Illinois Lemon Law: New & Used Car Rights Explained

Dealing with a defective car can be very frustrating, and it becomes even worse when it is a used car. The reason for this is that the Illinois Lemon Law does not extend its coverage to used vehicles.

The law mainly protects new car buyers during the statutory warranty period, which means people who purchase used cars cannot file a Lemon Law case against the manufacturers.

However, other legal options like the federal Magnuson-Moss Warranty Act, the implied warranty of merchantability, and the Illinois Consumer Fraud Act allow used car buyers to pursue justice if the car becomes defective.

At Easy Lemon, we’re here to help you understand your rights when you’re dealing with a defective vehicle. We’re proud of our 97%* resolution rate, and our experienced Lemon Law attorneys are committed to holding manufacturers and dealers accountable and getting you the fair outcome you deserve. Contact us for a free case evaluation.

In this article, we’ll cover the requirements you need to meet to file a claim under the Illinois Lemon Law, the legal protections you have as a used car buyer, and what to do if you end up with a defective used car in Illinois.

What Vehicles Are Covered Under the Illinois Lemon Law?

Generally, the Illinois Lemon Law only applies to new vehicles, whether purchased or leased. It covers only passenger cars, light trucks, and vans under 8,000 pounds, along with recreational vehicles and certain trailers.

A vehicle is considered a lemon in Illinois if a substantial defect arises within the first 12 months or 12,000 miles, whichever comes first.

The defect must impair the vehicle’s use, value, or safety substantially.
Also, the motor vehicle must have undergone at least four attempts at repairs or have been out of service for a cumulative total of 30 or more business days. this protection does not extend to used cars, motorcycles, or boats. 

Does Illinois Lemon Law Cover Used Cars?

The Illinois Lemon Law does not cover used cars. The Illinois Lemon Law, also known as the Illinois New Vehicle Buyer Protection Act, was designed to protect consumers of newly purchased or leased vehicles with defects that substantially impair their use, market value, or safety.

As such, the law does not provide coverage for used vehicles even if they meet other eligibility requirements. As long as it has been resold by the original purchaser, the vehicle is no longer eligible for any Lemon Law claim under the Illinois law.

However, some used car buyers might still have rights under federal law, including the Magnuson-Moss Warranty Act.

This federal act applies to both new and used vehicles sold with a written warranty. If a vehicle manufacturer fails to honor the warranty after a reasonable number of attempts to repair the defect, the vehicle buyer can seek justice under the federal Lemon Law.

However, Illinois used car buyers should always check for implied warranties, applicable express warranties, and dealer guarantees to protect themselves. Illinois also goes further than most states here.

Under 815 ILCS 505/2L a licensed dealer cannot disclaim the implied warranty of merchantability on most used cars for the first 15 days or 500 miles, whichever comes first, and an “as is” designation does not override that window.

Legal Protections Available for Used Car Buyers in Illinois

Although Illinois does not extend its Lemon Law to used cars, that doesn’t leave used car buyers without help. There are several state and federal protections that apply when a used vehicle turns out to be defective.

Implied Warranty of Merchantability Explained

Most cars sold by dealers in Illinois carry an implied warranty of merchantability, even if it is not written in the sales contract.

This means the car must be safe to drive and suitable for normal use, such as reliable transportation. If a serious defect makes the car unsafe or unusable, the dealer can be held responsible. 

However, this vehicle warranty has a limited duration. It only covers a “reasonable” number of months or miles after the vehicle purchase, depending on the type of sale and the car’s condition. Dealers may sell a vehicle “as-is,” but they must clearly disclose this in writing.

The 15-Day / 500-Mile Powertrain Warranty a Dealer Cannot Waive

This is the protection most Illinois buyers never hear about, and it is the one that catches dealers off guard.

Under 815 ILCS 505/2L, a licensed Illinois dealer selling a used car at retail cannot exclude, modify, or disclaim the implied warranty of merchantability for the first 15 calendar days or 500 miles after delivery, whichever comes first.

An “as is” box on the Buyers Guide does not override it. An attempt to disclaim it anyway makes the purchase agreement voidable at your option.

