Chevrolet Impala - 2011

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Model Lineup

 

Engines

Transmission

 

LS Model

3.5L V-6

3.9L V-6

4-spd auto
(Hydra-Matic 4T65)

1LS
1FL

LT Model

S
S

_

S
S

 

1LT
2FL

LTZ Model

S
S


_

S
S

 

1LTZ

S

S


Key

Standard

S

Optional

O

Not available

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Overview

Models:

Chevrolet Impala LS, LT and LTZ (retail) ; 1FL and 2FL (fleet)

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

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Engines

 

3.5L V-6 w/VVT (LZE) FlexFuel

3.9L V-6 FlexFuel w/VVT (LGD)

Application:

LS, LT

LTZ

Type:

3.5L V-6

3.9L V-6

Displacement (cu in / cc):

214 / 3510

237 / 3880

Bore & stroke (in / mm):

3.90 x 2.99 / 99 x 76

3.90 x 3.31 / 99 x 84

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

 

sequential fuel injection

sequential fuel injection

Compression ratio:

9.8:1

9.8:1

Horsepower (hp/ kW @ rpm):

211 / 157 @ 5800*

230 / 172 @ 5700

Torque (lb-ft / Nm @ rpm):

216 / 293 @ 4000*

235 / 319 @ 3200

Fuel:

regular unleaded or E85

 

regular unleaded or E85

 

Maximum engine speed (rpm):

6400

6400

Emissions controls:

close-coupled catalytic converter, Quick Sync 58X ignition, fast-response oxygen sensor

close-coupled catalytic converter, Quick Sync 58X ignition, fast-response oxygen sensor

EPA-estimated fuel economy (city / hwy):

18 / 29 (gas)
14 / 22 (E85)

17 / 27 (gas)
13 / 20 (E85)

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Transmission

 

Hydra- Ma tic 4T65, 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

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Chassis/Suspension

Suspension type:

std with LS, LT: FE1/FE2; 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 (all models)

Steering ratio:

13.3:1 (all models)

Steering wheel turns, lock-to-lock:

2.4

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

38 / 11.6: models with 16-in. or 17-in. wheels
40 / 12.2: models with 18-in. wheels

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Brakes

Type:

four-wheel disc with power assist, vented front, solid rear

Rotor diameter x thickness (mm):

front: 303 x 30
rear: 278 x 11

ABS

std. on LS, LT, LTZ

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Wheels/Tires

 

LS, LT

LTZ

Wheel size and type:

1FL: 16-in. steel with cover
1LS: 17-in. fascia spoke
2FL: 16-in cast aluminum
1LT: 17-in. machined aluminum

 

five-spoke 18x 7-inch machined aluminum wheel

Tires:

P225/60R16
P225/55R17

P235/50R18

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Dimensions

Exterior

Wheelbase (in / mm):

110.5 / 2807

Overall length (in / mm):

200.4 / 5091

Overall width (in / mm):

72.9 / 1851

Overall height (in / mm):

58.7 / 1487

Track (in / mm):

(all) front: 62.4 / 1585.5; rear : 61.5 / 1562

Curb weight (lb / kg):

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

Weight distribution
(% front / rear):

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

Drag coefficient:

0.33

Interior

 

front

rear

Seating capacity:

2/3

3

Headroom (in / mm):

39.4 / 1001

37.8 / 961

Legroom (in / mm):

42.3 / 1076

37.6 / 954

Shoulder room (in / mm):

58.7 / 1490

58.6 / 1488

Hip room (in / mm):

56.4 / 1432

57.2 / 1452

Rear pass-through (in / mm):

15.4 x 37.1 / 390 x 943

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Capacities

EPA passenger volume (cu ft / L):

104.5 / 2959

EPA interior volume (cu ft / L):

123.1 / 3486

Cargo volume (cu ft / L):

18.6 / 526.7

Trailer towing maximum (lb / kg):

1000 / 454

Fuel tank (gal / L):

17.5 / 66.2

Engine oil (qt / L):

3.5L: 4.5 / 4.3; 3.9L: 4.5 / 4.3

Cooling system (qt / L):

3.5L: 11.7 / 11.1; 3.9L: 12.2 / 11.5

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*SAE certified.
Note: Information shown is current at time of publication.

Translations

SPANISH

IMPALA 2011: EL SEDÁN DE MAYOR TAMAÑO DE CHEVROLET OFRECE EFICIENCIA EN EL CONSUMO DE COMBUSTIBLE Y DETALLES CON VALOR AGREGADO

SIMPLIFIED CHINESE

2011 款 IMPALA:雪佛兰最大的轿车,提供高燃油经济性和高附加值设施

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