Buick LaCrosse - 2011

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Model Lineup

 

Engines

Transmissions

 

Ecotec 2.4L I-4

3.6L V-6 VVT DI

Hydra-Matic 6T45 six-speed

Hydra-Matic
6T70 six-speed

LaCrosse CX

s

o

s

o

LaCrosse CXL FWD

s

o

s

o

LaCrosse CXL AWD

-

s

-

s

LaCrosse CXS

-

s

-

s

Key

Standard

s

Optional

o

Not Available

-

 

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Overview

Model:

2010 LaCrosse CX, CXL and CXS

Body style / driveline:

front-drive/all-wheel-drive, front-engine, four-door, five- passenger sedan

Construction:

integral

EPA vehicle class:

midsize sedan

Manufacturing location:

Kansas City , Kan.

Key competitors:

Acura TL, Lincoln MKZ, Lexus ES350

 

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Engines

Type:

Ecotec 2.4L DOHC I-4

3.6L V-6 VVT DI

Displacement (cu in / cc):

145 / 2384

217 / 3564

Bore & stroke (in / mm):

3.46 x 3.85 / 88 x 98

3.7 x 3.37 / 94 x 85.6

Block material:

precision sand cast aluminum

aluminum

Cylinder head material:

SPM cast aluminum

cast aluminum

Valvetrain:

overhead camshafts, four-valves per cylinder, continuous variable valve timing for intake and exhaust

DOHC with four valves per cylinder; continuously variable valve timing

Ignition system:

individual coil-on-plug

individual coil-on-plug; individual cylinder knock control

Fuel delivery:

direct injection and electronic throttle control

sequential fuel injection

Compression ratio:

11.2:1

11.3:1

Horsepower (hp / kW @ rpm):

182 / 136 @ 6700 rpm*

280 / 209 @ 6300*

Torque (lb.-ft. / Nm @ rpm):

172 / 233 @ 4900 rpm*

259 / 351 @ 4800*

Recommended fuel:

regular unleaded

regular

Emissions controls:

close-coupled, catalytic converter; variable valve timing; positive crankcase ventilation evaporative system

dual close-coupled catalysts and single underfloor catalyst; variable valve timing, evaporative system

EPA-estimated fuel economy (city / hwy):

19 / 30

17 / 27

 

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Transmission

Type:

Hydra-Matic 6T45 six-speed

Hydra-Matic 6T70 six-speed

Gear ratios: (:1):

 

 

First:

4.58

4.48

Second:

2.96

2.87

Third:

1.91

1.84

Fourth:

1.45

1.41

Fifth:

1.00

1.00

Sixth:

0.75

0.74

Reverse:

2.84

2.88

Final drive ratio:

3.23

2.77

 

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Chassis/Suspension

Suspension (front):

MacPherson strut coil-over-spring; twin-tube dampers with gas-charged valving; hollow direct-acting stabilizer bar

Suspension (rear):

four-link (CX, CXS with 18-inch wheels); “H”-arm (CXL, CXS with Touring Package – 19-inch wheels and real-time damping and Sport Mode Selectivity)

Steering type:

electric variable-ratio, rack-and-pinion (CX, CXL w/ 2.4L)
hydraulic power; rack-and-pinion (CX w/ 3.6L)
hydraulic power; variable-effort rack-and-pinion (CXL, CXS w/ 3.6L)

Steering ratio:

15.2:1

Steering wheel turns, lock-to-lock:

2.75

Turning circle (ft / m):

38.8 / 11.75

 

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Brakes

Type:

split, dual-circuit four-wheel-disc with power assist

Rotor diameter x thickness (in / mm):

front: 12.6 x 1.2 / 321 x 30 (vented)
rear: 12.4 x 0.9 / 315 x 23 (solid)

Total swept area
(cu in / mm):

TBD

 

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Wheels/Tires

Wheel size and type:

17-inch steel with cover std. on CX
17-inch alloy opt. on CX
18-inch alloy std. on CXL and CXS
19-inch alloy opt. on CXS

Tires:

P245/50R17 all-season blackwall
P245/45R18 all-season blackwall
P245/40R19 all-season blackwall

 

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Dimensions

Exterior

Wheelbase (in / mm):

111.7 / 2837

Overall length (in / mm):

197 / 5003

Overall width (in / mm):

73.1 / 1858

Overall height (in / mm):

59.2 / 1503

Track (in / mm):

front: 61.7 / 1567
rear: 62 / 1576

Curb weight (lb / kg):

CX: 3829 / 1737
CXL FWD: 4026 / 1826
CXL AWD: 4196 / 1903
CXS: 4045 / 1835

Interior

Seating capacity:

5 (2 front / 3 rear)

Headroom (in / mm):

front: 38 / 965
rear: 37.3 / 948

Legroom (in / mm):

front: 41.7 / 1058
rear: 40.5 / 1029

Shoulder room (in / mm):

front: 57.4 / 1459
rear: 56 / 1423

Hip room (in / mm):

front: 55.2 / 1402
rear: 53.9 / 1368

 

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Capacities

EPA interior volume (cu ft / L):

99 / 2805

Passenger volume (cu ft / L):

101.7 / 2878

Cargo volume (cu ft / L):

13.3 / 376 (CX, CXL)
12.8 / 362 (CXS)

Trailer towing maximum (lb / kg):

1000 / 454 (3.6L)

Fuel capacity (gal / L):

CX, CXL FWD, CXS: 18.4 / 69.6
CXL AWD: 19.5 / 73.8

Engine oil (qt / L):

5 / 4.7 (2.4L)
5.5 / 5.2 (3.6L)

Cooling system ( qt / L):

TBD (2.4L)
7.6 / 7.2 (3.6L)

 

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

Contacts

Translations

KOREAN

ECOTEC 2.4L로 2011년형 뷰익 라크로스 라인업의 효율성 향상

SIMPLIFIED CHINESE

ECOTEC 2.4 升发动机为 2011 别克君越系列带来更高功效

SPANISH

EL ECOTEC DE 2,4 LITROS BRINDA MAYOR EFICIENCIA A LA LÍNEA DE MODELOS BUICK LACROSSE 2011