What the warranty actually promises is narrow but useful: that the car works for ordinary transportation on public highways and is substantially free of a defect in a power train component.

Section 2L(d) spells out the parts covered, and the list is not vague — engine block, head, all internal engine parts, oil pan and gaskets, water pump, intake manifold, the transmission and all internal transmission parts, torque converter, drive shaft, universal joints, the rear axle and its internal parts, and rear wheel bearings. A failing infotainment screen is not on that list. A transmission that will not shift is.

The clock is more generous than it first looks. Days when the car is broken do not count against the 15, and miles you put on driving to and from the repair shop do not count against the 500.

When Section 2L does not apply

• The car had more than 150,000 miles on it at the time of sale
• The title is branded “rebuilt” or “flood”
• The vehicle’s gross vehicle weight rating is 8,000 pounds or more
• It is an antique or collector vehicle under the Illinois Vehicle Code
• The dealer gave you its own express warranty with coverage equal to or better than Section 2L

What it costs you, and what you have to do

You pay half the cost of the first two repairs, capped at $100 each. If you bring the car back a second time for the same defect, your total exposure is $100. After that the dealer covers it.

The deadline is short and it is where most of these claims die. You have to give the seller notice no later than two business days after the 15-day or 500-mile period ends. A text message counts if the dealer gave you a cell number.

So does a phone call to the number on your bill of sale, a letter to the address on that bill of sale, or walking in. Then the dealer gets a reasonable chance to fix the car before you move on to any other remedy under Article 2 of the UCC.

The dealer’s ceiling under this section is a refund of what you paid, in exchange for the car back. It is not an open-ended repair obligation.

One more lever worth checking before you do anything else. Section 2L(h) requires your purchase agreement to carry a specific boldface statement, in 10-point type or larger, telling you the car will be free of a power train defect for 15 days or 500 miles and that you may owe up to $100 for each of the first two repairs.

If that statement is missing from your paperwork, the agreement is voidable at your option. Pull out your contract and look.

Express Warranties on Used Cars

Along with implied protections, buyers may also receive the manufacturer’s express warranties. These can come directly from the manufacturer, in the case of certified pre-owned motor vehicles, or from the dealer if extra coverage is offered at the time of sale. 

Manufacturer-certified warranties often extend the original manufacturer’s warranty and may cover major components such as the engine, transmission, and electrical systems.

Dealer-provided warranties may range from short-term limited coverage to extended service contracts. These warranties are enforceable and must be honored if the vehicle has problems during the stated warranty period.

Illinois Consumer Fraud Act

The Illinois Consumer Fraud and Deceptive Business Practices Act protects buyers from misrepresentation or fraudulent practices by sellers. If a dealer lies about the condition of a used car, hides a known defect, or falsifies the vehicle’s history, the buyer may have legal grounds to file a claim. 

Examples include dealers rolling back odometers, failing to disclose that a car was previously in a major accident, or advertising features that the car does not actually have.

Under this law, vehicle buyers can pursue compensation and, in some cases, recover attorney’s fees. This is especially important for buyers of used cars who rely on comparable motor vehicle pricing and purchase agreements.

How Magnuson-Moss Gets Around an “As Is” Sticker

Most Illinois used-car buyers who are told “you bought it as is” stop there. Often they should not, because of one paragraph of federal law.

15 U.S.C. §2308(a) says a supplier may not disclaim or modify any implied warranty if either of two things is true. One, the supplier gives you any written warranty on the product.

Two, at the time of sale or within 90 days afterward, the supplier signs you up for a service contract. And §2308(c) makes the point stick: a disclaimer that violates the section is ineffective, both for purposes of the federal Act and under state law.

Read that against how a typical Illinois used-car sale runs. The salesperson checks “as is” on the Buyers Guide. Then the finance office sells you a 36-month extended service contract before you leave.

That service contract is what §2308(a)(2) is describing, and the “as is” disclaimer no longer does what the dealer thinks it does. Dig out your folder and check what you actually signed, including anything added in the 90 days after delivery.

