The Lemon Index2018 Chevrolet Impala.
The 2018 Chevrolet Impala is better than average by owner complaints: 34 complaints in its first 3 years and a Lemon Index of 53, where 100 is the average car. Owners complain most about electrical, it has 1 recall, and it gets 22 to 25 mpg combined. The best Chevrolet Impala year is 2019.
Before you buy. What matters most for this car.
How serious. Out of 59 owner complaints, owners reported:
Every Chevrolet Impala year. 2018 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 17K to 62K miles on the car (31 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 1
- brakes 2018
The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Chevy told dealers about
Chevy sent dealers 882 repair notes for this car. The ones about its biggest problems:
- This engineering informational bulletin is requesting information from the filed on vehicles
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Safety
Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Chevrolet Impala 4 DR FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ |
Fuel cost and engines
About $2550–2900 a year in fuel (EPA estimate). Engines: 2.5L 4-cyl, 3.6L 6-cyl.
In owners' words
I went to the store and came out to leave. I attempted to start my car and the radio came on, lights in the car flashed a couple of times and then I tried again. Then it started making a clicking sound.
2018 Chevrolet Impala owner · NHTSA complaint 11258945
More owner reports
I was driving and lady came to a complete stop at rail road track and I couldn't stop I ran into the back of her
NHTSA complaint 11235345
Side detection device not working. Car was purchased in june at a reputable dealer. The dealership is not saying there is a problem, but the sensor is corroded. There are a number of other cases with the same problem.
NHTSA complaint 11258545
Quick answers
Is the 2018 Chevrolet Impala reliable?
Yes, better than average by government complaints. It drew 1.9× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 53; 100 is average, lower is better). The best Chevrolet Impala year by this measure is 2019.
What are the most common 2018 Chevrolet Impala problems?
In owner complaints to the government, the parts named most are electrical (21%), brakes (18%) and engine (12%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2018 Chevrolet Impala have?
1 safety recall (latest: brakes). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2018 Chevrolet Impala get?
22 to 25 mpg combined, depending on the engine (EPA estimate).
Is the 2018 Chevrolet Impala safe?
NHTSA gave it 5 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.
At what mileage do 2018 Chevrolet Impala problems start?
Half of the owners who gave a mileage reported the problem between 17,000 and 62,100 miles. The middle report was at 40,400 miles, from 31 complaints.
Does the 2018 Chevrolet Impala have transmission problems?
Transmission and drivetrain issues aren't among its top 5 complaint areas.
How much does the 2018 Chevrolet Impala cost in fuel a year?
About $2550 to $2900 a year, by the EPA's current estimate.
What engines does the 2018 Chevrolet Impala have?
2.5L 4-cyl, 3.6L 6-cyl.
What Chevrolet Impala year is better than the 2018?
By owner complaints per car sold, the best recent years are 2019, 2010 and 2016.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works