2018 Chevrolet Impala: recalls, fuel economy and safety ratings
EPA rates the 2018 Chevrolet Impala at 22–25 mpg combined across 3 versions. NHTSA lists 1 safety recall and 59 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
1
EPA combined mpg
22–25
NHTSA overall rating
5/5
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Chevrolet dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2018 Chevrolet Impala recalls
NHTSA's recall file lists 1 safety recall for the 2018 Chevrolet Impala, newest first.
Service brakes, hydraulic: Foundation components: Disc: Caliper
NHTSA 18V576000Reported Aug 30, 2018
Filed by
General Motors, LLC (manufacturer recall no. 18279)
Units affected
210,628 (estimate)
Problem
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Risk
A reduction of braking performance can increase the risk of a crash.
Remedy
GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2018 Chevrolet Impala fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2018 Chevrolet Impala crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2018 Chevrolet Impala NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2018 Chevrolet Impala 4 DR FWD
5 stars
5 stars
5 stars
4 stars
12.1%
Optional
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2018 Chevrolet Impala owner complaints
Owners have filed 59 complaints with NHTSA about the 2018 Chevrolet Impala, most recently on Jun 26, 2026. 6 mention a crash, 0 a fire, 2 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2018 Chevrolet Impala complaints
Component named in complaints
Mentions
Unknown or other
16
Electrical system
11
Power train
11
Engine
7
Service brakes
7
Steering
7
Air bags
6
Exterior lighting
3
Seats
3
Fuel/propulsion system
2
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