Section 2308(b) is the fallback the other side will reach for. A written warranty of reasonable duration can limit how long implied warranties last, but only if the limit is conscionable, written in clear and unmistakable language, and displayed prominently on the face of the warranty. Limiting duration is not the same as erasing the warranty.

The $50,000 Myth

A claim we hear repeated on forums: you need $50,000 at stake to bring a Magnuson-Moss case. That is a misreading. The $50,000 floor in 15 U.S.C. §2310(d)(3)(B) applies only to suits filed in federal district court under §2310(d)(1)(B).

Section 2310(d)(1)(A) lets you sue in any court of competent jurisdiction in any state, and Illinois state court carries no such threshold. The only floor that applies broadly is §2310(d)(3)(A)’s $25 minimum on an individual claim.

One prerequisite is real, though. Under §2310(a)(3), if the written warranty names an informal dispute settlement procedure that meets the FTC’s requirements, you have to go through it before you file. Check the warranty booklet for it.

How to Handle a Defective Used Car in Illinois

Owning a defective used car can be a frustrating experience, especially since the state’s Lemon Law doesn’t cover used vehicles. Here are some options available to you if you find yourself stuck with a Lemon.

Dealer Repair Programs and Voluntary Warranties

Some car dealers offer limited warranties or voluntary repair programs for used cars with the aim of attracting buyers. For example, a dealer might promise to repair serious problems with the engine or transmission within the first 90 days. 

It is important, however, to document any promise given and not rely on verbal assurances. Also, read all warranties carefully before signing. This warranty often excludes routine wear-and-tear parts, smaller repairs, or damages linked to improper maintenance.

If you rely on the program without confirming its details, you might discover too late that the promised coverage does not apply to your situation.

Independent Repair Options

If such dealership programs are not available, you can turn to an independent mechanic or repair shop. The benefit of this option is that you can choose a mechanic you trust, and repairs may be completed more quickly than waiting for a dealer’s schedule. 

The downside is that you will usually have to cover the costs out of pocket, and there is no guarantee you can recover the money from the seller. Still, this option may be the most practical if the defect makes the car unsafe to drive and you need to fix it quickly.

What an Illinois Used-Car Claim Is Actually Worth

“You have a claim” and “here is the number” are different conversations. Illinois used-car cases usually resolve one of three ways, and each has its own math.

Keep the Car, Recover the Difference

This is the default warranty remedy. Section 2-714(2) of the Illinois UCC (810 ILCS 5/2-714) measures your damages as the difference, at the time and place you accepted the car, between what it was worth as delivered and what it would have been worth if it had been as warranted.

Run it with numbers. Say you paid $24,000 for a three-year-old SUV from a dealer. Two months in, the transmission starts slipping, and a rebuild is quoted at $6,300. You get the car appraised with the defect disclosed and it comes back at $15,500.

The gap the statute measures is $8,500, not the $6,300 repair quote. The quote is evidence of the gap, not the ceiling on it.

On top of that, 810 ILCS 5/2-715 lets you add incidental and consequential damages in a proper case: towing, storage, a rental while the car sat, the cost of an independent diagnostic.

Give the Car Back and Unwind the Deal

Revocation of acceptance under 810 ILCS 5/2-608 is the closest thing a used-car buyer has to a lemon law buyback. You revoke, the seller takes the car, and you stop paying for something you cannot drive.

Three conditions have to line up. The defect has to substantially impair the car’s value to you. You must have accepted it either on a reasonable assumption the problem would get fixed, and it did not get fixed in time, or without spotting the problem at all, because it was hard to spot or because the seller talked you past it.

And you have to act within a reasonable time after you discovered the problem or should have, and before the car’s condition changes substantially for reasons other than the defect itself.

Revocation is not effective until you tell the seller. Driving the car for another nine months while you think about it is how this remedy gets lost.

Cash and Keep

No Illinois statute creates this one. It is a negotiated outcome: the manufacturer or dealer pays you a sum, you keep the car and the clean title, and the claim closes.

Buyers pick it when the defect is livable, when the car is otherwise worth keeping, or when the branded-title hit from a repurchase would cost more than the defect does.

