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2020 Chevrolet Sonic LS Sedan

The 2020 Chevrolet Sonic LS Sedan is a 138-hp 1.4-liter turbocharged inline-4 sedan with a 6-speed shiftable automatic and front-wheel drive. It starts at $16,720 MSRP and is rated at 29 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 26 mpg city and 34 mpg highway (29 mpg combined).

The Sonic measures 173.9 inches long on a 99.4-inch wheelbase and has a curb weight of 2,857 lb.

Spec Value
Vehicle
Body TypeSedan
PowertrainGas
Price
MSRP$16,720
MSRP with Destination$17,595
Destination Charge$875
Engine
Engine TypeEcotec 1.4L Turbo I4
Displacement1.4 L
Horsepower138 hp @ 4,900 rpm
Torque148 lb-ft @ 1850 rpm
Redline6,500 rpm
ValvetrainDOHC, 16 valves, VVT
Bore and Stroke2.85 x 3.25 in (72.4 x 82.6 mm)
Compression Ratio9.5:1
Injection TypeSequential multi-port fuel injection
Drivetrain
Drive TypeFWD
Transmission
Transmission6-speed shiftable automatic
Fuel Economy
City26 MPG
Highway34 MPG
Combined29 MPG
Recommended FuelRegular unleaded (87 octane)
Tank Capacity12.2 gal
Suspension
Front SuspensionIndependent, lower control arms, coil springs, gas shocks
Rear SuspensionSemi-independent torsion beam, coil springs, gas shocks
Tires & Wheels
Wheels Front15" x 7.5"
Wheels Rear15" x 7.5"
Tires FrontP195/65R15
Tires RearP195/65R15
Dimensions & Weight
Length173.9 in
Width68.3 in
Height59.7 in
Wheelbase99.4 in
Front Track59.4 in
Rear Track59.4 in
Cargo Volume14.9 ft³
Curb Weight2,857 lbs
Interior
Headroom Front38.7 in
Headroom Rear37.8 in
Legroom Front41.8 in
Legroom Rear34.6 in
Shoulder Room Front53.4 in
Shoulder Room Rear53 in
Hip Room Front51.4 in
Hip Room Rear51.6 in

Similar cars

Rivals to the 2020 Chevrolet Sonic LS Sedan 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)
Tested variant: 2020 Chevrolet Sonic 4 DR FWD
Other tested variants (1)
  • 2020 Chevrolet Sonic 5 HB FWD: 5 ★ overall

Recalls

No recalls on file with NHTSA for the 2020 Chevrolet SONIC.

10 owner complaints to NHTSA for the 2020 Chevrolet SONIC

Owner Complaints

10 owner complaints filed with NHTSA for the 2020 Chevrolet SONIC. See all on nhtsa.gov

Most-cited areas
Electrical System6
Power Train3
Engine2
Air Bags1
Fuel/Propulsion System1
Seats1
A complaint can cite more than one area.
Most recent complaints
Jun 22, 2026 · Engine
“Engine Cooling System (Thermostat Housing / Water Outlet) The vehicle suffered a premature structural failure of the factory engine coolant thermostat housing. The component, which is manufactured…”
Nov 1, 2025 · Electrical System
“Purchased from Carvana. Nine days after purchase came out to a dead battery took it to the authorized dealer and they said the battery was a bad cell battery. Replace the battery. Six days after they…”
Nov 15, 2024 · Seats
“1. What component or system failed or malfunctioned, and is it available for inspection upon request? The passenger seat adjustment mechanism has failed, causing the seat to become stuck in the…”
Jul 28, 2024 · Electrical System, Unknown Or Other, Fuel/Propulsion System
“Having trouble with leaks and the evap purge system. I repaired it three times. The vehicle will turn off while driving.”
Mar 9, 2024 · Power Train, Engine
“1st occurence at approximately 37k miles on Vehicle has issue based on climate temperature sensor triggers a computer code 84 vehicle goes into limp mode to prevent engine failure however, this…”

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 2020 CHEVROLET SONIC. US-market vehicles only; data cached for up to 7 days.

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