2018 Chevrolet Sonic Premier Sedan (Automatic)
All photo credits
- Photo: 2017 Chevrolet Sonic LT sedan front 4.28.18 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2019 Chevrolet Sonic RS in "Shock", front left by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
- Photo: 2019 Chevrolet Sonic RS by Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons
- Photo: 2017 Chevrolet Sonic LT sedan rear 4.28.18 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2012 Chevrolet Sonic interior (5871855888) by InSapphoWeTrust from Los Angeles, California, USA, CC BY-SA 2.0, via Wikimedia Commons
The 2018 Chevrolet Sonic Premier Sedan (Automatic) is a 138-hp 1.4-liter turbocharged inline-4 sedan with a 6-speed shiftable automatic and front-wheel drive. It starts at $20,520 MSRP and is rated at 30 mpg combined.
It makes 138 horsepower at 4,900 rpm and 148 lb-ft of torque at 1850 rpm, spinning to a 6,500 rpm redline. EPA fuel-economy estimates are 27 mpg city and 35 mpg highway (30 mpg combined).
The Sonic measures 173.9 inches long on a 99.4-inch wheelbase and has a curb weight of 2,911 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Gas |
| Price | |
| MSRP | $20,520 |
| MSRP with Destination | $21,395 |
| Destination Charge | $875 |
| Engine | |
| Engine Type | Ecotec 1.4L Turbo I4 |
| Displacement | 1.4 L |
| Horsepower | 138 hp @ 4,900 rpm |
| Torque | 148 lb-ft @ 1850 rpm |
| Redline | 6,500 rpm |
| Valvetrain | DOHC, 16 valves, VVT |
| Bore and Stroke | 2.85 x 3.25 in (72.4 x 82.6 mm) |
| Compression Ratio | 9.5:1 |
| Injection Type | Sequential multi-port fuel injection |
| Drivetrain | |
| Drive Type | FWD |
| Transmission | |
| Transmission | 6-speed shiftable automatic |
| Fuel Economy | |
| City | 27 MPG |
| Highway | 35 MPG |
| Combined | 30 MPG |
| Recommended Fuel | Regular unleaded (87 octane) |
| Tank Capacity | 12.2 gal |
| Suspension | |
| Front Suspension | Independent, lower control arms, coil springs, gas shocks |
| Rear Suspension | Semi-independent torsion beam, coil springs, gas shocks |
| Tires & Wheels | |
| Wheels Front | 17" x 8.0" |
| Wheels Rear | 17" x 8.0" |
| Tires Front | P205/50R17 |
| Tires Rear | P205/50R17 |
| Dimensions & Weight | |
| Length | 173.9 in |
| Width | 68.3 in |
| Height | 59.7 in |
| Wheelbase | 99.4 in |
| Front Track | 59.4 in |
| Rear Track | 59.4 in |
| Cargo Volume | 14.9 ft³ |
| Curb Weight | 2,911 lbs |
| Interior | |
| Headroom Front | 38.7 in |
| Headroom Rear | 37.8 in |
| Legroom Front | 41.8 in |
| Legroom Rear | 34.6 in |
| Shoulder Room Front | 53.4 in |
| Shoulder Room Rear | 53 in |
| Hip Room Front | 51.4 in |
| Hip Room Rear | 51.6 in |
Similar cars
Rivals to the 2018 Chevrolet Sonic Premier Sedan (Automatic) with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
| Overall | ★★★★★ |
| Frontal crash | ★★★★★ |
| Side crash | ★★★★★ |
| Rollover | ★★★★★ (12.6 % risk) |
Other tested variants (1)
- 2018 Chevrolet Sonic 5 DR FWD: 5 ★ overall
Recalls
1 recall on file with NHTSA for the 2018 Chevrolet SONIC. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
May 27, 2018 · 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.
Consequence: 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.
NHTSA campaign 18V342000
15 owner complaints to NHTSA for the 2018 Chevrolet SONIC
Owner Complaints
15 owner complaints filed with NHTSA for the 2018 Chevrolet SONIC. See all on nhtsa.gov
| Electrical System | 6 |
| Engine | 4 |
| Seats | 2 |
| Unknown Or Other | 2 |
| Wheels | 2 |
| Air Bags | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2018 CHEVROLET SONIC. US-market vehicles only; data cached for up to 7 days.