What the number looks like depends on the vehicle, the defect, the repair history, and what the other side thinks a jury would do. Which is why nobody can quote you an average with a straight face.

Who Pays the Attorney

Both of the main Illinois routes shift fees. Under 815 ILCS 505/10a(c) the court may award reasonable attorney’s fees and costs to the prevailing party in a Consumer Fraud Act case.

Under 15 U.S.C. §2310(d)(2), a consumer who finally prevails on a Magnuson-Moss claim may recover fees based on actual time expended, on top of the judgment. That is the mechanism behind a contingency arrangement in warranty work — the fee award comes from the other side, not out of your recovery.

Two honest caveats about the Consumer Fraud Act, because they change how these cases get built. First, when the defendant is a licensed new or used vehicle dealer, 815 ILCS 505/10a(a) requires proof of public injury to state a cause of action at all, shown through violation of a statute with public-interest impact, repeated conduct before yours, or a real potential for repetition.

A one-off bad sale with no pattern behind it is a harder ICFA case than buyers expect. Second, punitive damages against a vehicle dealer require willful or intentional conduct done with evil motive or reckless indifference to others’ rights. Both are reasons the warranty theories usually carry the claim and the fraud count rides alongside.

One trap to know about. If your car is new rather than used and you go the state lemon law route, 815 ILCS 380/5 bars a separate cause of action under the Uniform Commercial Code once you elect to proceed and settle under that Act. Pick the theory before you sign anything.

Illinois Deadlines That End a Used-Car Claim

Different theories run on different clocks, and they do not wait for each other. The short one below is the one people miss.

Claim	Deadline	Clock starts
Powertrain warranty notice to the dealer 815 ILCS 505/2L(f)	2 business days	End of the 15-day / 500-mile period
Revocation of acceptance 810 ILCS 5/2-608(2)	A “reasonable time,” and before the car’s condition substantially changes	When you discovered the defect, or should have
Consumer Fraud Act 815 ILCS 505/10a(e)	3 years	When the cause of action accrued
Breach of express or implied warranty 810 ILCS 5/2-725	4 years	Tender of delivery, or discovery if the warranty explicitly extends to future performance
Magnuson-Moss 15 U.S.C. §2301 et seq.; 810 ILCS 5/2-725	Follows the state UCC period, so 4 years in Illinois	Tender of delivery
New Vehicle Buyer Protection Act (new cars only) 815 ILCS 380/6	18 months	Original delivery of the vehicle

Note what 810 ILCS 5/2-725(2) does to the four-year window. The clock runs from tender of delivery, not from the day the car broke. A defect that surfaces in year three leaves you about a year, not four.

The exception is a warranty that explicitly extends to future performance, where the clock starts when the breach is or should have been discovered.

Parties can shorten the UCC period by agreement to as little as one year. They cannot extend it. If your contract has a limitations clause buried in it, that clause may be the real deadline.

How to Avoid a Lemon When Buying a Used Car

When buying a used car in Illinois, there are certain due diligence steps you should take to avoid getting stuck with a Lemon. Since the Illinois Lemon Law does not usually cover used cars, it is up to the buyer to take precautions.

One of the first steps is to critically assess the vehicle’s history. Reports from services like Carfax or AutoCheck can reveal past accidents or issues that could easily signal a red flag.

Another important step is to have a trusted mechanic properly examine the car for issues before purchase. An experienced mechanic can spot hidden problems that could cost you thousands to repair later on.

Warranty coverage is another area that used car buyers need to pay attention to. Some used cars may still have protection from the manufacturer’s original warranty, while others might come with a limited dealer warranty. 

It is important to verify warranty coverage and reasonable use allowances, and to ensure that any verbal assurances are documented in writing.

Buyers should also compare the vehicle with a comparable motor vehicle and check the lease cost or purchase price for fairness. Note that if the car is sold as-is, you are solely responsible for any issues that may come up in the future.

Finally, scrutinize the dealer’s advertising and the sale contract for the vehicle. When reviewing the contract, look out for hidden fees or clauses that may limit your rights.

