Models:

Sonic 4-door sedan and 5-door hatchback

Body style / driveline:

4-door or 5-door, front engine, front-wheel drive, 5 passengers

Construction:

unitized body/frame

EPA vehicle class:

subcompact

Manufacturing location:

Orion Township, Mich.

Key competitors:

Ford Fiesta, Honda Fit, Toyota Yaris

1.8L DOHC I-4

1.4L turbocharged DOHC I-4

Displacement (cu. in. / cc):

110 / 1796

83.2 / 1364

Bore and stroke (in. / mm):

3.17 x 3.47 / 80.5 x 88.2

2.85 x 3.25 / 72.5 x 82.6

Block material:

cast iron

cast iron

Cylinder head material:

cast aluminum

cast aluminum

Valvetrain:

overhead camshafts, four valves per cylinder, double continuously cam phaser intake and exhaust (DCVCP)

overhead camshafts, four valves per cylinder, double continuously cam phaser intake and exhaust (DCVCP)

Ignition system:

individual coil on plug

individual coil on plug

Fuel delivery:

sequential multi-port fuel injectors with electronic throttle control

sequential multi-port fuel injectors with electronic throttle control

Compression ratio:

10.5:1

9.5:1

Horsepower
(hp / kW @ rpm):

135 / 101 @ 6300 (est.)

138 / 103 @ 4900 (est.)

Torque
(lb.-ft. / Nm @ rpm):

125 / 168 @ 3800 (est.)

148 / 200 @ 1850 (est.)

Recommended fuel:

regular unleaded

regular unleaded

Max engine speed (rpm):

6500

6500

Emissions controls:

close-coupled catalytic converters; Quick-Sync 58x ignition system; returnless fuel rail; fast light-off O2 sensor

close-coupled and underfloor catalytic converters; Quick-Sync 58x ignition system; returnless fuel rail; fast light-off O2 sensor

Est. fuel economy
(city / hwy):

TBD

TBD

M32 6-speed manual (1.4L turbo)

Hydra-Matic 6T30 6-speed automatic (1.8L)

M26 5-speed manual (1.8L)

Gear ratios (:1)

First:

3.82

4.45

3.72

Second:

2.05

2.91

1.96

Third:

1.30

1.89

1.32

Fourth:

0.96

1.44

0.94

Fifth:

0.74

1.00

0.75

Sixth:

0.61

0.74

--

Reverse:

3.54

2.87

3.30

Final drive:

3.65

3.47

3.94

Front:

MacPherson struts with offset coil springs and stabilizer bar

Rear:

semi-independent torsion beam axle with coil springs

Steering type:

column-mounted electric power steering

Steering ratio:

14:1

Steering wheel turns, lock-to-lock:

2.8 (15- and 16-inch wheels)
2.7 (17-inch wheels)

Turning circle, curb-to-curb (ft / m):

34.5 / 10.5 (15- and 16-inch wheels)
36.1 / 11 (17-inch wheels)

Type:

ventilated front disc and rear drum, with standard ABS

Rotor diameter x thickness (in / mm):

10.8 / 276

Drum diameter x width (in / mm):

9 / 230

Total swept area (sq in / sq cm):

TBD

Wheel size and type:

15-inch alloy

16-inch alloy

17-inch alloy

Tires:

P195/65R15 ALS

P205/55R16 ALS

P205/50R17 ALS

sedan

five-door

Wheelbase (in / mm):

99.4 / 2525

99.4 / 2525

Overall length (in / mm):

173.1 / 4399

159 / 4039

Overall width (in / mm):

68.3 / 1735

68.3 / 1735

Overall height (in / mm):

59.7 / 1517

59.7 / 1517

Track (in / mm):

front: 59.4 / 1509
rear: 59.4 / 1509

front: 59.4 / 1509
rear: 59.4 / 1509

Curb weight (lb / kg):

TBD

TBD

sedan

five-door

Seating capacity (front / rear):

2 / 3

2 / 3

Headroom (in / mm):

front: 38.7 / 982 (w/o sunroof)

front: 37.6 / 956 (w/ sunroof)

rear: 37.8 / 961 (w/o sunroof)

rear: 37.8 / 961 (w/ sunroof)

front: 38.7 / 982 (w/o sunroof)

front: 37.6 / 956 (w/ sunroof)

rear: 38.1 / 968 (w/o sunroof)

rear: 38.1 / 968 (w/ sunroof)

Legroom (in / mm):

front: 41.8 / 1062
rear: 34.6 / 881

front: 41.8 / 1062
rear: 34.6 / 881

Shoulder room (in / mm):

front: 53.4 / 1358
rear: 53 / 1347

front: 53.4 / 1358
rear: 53 / 1347

Hip room (in / mm):

front: 51.4 / 1306
rear: 51.6 / 1310

front: 51.4 / 1306
rear: 51.6 / 1310

sedan

five-door

EPA interior volume (cu ft / L):

TBD

TBD

Cargo volume (cu ft / L):

14 / 397

19 / 539 (behind rear seats)
30.7 / 869 (seats folded)

EPA passenger vol. (cu ft / L):

90.4 / 2560

90.6 / 2565

Fuel tank (gal / L):

12.1 / 45.8

12.1 / 45.8

Engine oil (qt / L):

TBD

TBD

Cooling system (qt / L):

TBD

TBD