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Home / Buyer's Guide / Brochures / 2008 Cobalt / Specifications |
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2008 Cobalt
Overview |
Standard/Optional |
Specifications |
Exterior Colors |
Interior Colors/Styles |
Available Wheels
|
Fuel Economy
| Engine |
EPA Estimated MPG city/hwy. |
| 2.2L DOHC ECOTEC |
| 5-speed manual transmission |
24 city/33 highway |
| 4-speed automatic transmission |
22 city/31 highway |
| 2.4L High-Output DOHC ECOTEC |
| 5-speed manual transmission |
22 city/32 highway |
| 4-speed automatic transmission |
22 city/31 highway |
Dimensions
| |
EXTERIOR |
| Coupe (inches) |
Sedan (inches) |
| Wheelbase |
103.5 |
103.5 |
| Overall length |
180.5 |
180.5 |
| Width |
67.7 |
67.7 |
| Overall height |
55.7 |
57.0 |
| Front track width |
59.1 |
59.1 |
| Rear track width |
59.4 |
59.4 |
| |
INTERIOR |
LS, LT, Sport Coupe
(inches) |
LS, LT, Sport Sedan
(inches) |
| Headroom — front |
38.7 |
38.5 |
| Headroom — rear |
35.7 |
37.6 |
| Legroom — front |
42.0 |
41.9 |
| Legroom — rear |
32.8 |
32.9 |
| Shoulder room — front |
53.0 |
53.0 |
| Shoulder room — rear |
49.6 |
51.4 |
| Hip room — front |
49.5 |
49.6 |
| Hip room — rear |
46.3 |
46.4 |
| Passenger volume, EPA index (cu. ft.) |
87.1 |
82.5 |
| Cargo volume, EPA index (cu. ft.)1 |
13.9 |
13.9 |
| Interior volume, EPA index (cu. ft.) |
97.0 |
100.2 |
1 Cargo and load capacity limited by weight and distribution.
Capacities
| |
Coupe |
Sedan |
| Seating (front/rear) |
2/3 |
2/3 |
| Fuel tank capacity (gal. approx.) |
13 |
13 |
| Curb weight, estimated (lbs.) |
2,681 |
2,747 |
Trailering
| Trailering |
For RV Fans: Cobalt is designed to be four-wheel dinghy-towed up to 65 mph.
See the Owner's Manual for details. |
NOTE: Trailering with Cobalt is not recommended.
Braking
| |
Coupe |
Sedan |
| Front brakes |
Rotor size
(dia. x thick in mm) |
256 x 24 |
256 x 24 |
| Rear brakes |
Rear drum/disc size
(dia. x width in mm) |
230 x 40(drum) |
230 x 40(drum) |
Engine
| Type |
2.2L DOHC ECOTEC |
2.4L DOHC ECOTEC |
| RPO |
L61 |
LE5 |
| Displacement (liters/cu. in.) |
2.2/134 |
2.4/145 |
| Bore & stroke (in.) |
3.4 x 3.7 |
3.5 x 3.9 |
| Bore & stroke (mm) |
86.00 x 94.60 |
88.00 x 98.00 |
| Compression ratio |
10.0:1 |
10.4:1 |
| Block material |
cast-aluminum |
cast-aluminum |
| Cylinder head material |
cast-aluminum |
cast-aluminum |
| Valves per cylinder |
4 |
4 |
| Ignition system |
electronic |
electronic, coil-on-plug |
| Lifters |
hydraulic |
hydraulic |
| Cam drive |
chain |
chain |
| Alternator rating (amps) |
130 |
130 |
| Battery (SAE rating, cca) |
600 |
600 |
| Recommended unleaded fuel |
87 octane |
91+ octane |
| Redline (RPM) |
6500 |
6500 |
| Horsepower @ engine RPM |
148 @ 5600 RPM |
171 @ 5800 RPM |
| Torque (lb.-ft. @ engine RPM) |
152 @ 4200 RPM |
167 @ 4500 RPM |
Steering
| |
Coupe/Sedan |
| Ratio |
14.7:1 |
| Turns stop-to-stop |
3.6 |
| Turning diameter curb-to-curb (ft.) |
37.4 |
Transmission
| Type |
Hydra-Matic four-speed automatic with overdrive |
Five-speed manual with overdrive |
| RPO |
MN4 |
MM5 |
| Gear ratios |
| First gear |
2.96 |
3.58 |
| Second gear |
1.62 |
2.02 |
| Third gear |
1.00 |
1.35 |
| Fourth gear |
0.68 |
0.98 |
| Fifth gear |
— |
0.81 |
| Reverse |
2.14 |
3.31 |
| Final drive ratios |
3.63 |
3.94 |
| Case material |
aluminum |
aluminum |
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