And if you’re put under pressure by the dealer to quickly sign off on a contract, it could mean that something is up. Taking these steps helps safeguard you from falling victim to defective used vehicles.

Illinois Cases We Have Resolved

Four Illinois files, four different shapes of outcome. Each links to the full case write-up.

• Porsche Macan: $144,550. Suspension, drivetrain, electrical, and HVAC defects. Resolved under 815 ILCS 380.
• Chevrolet Traverse: $49,926. Electrical and drivetrain defects. Manufacturer repurchase.
• 2025 Kia Telluride: $36,339.97. Buyback under the Illinois New Vehicle Buyer Protection Act together with a Magnuson-Moss claim against Kia America.
• 2023 Alfa Romeo Stelvio: $17,000. Cash-and-keep settlement. The client kept the car.

Results may vary. Prior outcomes do not guarantee a similar result. Each case is unique and depends on its specific facts and applicable law. Attorney advertising. Easy Lemon® by RockPoint Law P.C.

More of them are on our recent settlements page.

Where an Illinois Used-Car Buyer Stands

The absence of protection for used car buyers under Illinois’ Lemon Law can make the buying process challenging for many.

However, other state and federal laws, such as the Magnuson-Moss Warranty Act and the Illinois Consumer Fraud Act, make it possible for victims of defective used vehicles to seek legal recourse, especially when deceived into purchasing the vehicle.

The challenge is that the process of filing a lemon law claim is not always straightforward. A lawyer who does this work every day can take the process off your hands.

Easy Lemon has spent over 25 years helping drivers with defective vehicles pursue refunds, replacements, and cash settlements.

During this period, our seasoned Lemon Law attorneys have helped clients nationwide secure more than $30 million^** in refunds, cash settlements, and replacement vehicles. If you believe your car is a lemon, contact us now for a free case evaluation.

FAQ

These are frequently asked questions about the Illinois used car Lemon Law:

Does the Lemon Law in Illinois Cover Used Cars?

No, Illinois does not offer Lemon Law coverage to owners of used vehicles. The law only applies to new vehicles. Used car purchases may still be protected under state and federal laws, such as the Magnuson-Moss Warranty Act and the Illinois Consumer Fraud Law.

Can You Return a Used Car If It Has Problems in Illinois?

There are no automatic rights to return a used car once it has been purchased. Your options depend on any warranties or agreements made at the time of purchase.

What Is the Mileage Limit for Lemon Laws in Illinois?

The law applies within the first 12 months or 12,000 miles, whichever occurs first. Used vehicles do not have a mileage limit since they are not covered under the Illinois Lemon Law.

How Long Do You Have to Return a Vehicle After Purchase in Illinois?

Illinois Law does not specify a number of days within which car buyers can return a vehicle. Once the contract is signed and finalized, the purchase is binding unless the dealer agreed otherwise in writing.

A used car is not eligible for a buyback under the Illinois New Vehicle Buyer Protection Act, which covers new vehicles only.

What a used-car buyer can pursue is revocation of acceptance under 810 ILCS 5/2-608, which unwinds the sale where the defect substantially impairs the car’s value to you and you act within a reasonable time of discovering it.

What Are My Rights as a Consumer When Buying a Used Car in Illinois?

Used car buyers are protected by laws that prohibit fraud and deception. The Illinois Fraud and Deceptive Practices Act requires that dealers be truthful about the condition of a vehicle when selling. If a dealer does otherwise, you are entitled to seek remedies under applicable laws.

Are There Any Recognized Organizations or Resources Related to Lemon Law in Illinois?

The Illinois Attorney General’s Office provides consumer protection resources, and the Better Business Bureau Auto Line program may assist with warranty disputes. You can also visit the Illinois Lemon Law website for more information.

How Can I Determine If My Used Car Qualifies as a Lemon Under Illinois Law?

Since the Illinois Lemon Law does not apply to used cars, a used vehicle cannot qualify as a Lemon. However, if the car came with a warranty that the manufacturer refuses to honor, you may have a valid claim under the federal Lemon Law.