What are the most common problems with the 2018 Chevrolet Impala?

Approach with caution: Brake system issues are a well-known chronic problem that makes this a high-risk used purchase.

How many recalls does the 2018 Chevrolet Impala have?

The 2018 Chevrolet Impala currently has 1 recall on file. Review the full recall report to see affected components and available remedies.

Is the 2018 Chevrolet Impala a good buy used?

Verdict: Proceed with caution. Approach with caution: Brake system issues are a well-known chronic problem that makes this a high-risk used purchase. Significant electrical system and powertrain complaints indicate potential for costly repairs. A 5-star overall NHTSA safety rating provides a baseline of protection. Fuel economy is competitive for its class, averaging 22 MPG combined. Numerous TSBs suggest potential quality control concerns that require thorough pre-purchase inspection. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2018 Chevrolet Impala?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2018 Chevrolet Impala.

2018 Chevrolet Impala Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026Ethan Miller1 Critical Recall

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Approach with caution: Brake system issues are a well-known chronic problem that makes this a high-risk used purchase.
Significant electrical system and powertrain complaints indicate potential for costly repairs.
A 5-star overall NHTSA safety rating provides a baseline of protection.
Fuel economy is competitive for its class, averaging 22 MPG combined.

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Overview

2018 Chevrolet Impala

The 2018 Chevrolet Impala offers a spacious interior and comfortable ride, but used car shoppers should be aware of its reliability record. While it achieved a 5-star overall safety rating from NHTSA, the vehicle has a significant number of complaints, particularly concerning its electrical system, powertrain, and brakes. A single recall addresses rear brake caliper pistons. Its 3.6L V6 engine provides adequate power, and it returns a respectable 22 MPG combined. However, the numerous Technical Service Bulletins (TSBs) suggest potential quality control issues that warrant careful inspection.

Critical Failure Risk

Frequent electrical issues are reported, leading to power loss, starting problems, and malfunctioning accessories. This can stem from battery issues, faulty wiring, or control module failures.

Early detection can help you avoid a $300-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls1

Service Bulletins0

Full Recall History →

Owner Complaints

Electrical System11

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing interior space and a comfortable ride over long-term reliability.

+2 more buyer-fit notes in the full report

Avoid if

Buyers seeking a trouble-free ownership experience.

+2 more buyer-fit warnings in the full report

2018 Chevrolet Impala Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Gasoline or E85
Seating Capacity: 5
Transmission: Automatic
Drivetrain: FWD/Front-Wheel Drive
Body Style: Sedan
EPA Combined MPG: 22

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Most Common Issues

1. Electrical System

Most reported

Usage: 11 reports

2. Powertrain

Usage: 10 reports

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection

Est. shop cost: $80 - $150

7,500 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (5 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

1 recall campaign details & remedy notes

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FAQ

Is the 2018 Chevrolet Impala reliable?

The CarFocal Reliability Score for the 2018 Chevrolet Impala is 8.8/10. Reliability score is 8.8/10. NHTSA recalls: 1. Owner complaints: 85.

How practical is the 2018 Chevrolet Impala for daily use?

Practicality score is 5.7/10. The score is mainly limited by high fuel consumption. EPA combined economy is 22 MPG. Seating capacity is 5. 4 passenger doors are listed. Boot capacity is 532 litres.

What is the overall score for the 2018 Chevrolet Impala?

The CarFocal Overall Score for the 2018 Chevrolet Impala is 7.7/10. Overall score is 7.7/10 (Good). Confidence 85%. Maintenance 8.6/10. Practicality 5.7/10.

What does it cost to own and maintain a 2018 Chevrolet Impala?

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Electrical System (typical at 75,000 miles, estimated cost Min: $300 • Max: $1,500+).

What is the MSRP range for the 2018 Chevrolet Impala?

Base MSRP is $30,420.

What engine is in the 2018 Chevrolet Impala?

Engine specs list 6 • 3.6.

What transmission does the 2018 Chevrolet Impala use?

According to CarFocal's specs for the 2018 Chevrolet Impala, transmission is Automatic. The paired drivetrain is FWD/Front-Wheel Drive.

Does the 2018 Impala require Gasoline or E85 gas?

Manufacturer fuel recommendation: Gasoline or E85.

What is the combined EPA MPG for the 2018 Chevrolet Impala?

EPA combined estimate is 22 MPG.

What driver assistance and safety features are available on the 2018 Chevrolet Impala?

9 standard and 4 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2018 Chevrolet Impala?

According to CarFocal's specs for the 2018 Chevrolet Impala, seating capacity is 5.

What body style is the 2018 Chevrolet Impala?

According to CarFocal's specs for the 2018 Chevrolet Impala, body style is sedan.

What drivetrain does the 2018 Chevrolet Impala use?

According to CarFocal's specs for the 2018 Chevrolet Impala, drivetrain is FWD/Front-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2018 Chevrolet Impala?

NHTSA ratings: Overall 5/5 • Frontal 5/5 • Side 5/5 • Rollover 4/5.

What are the most common electrical system problems on the 2018 Chevrolet Impala?

Top complaint category: electrical system (11 reports, 12.9% of complaints).

Are there open safety recalls on the 2018 Chevrolet Impala?

This model year has 1 official safety campaigns listed.

Should buyers consider alternatives to the 2018 Chevrolet Impala?

Alternatives listed in this guide: 2018 Toyota Avalon and 2018 Honda Accord.