MotorDeets

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.

1vehicle recalls
59owner complaints
6mention a crash
25best combined mpg
2018 Chevrolet Impala
Photo: Kevauto · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

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.

Other / unknown16
Electrical11
Transmission & drivetrain11
Engine7
Brakes7
Steering7
Airbags6
Exterior lights4

What owners describe

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)

EngineTransmissionDriveCityHwyComb.Fuel
2.5 L 4-cylAutomatic (S6)Front-Wheel Drive223025Regular
3.6 L 6-cylAutomatic (S6)Front-Wheel Drive182822Gasoline or E85
3.6 L 6-cylAutomatic (S6)Front-Wheel Drive192822Regular

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.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2018 Chevrolet Impala manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check 2018 Chevrolet Impala manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check 2018 Chevrolet Impala manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2018 Chevrolet Impala manual

Heads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure

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.

Other Impala years

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