2012 LaCrosse eAssist™

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2012 BUICK LACROSSE WITH eASSIST™ SPECIFICATIONS

Overview

Model:

2012 LaCrosse with eAssist technology

Body style / driveline:

front-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

Engine

Type:

Ecotec 2.4L DOHC I-4

Displacement (cu in / cc):

145 / 2384

Bore & stroke (in / mm):

3.46 x 3.85 / 88 x 98

Block material:

precision sand cast aluminum

Cylinder head material:

SPM cast aluminum

Valvetrain:

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

Ignition system:

individual coil-on-plug

Fuel delivery:

direct injection and electronic throttle control

Compression ratio:

11.2:1

Horsepower (hp / kW @ rpm):

182 / 136 @ 6700 rpm*

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

172 / 233 @ 4900 rpm*

Recommended fuel:

regular unleaded

Emissions controls:

supplemental air injection system, partial zero emissions vehicle capable

Estimated fuel economy
(city / hwy):

25 / 36

Transmission

Type:

Hydra-Matic 6T40 six-speed automatic

Gear ratios: (:1):

 

First:

4.58

Second:

2.96

Third:

1.91

Fourth:

1.45

Fifth:

1.00

Sixth:

0.75

Reverse:

2.84

Final drive ratio:

2.64:1

Electric Drive System

Type:

belt-driven, liquid-cooled motor/generator unit and lithium-ion battery system; air-cooled power electronics and battery pack

Maximum electric generating power

15 kW @ 1570-3180 rpm

Maximum electric motor torque (cranking)

110 lb.-ft. / 150 Nm

Maximum electric motor torque (electric assist)

79 lb.-ft. / 107 Nm @ 1,000 rpm

Maximum electric motor power (electric assist)

15 hp / 11.2 kW @ 1,000-2,200 rpm

Lithium-ion battery

115V, 0.5-kWh, 15 kW peak power

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

Steering type:

electric variable-ratio, rack-and-pinion

Steering ratio:

15.2:1

Steering wheel turns, lock-to-lock:

2.75

Turning circle (ft / m):

38.8 / 11.75

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)

Wheels / Tires

Wheel size and type:

17-inch steel with cover

Tires:

P245/50R17 all-season blackwall

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):

3835 / 1739

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

Capacities

EPA interior volume (cu ft / L):

99 / 2805

Passenger volume (cu ft / L):

101.7 / 2878

Cargo volume (cu ft / L):

10.9 / 307

Trailer towing maximum (lb / kg):

TBD

Fuel capacity (gal / L):

15.7 / 59.4

Engine oil (qt / L):

5 / 4.7

Cooling system ( qt / L):

TBD

*SAE certified.

Note: Information shown is current at time of publication.

 

2012 Buick LaCrosse eAssist Overview - Overview of the 2012 LaCrosse with eAssist,™ a new fuel-saving technology that increases fuel economy by 25 percent compared to the four-cylinder/six-speed powertrain in the 2011 LaCrosse.

Pricing

  • For available vehicle and options pricing in the U.S. and to view actual window stickers, click here.

Translations

CHINESE (Simplified)

* 12_PG_Buick_LaCrosse 072011 CH.doc
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KOREAN

* 12_PG_Buick_LaCrosse 072011_Kor.doc
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SPANISH

* 2012 Buick LaCross eAssist Spanish.doc
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