2018 Chevrolet Sonic Specifications Overview
The 2018 Chevrolet Sonic is certified across 8 configurations with 1.4L 4-Cylinder Engine, 1.8L 4-Cylinder Engine powertrain options. Available drivetrain layouts include Front-Wheel Drive paired with Manual 6-spd or Automatic (S6) or Manual 5-spd. EPA classified under the Compact Cars / Small Station Wagons size category.
Certified Powertrain & Transmission Configurations (8)
Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation
| Configuration / Model | Engine & Displacement | Cylinders | Induction / Tech | Transmission | Drivetrain | Fuel System |
|---|---|---|---|---|---|---|
| Sonic Compact Cars | 1.4L 4-Cylinder Engine | 4 | Naturally Aspirated | Manual 6-spd | Front-Wheel Drive | Regular |
| Sonic 5 Small Station Wagons | 1.4L 4-Cylinder Engine | 4 | Naturally Aspirated | Manual 6-spd | Front-Wheel Drive | Regular |
| Sonic Compact Cars | 1.4L 4-Cylinder Engine | 4 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Regular |
| Sonic 5 Small Station Wagons | 1.4L 4-Cylinder Engine | 4 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Regular |
| Sonic Compact Cars | 1.8L 4-Cylinder Engine | 4 | Naturally Aspirated | Manual 5-spd | Front-Wheel Drive | Regular |
| Sonic 5 Small Station Wagons | 1.8L 4-Cylinder Engine | 4 | Naturally Aspirated | Manual 5-spd | Front-Wheel Drive | Regular |
| Sonic Compact Cars | 1.8L 4-Cylinder Engine | 4 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Regular |
| Sonic 5 Small Station Wagons | 1.8L 4-Cylinder Engine | 4 | Naturally Aspirated | Automatic (S6) | Front-Wheel Drive | Regular |
Regulatory Classification & Safety Architecture
Federal classification standards and standard active driver assistance system capabilities
EPA Regulatory Size Class
- Compact Cars
- Small Station Wagons
NHTSA NCAP Body Formats
- 2018 Chevrolet Sonic 4 DR FWD
- 2018 Chevrolet Sonic 5 DR FWD
Active Safety Technology
Evaluated under federal safety compliance standards.
Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.