Models:

Chevrolet Impala Sedan, Impala LS

Body style / driveline:

front-engine, front-drive, five- / six-passenger sedan

Body material:

two-sided galvanized steel (except roof)

EPA vehicle class:

large (although built on a midsize architecture)

Manufacturing location:

Oshawa, Ontario, Canada

Key competitors:

Ford Taurus, Dodge Intrepid, Honda Accord, Toyota Avalon, Toyota Camry

3.4L 3400 V6 (LA1)

3.8L 3800 V6 (L36)

Type:

3400 V6 SFI, cast-iron

3800 SFI V6, cast-iron

Displacement (cu in / cc):

205 / 3359

231 / 3785

Bore & stroke (in / mm):

3.62 x 3.31 / 92 x 84.1

3.80 x 3.40 / 96.5 x 86.4

Cylinder head material:

cast-aluminum

cast-iron

Valvetrain:

OHV, two per cylinder

OHV, two per cylinder

Ignition system:

direct

direct

Fuel injection / delivery:

sequential fuel injection

sequential fuel injection

Compression ratio:

9.5:1

9.4:1

Horsepower (hp / kw @ rpm):

180 / 134 @ 5200

200 / 149 @ 5200

Torque (lb-ft / Nm @ rpm):

205 / 278 @ 4000

225 / 305 @ 4000

Recommended fuel:

87 octane

87 octane

Maximum engine speed (rpm):

6000

6000

Estimated fuel economy

(mpg city / hwy / combined):

21 / 32 / 27

20 / 30 / 26

Type:

4T65-E, four-speed automatic, front-wheel drive

Gear ratios (:1):

First:

2.92

Second:

1.57

Third:

1.00

Fourth:

0.71

Reverse:

2.39

Final drive ratio:

Sedan: 2.86:1; LS Sedan: 3.05:1

Type:

four-wheel independent suspension with specially tuned MacPherson struts at all four corners

Front:

variable-rate front coil springs, hollow 32-mm stabilizer bar

Rear:

non-linear coil springs, solid 14-mm stabilizer bar

Steering:

power rack-and-pinion for all models

Ratio:

3400 V6 engine: 15.2:1; 3800 V6 engine: 13.3:1

Steering wheel turns, lock-to-lock:

2.9

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

38.0 / 11.6