2018 Chevrolet Sonic
US · Compact Cars
The 2018 Chevrolet Sonic is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder
- Transmission
- Varies by configuration: Automatic, Manual
- Drivetrain
- FWD
- Fuel
- Gasoline
- Economy
- 28 mpg (8.4 L/100 km) to 32 mpg (7.4 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder | |
| Displacement | 1.4 L to 1.8 L | |
| Cylinders | 4 | |
| Aspiration | Turbocharged | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Manual | |
| Gears | 5 to 6 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 28 mpg (8.4 L/100 km) to 32 mpg (7.4 L/100 km) | EPA fueleconomy.gov |
| City | 25 mpg (9.4 L/100 km) to 28 mpg (8.4 L/100 km) | |
| Highway | 34 mpg (6.9 L/100 km) to 37 mpg (6.4 L/100 km) |
Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
8 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.
18V342000: SEATS
General Motors LLC (GM) is recalling certain 2018 Chevrolet Sonic vehicles. A joint in the driver's seat-back frame may not be properly welded, reducing the strength of the seat-back frame.
Remedy: GM will notify owners, and dealers will replace the driver's seat-back, free of charge. The recall began June 28, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18178.
Reported May 27, 2018. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: November 5, 2026
Data verified: November 5, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2017 Chevrolet Sonic
Gasoline
Varies by configuration: 1.8L 4-cylinder, 1.4L 4-cylinder turbocharged · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km) - 2019 Chevrolet Sonic
Gasoline
1.4L 4-cylinder turbocharged · FWD
31 mpg (7.6 L/100 km) to 29 mpg (8.1 L/100 km)
Frequently asked questions
What engine does the 2018 Chevrolet Sonic have?
Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2018 Chevrolet Sonic?
Combined fuel economy is 28 mpg (8.4 L/100 km) to 32 mpg (7.4 L/100 km), as published by the source shown in the specification table.
Is the 2018 Chevrolet Sonic front-wheel, rear-wheel or all-wheel drive?
Drivetrain: FWD.
Are there recalls for the 2018 Chevrolet Sonic?
NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.