Buick Lucerne Super and LaCrosse Super at NY Auto Show

Model:

Lucerne Super

Body style / driveline:

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

Construction:

integral

EPA vehicle class:

full-size sedan

Manufacturing location:

Detroit Hamtramck Assembly, Detroit

Key competitors:

Chrysler 300, Lexus ES350

4.6L V-8

Application:

std on Lucerne Super

Type:

4.6L V-8

Displacement (cu in / cc):

279 / 4565

Bore & stroke (in / mm):

3.66 x 3.331 / 93 x 84

Block material:

cast aluminum with iron-bore liners

Cylinder head material:

aluminum

Valvetrain:

dual overhead cam, 4 valves per cylinder

Ignition system:

electronic direct ignition system (DIS) and electronic spark plug control (ESC) and extended life platinum-tipped spark plugs

Fuel delivery:

sequential fuel injection

Compression ratio:

10:1

Horsepower (hp / kW @ rpm):

292 / 218 @ 6300*

Torque (lb-ft / Nm @ rpm):

288 / 390 @ 4500*

Recommended fuel:

premium recommended but not required

Maximum engine speed (rpm):

6700

Emissions controls:

evaporative system, single catalytic converter, exhaust gas recirculation, positive crankcase ventilation, Air Injection Reaction (AIR), ULEV II compliant

Estimated fuel economy

(mpg city / hwy / combined):

TBD

Type:

Hydra-Matic 4T80; electronically controlled 4-speed automatic with overdrive and electronically controlled torque converter clutch

Gear ratios (:1):

First:

2.96

Second:

1.63

Third:

1.00

Fourth:

0.68

Reverse:

2.13

Final drive ratio:

3.71

Front:

independent MacPherson strut coil-over-spring; mono-tube dampers; tubular stabilizer bar

Rear:

multi-link independent with coil springs and semi trailing arm, monotube airlift control; tubular stabilizer bar

Steering type:

magnetic variable assist rack-and-pinion

Steering ratio:

14.2:1

Steering wheel turns, lock-to-lock:

2.1 (est)

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

44 / 13.4 (est)

Type:

4-wheel disc anti-lock with traction control, power assist, vented front, solid rear

Rotor diameter x thickness (in / mm):

front: 12.7 x 1.18 / 323 x 30; rear: 11.5 x 0.47 / 292 x 12

Wheel size and type:

18-inch aluminum

Tires:

P245/50R18 all-season radial

Wheelbase (in / mm):

115.6 / 2936

Overall length (in / mm):

203.2 / 5161

Overall width (in / mm):

73.8 / 1874

Overall height (in / mm):

58 / 1473

Track (in / mm):

front: 62.6 / 1591; rear: 62.1 / 1577

Curb weight (lb / kg):

4003.8 / 1816.1

Seating capacity (front / rear):

5 / 6 (2 or 3 front / 3 rear)

Headroom (in / mm):

front: 39.5 / 1004; rear: 37.6 / 957

Legroom (in / mm):

front: 42.5 / 1079; rear: 41 / 1051

Shoulder room (in / mm):

front: 58.0 / 1473; rear: 57.0 / 1453

Hip room (in / mm):

front: 56.7 / 1424; rear: 57.0 / 1445

EPA passenger volume (cu ft / L):

108 / 3058

EPA interior volume (cu ft / L):

125 / 3540

Cargo volume (cu ft / L):

17 / 481

Trailer towing maximum (lb / kg):

1000 / 454 (est.)

Fuel tank (gal / L):

18.5 / 70

Engine oil (qt / L):

7.5 / 7.1

Cooling system (qt / L):

12.7 / 12