Buick Lucerne Super and LaCrosse Super at NY Auto Show

Model:

LaCrosse Super

Body style / driveline:

front-drive, front-engine, 4-door, 5- passenger sedan

Construction:

integral

EPA vehicle class:

midsize sedan

Manufacturing location:

Oshawa, Ontario, Canada

Key competitors:

Toyota Avalon, Lincoln MKZ

5.3L V-8 (LS4)

Application:

LaCrosse Super

Type:

5.3L V-8

Displacement (cu in / cc):

325 / 5328

Bore & stroke (in / mm):

3.78 x 3.62 / 96 x 92

Block material:

cast aluminum

Cylinder head material:

cast aluminum

Valvetrain:

overhead valve, 2 valves per cylinder, continuously variable valve timing

Ignition system:

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

Fuel delivery:

Active Fuel Management; sequential fuel injection

Compression ratio:

10:1

Horsepower (hp / kW @ rpm):

300 / 224 @ 5600 (pending SAE certification)

Torque (lb-ft / Nm @ rpm):

323 / 438 @ 4400 (pending SAE certification)

Recommended fuel:

premium recommended but not required

Maximum engine speed (rpm):

6100

Emissions controls:

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

Estimated fuel economy

(mpg city / hwy / combined):

TBD

Type:

Hydra-Matic 4T65, 4-speed automatic, front-wheel drive

Gear ratios (:1):

First:

2.92

Second:

1.56

Third:

1.00

Fourth:

0.70

Reverse:

2.38

Final drive ratio:

3.29:1

Overall drive ratio:

2.93:1

Front:

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

Rear:

independent tri-link coil over strut, twin-tube dampers, dual-rate coil springs, 19.4-mm solid stabilizer bar

Steering type:

power, magnetic, variable assist, rack-and-pinion

Steering ratio:

13.3:1

Steering wheel turns, lock-to-lock:

2.3

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

40 / 12.2

Type:

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

Rotor diameter x thickness (in / mm):

front: 12.72 x 1.18 / 323 x 30

rear: 10.94 x 0.43 / 278 x 11

Wheel size and type:

18-inch painted aluminum (std); 18-inch chrome finish aluminum (opt)

Tires:

P235/50R18 all-season radial

Wheelbase (in / mm):

110.5 / 2807

Overall length (in / mm):

198.0 / 5030

Overall width (in / mm):

73 / 1853

Overall height (in / mm):

57.4 / 1458

Track (in / mm):

front: 61.7 / 1566; rear: 61.0 / 1549

Curb weight (lb / kg):

3770 / 1710

Seating capacity (front / rear):

5 (2 front / 3 rear)

Headroom (in / mm):

front: 39.4 / 1000; rear: 37.2 / 946

Legroom (in / mm):

front: 42.3 / 1074; rear: 37.6 / 955

Shoulder room (in / mm):

front: 57.2 / 1453; rear: 57 / 1448

Hip room (in / mm):

front: 55.3 / 1404; rear: 54.6 / 1387

EPA passenger volume (cu ft / L):

99.4 / 2815

EPA interior volume (cu ft / L):

115.4 / 3268

Cargo volume (cu ft / L):

14.3 / 405

Trailer towing maximum (lb / kg):

1000 / 454 (est.)

Fuel tank (gal / L):

17.5 / 66.24

Engine oil (qt / L):

6.0 / 5.7

Cooling system (qt / L):

13.3 / 12.6