Engines

Transmission

3.5L V-6

3.9L V-6

4-spd auto
(Hydra-Matic 4T65)

LS

s

-

s

LT

s

o

s

LTZ

-

s

s

Standard

s

Optional

o

Not available

-

Models:

Chevrolet Impala LS, LT and LTZ

Body style / driveline:

Front-engine, front-drive, 5- / 6-passenger sedan

Construction:

Two-sided galvanized steel (except roof); Quiet Steel (F.O.D.)

EPA vehicle class:

Large car

Manufacturing location:

Oshawa, Ontario, Canada

Key competitors:

Ford Taurus, Dodge Charger, Toyota Avalon, Chrysler 300C

3.5L V-6 w/VVT (LZ4, LZE)

3.9L V-6 FlexFuel (LGD)

Application:

LS, LT

LTZ

Type:

3.5L V-6

3.9L V-6

Displacement (cc / cu in):

3510 / 214

3880 / 237

Bore & stroke (mm / in):

99 x 76 / 3.90 x 2.99

99 x 84 / 3.90 x 3.31

Block material:

Cast iron

Cast iron

Cylinder head material:

Cast aluminum

Cast aluminum

Valvetrain:

Overhead valve, two valves per cylinder, continuously variable valve timing

Overhead valve, two valves per cylinder, continuously variable valve timing

Ignition system:

58X; direct iridium electrode tip / iridium core spark plugs, low resistance spark plug wires

58X; direct iridium electrode tip / iridium core spark plugs, low resistance spark plug wires

Fuel:

Sequential fuel injection

Sequential fuel injection

Compression ratio:

9.8:1

9.8:1

Horsepower (hp/ kW @ rpm):

207 / 154 @ 5800*

230 / 172 @ 5700

Torque (lb-ft / Nm @ rpm):

215 / 292 @ 4000*

238 / 319 @ 3200

Fuel:

LZ4: regular unleaded
LZE: regular unleaded or E85

Regular unleaded or E85

Maximum engine speed (rpm):

6400

6400

Emissions controls:

Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response oxygen sensor

Close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response oxygen sensor

Estimated fuel consumption:

Mi/imp.gal (city / hwy / combined)

LZE: 26 / 42 / 31

24 / 38 / 28

L/100km (city / hwy / combined)

LZE: 10.8 / 6.7 / 9.0

12.0 / 7.4 / 10.0

Hydra-Matic 4T65

Type

4-speed automatic

Gear ratios (:1):

First:

2.92

Second:

1.56

Third:

1.00

Fourth:

0.70

Reverse:

2.38

Final drive ratio:

3.5L: 2.86:1
3.9L: 3.29:1

Suspension type:

Std with LS, LT: FE1; std with LTZ: FE3

Front:

Independent MacPherson strut coil-over-spring, twin-tube dampers with gas-charged valving; coil springs; hollow 30-mm stabilizer bar; FE3 has hollow 34-mm stabilizer bar

Rear:

Independent tri-link coil over strut, twin-tube dampers, variable-rate coil springs, 16-mm solid stabilizer bar (FE1); LTZ FE3 has dual rate coil springs, hollow 19.4-mm stabilizer bar

Steering type:

Power rack-and-pinion

Steering ratio:

13.3:1

Steering wheel turns, lock-to-lock:

2.4

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

11.6 / 38 (16-inch or 17-inch wheels)
12.2 / 40 (18-inch wheels)

Type:

Four-wheel disc with power assist, vented front, solid rear and anti-lock braking system (ABS)

Rotor diameter x thickness (mm / in):

front: 303 x 30 / 12.0 x 1.18
rear: 278 x 11 / 11.0 x 0.43

LS, LT

LTZ

Wheel size and type:

std.:
16 x 6.5-inch, steel wheels (LS)
16-inch cast aluminum (LT)
opt.:
16-inch aluminum (LS)

Five-spoke 18x 7-inch machined aluminum wheel

Tires:

P225/60R16

P235/55R18

Wheelbase (mm / in):

2807 / 110.5

Overall length (mm / in):

5090 / 200.4

Overall width (mm / in):

1851 / 72.9

Overall height (mm / in):

1491 / 58.7

Track (mm / in):

front: 1585.5 / 62.4
rear: 1562.0 / 61.5

Curb weight (kg / lb):

LS: 1613 / 3555
LT w/3.5L: 1613 / 3555
LT w/3.9L: 1655 / 3649
LTZ: 1655 / 3649

Weight distribution (% front / rear):

LS: 62 / 38
LT: 61 / 39
LTZ: 61 / 39

Drag coefficient:

0.33

Front

Rear

Headroom (mm / in):

1001 / 39.4

961 / 37.8

Legroom (mm / in):

1074 / 42.3

954 / 37.6

Shoulder room (mm / in):

1490 / 58.7

1488 / 58.6

Hip room (mm / in):

1432 / 56.4

1452 / 57.2

Rear pass-through (mm / in):

-

390 x 15.4 x 943 / 37.1

Seating capacity:

front: 2 / 3
rear: 3

EPA interior volume (L / cu ft):

3486 / 123.1

EPA passenger volume (L / cu ft):

2959 / 104.5

Cargo volume (L / cu ft):

526.7 / 18.6

Trailer towing maximum (kg / lb):

454 / 1000

Fuel tank (L / imp.gal):

64 / 14