2018 Chevrolet Impala: Recalls, Problems & MPG
Here are the deets on the 2018 Chevrolet Impala: 1 recall, 59 owner complaints and up to 25 mpg combined.

Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Brakes (hydraulic) Vehicle recall #18V576000 · 2018 · 210,628 vehicles
What's wrong: The rear brake caliper pistons May have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Why it matters: A reduction of braking performance can increase the risk of a crash.
The fix: Gm will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 2 injuries and 0 deaths were reported.
What owners describe
- Other / unknown (16): the most common themes are leaks (6), stalls / loses power (2).
- Electrical (11): the most common themes are electrical failure (4), warning light on (3).
- Transmission & drivetrain (11): the most common themes are hard / delayed shifting (8), warning light on (5).
- Engine (7): the most common themes are warning light on (4), stalls / loses power (3).
The 2018 Chevrolet Impala has 59 owner complaints, ranking #20 of 28 Impala model years for complaints (well below the 372 average). Complaints peaked in 2020 (12 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 40,400 miles. Neighboring years: 2017 (116 complaints, 0 recalls), 2019 (28 complaints, 1 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.5 L 4-cyl | Automatic (S6) | Front-Wheel Drive | 22 | 30 | 25 | Regular |
| 3.6 L 6-cyl | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 22 | Gasoline or E85 |
| 3.6 L 6-cyl | Automatic (S6) | Front-Wheel Drive | 19 | 28 | 22 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Chevrolet Impala.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2018 Chevrolet Impala have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2018 Chevrolet Impala. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Chevrolet Impala problems?
Owners have filed 59 complaints with NHTSA. The most-reported areas are other / unknown (16), electrical (11), transmission & drivetrain (11).
What gas mileage does the 2018 Chevrolet Impala get?
EPA ratings run up to 25 mpg combined (2.5 L, Automatic (S6)), across 3 engine and transmission combos.
Where can I get a 2018 Chevrolet Impala repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.