The Lemon IndexAll cars · Chevrolet Sonic · 2018
2018 Chevrolet Sonic. Advanced data.
The raw numbers: engines, recall campaign numbers, failure mileage and manufacturer communications.
Engines and drivetrains 4
| Engine | Transmission | Drive | City / hwy / combined | Fuel | Fuel cost/yr |
|---|---|---|---|---|---|
| 1.4L 4-cyl turbo | Manual 6-spd | FWD | 28 / 37 / 32 | Regular | $1,950 |
| 1.4L 4-cyl turbo | Auto (S6) | FWD | 27 / 35 / 30 | Regular | $2,100 |
| 1.8L 4-cyl | Manual 5-spd | FWD | 26 / 35 / 29 | Regular | $2,150 |
| 1.8L 4-cyl | Auto (S6) | FWD | 25 / 34 / 28 | Regular | $2,200 |
EPA test versions for this model year. Fuel cost is the EPA's current estimate, not the price in that year.
Failure mileage by system
Half of owners who gave a mileage reported the problem between 16,800 and 73,500 miles. Median 27,500, from 8 complaints with a mileage.
Mileage owners typed into their NHTSA complaint, all complaints for this model year. People report some problems late, so read it as a range.
Complaints by system
| System | Share of complaints |
|---|---|
| Electrical | 44% |
| Seats | 22% |
| Wheels | 22% |
| Engine | 22% |
| Lights | 11% |
One complaint can name more than one system, so shares can add to more than 100%.
Severity, all complaints
| Total | Crashes | Fires | Injuries | Deaths | Tows |
|---|---|---|---|---|---|
| 15 | 0 | 0 | 0 | 0 | 0 |
As reported by owners to NHTSA. Not verified.
Recall campaigns 1
18V342000 May 2018 Seats
Defect. 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.
Risk. In the event of a rear-impact crash, the seat-back may fail, increasing the risk of injury.
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.
Manufacturer communications 821
Chevy filed 821 service communications for this car with NHTSA.
Crash ratings by version
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Chevrolet Sonic 4 DR FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ |
| Chevrolet Sonic 5 DR FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ |
Safety equipment
| Electronic stability | Forward collision warning | Lane departure warning |
|---|---|---|
| Standard | Optional | Optional |
Nearby model years
Sources: NHTSA complaints, recalls, investigations and manufacturer communications; EPA fuel economy data; YouTube video titles. Complaints are owner reports, not proof of a defect.
Updated
Free to use with credit: Source: The Lemon Index (lemonindex.com)
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