Chevrolet Impala - 2009

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Overview

Models:

Chevrolet Impala LS, LT, LTZ and SS

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, Honda Accord, Toyota Camry, Nissan Altima, Chrysler 300C

Engines

 

3500 3.5L V-6 w/VVT (LZE, LZ4)

3.9L V-6 (LGD)

5.3L V-8 (LS4)

 

LZE (E85): std in FE9 states; optional in YF5 and NE1 States

LZ4: std in Canada and NE1 and YF5 states

 

 

Application:

LS, LT

LT, LTZ

SS

Type:

3.5L V-6

3.9L V-6

5.3L V-8

Displacement (cu in / cc):

214 / 3510

237 / 3880

325 / 5327

Bore & stroke (in / mm):

3.90 x 2.99 / 99 x 76

3.90 x 3.31 / 99 x 84

3.78 x 3.62 / 96 x 92

Block material:

cast iron

cast iron

cast aluminum

Cylinder head material:

cast aluminum

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

overhead valve, two valves per cylinder

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

coil-near-plug, iridium electrode tip / iridium core spark plugs, low resistance spark plug wires

Fuel:

sequential fuel injection

sequential fuel injection

Active Fuel Management; sequential fuel injection

Compression ratio:

9.8:1

9.8:1

10:1

Horsepower (hp/ kW @ rpm):

211 / 157 @ 5800*

224 / 167 @ 5700

303 / 226 @ 5600

Torque (lb-ft / Nm @ rpm):

214 / 290 @ 4000*

235 / 319 @ 3200

323 / 438 @ 40 00

Fuel:

(LZ4) regular unleaded;

(LZE) regular unleaded, E85-capable

regular unleaded; E85 capable

premium recommended but not required

Maximum engine speed (rpm):

6400

6400

6100

Emissions controls:

close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor

close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor

underfloor catalytic converter, Quick Sync 24X ignition, returnless fuel rail, fast-response O² sensor

EPA-estimated fuel economy (city / hwy):

18 / 29 (gasoline)

14 / 21 (E85)

TBD

16 / 24

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

5.3L – 3.29:1

Chassis/Suspension

Suspension type:

std with LS, LT: FE1; std with LTZ, SS: 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/SS 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:

3.5L and 3.9L: 2.4; 5.3L: 2.3

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

38 / 11.6: models with 16-inch or 17-inch wheels

40 / 12.2: models with 18-inch wheels

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

opt. LS, std: LT, LTZ, SS

Wheels/Tires

 

w/ 3.5L engine

w/ 3.9L engine

w/ 5.3L engine

Wheel size and type:

std: 16 x 6.5- inch , steel wheels, available cast aluminum w/ five-spoke composite wheel cover; opt: same size painted aluminum wheels

2LT:17 x 6.5-inch high-vent steel w/ chromed wheel covers

LTZ: five-spoke 18x 7-inch machined aluminum wheel

std: 18 x 7-inch chrome aluminum

Tires:

P225/60R16

P225/50R17 (2LT)

P235/55R18 (LTZ)

P235/50R18

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

SS: 3711 / 1683

Weight distribution (% front / rear):

LS: 62 / 38

LT: 61 / 39

LTZ: 61 / 39

SS: 62 / 38

Drag coefficient:

0.33

Interior

 

front

rear

Seating capacity:

LS, LT, LTZ: 2/3; SS: 2

All models: 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 / 390 x 37.1 / 943

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; 5.3L: 6.0/ 5.7

Cooling system (qt / L):

3.5L: 11.7 / 11.1; 3.9L: 12.2 / 11.5; 5.3L: TBD

* SAE certified.

Note: Information shown is current at time of publication.

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala

2009 Chevrolet Impala SS

2009 Chevrolet Impala SS

2009 Chevrolet Impala SS

2009 Chevrolet Impala SS

2009 Chevrolet Impala SS

2009 Chevrolet Impala SS

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