Buick Lucerne - 2010

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Model Lineup

 

Engines

Transmissions

 

3.9L V-6

(LGD/LZ9)

4.6L V-8

(L37)

4-spd auto

(4T65)

4-spd auto

(4T80)

Lucerne CX

s

_

s

Lucerne CXL

s

s

Lucerne CXL Special Edition

s

 

s

_

Lucerne Super

s

s

Key

Standard

s

Optional

o

Not Available

Overview

Models:

Lucerne CX, CXL, CXL Special Edition and Super

Body style / driveline:

front-drive, front-engine, 4-door, 5- and 6-passenger sedan

Construction:

integral

EPA vehicle class:

full-size sedan

Manufacturing location:

Detroit Hamtramck Assembly, Detroit

Key competitors:

Toyota Avalon, Lexus ES350

Engines

 

3.9L V-6 (LGD/LZ9)

4.6L V-8 (L37)

Application:

std on CX, CXL, CXL Special Edition

std on Super

Type:

3.9L V-6

4.6L V-8

Displacement (ci / cc):

237 / 3880

279 / 4565

Bore & stroke (in / mm):

3.90 x 3.31 / 99 x 84

3.66 x 3.331 / 93 x 84

Block material:

cast iron

cast aluminum with iron bore liners

Cylinder head material:

cast aluminum

aluminum

Valvetrain:

overhead valve, two valves per cylinder, variable valve timing

dual overhead cam, four valves per cylinder

Ignition system:

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

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

Fuel delivery:

sequential fuel injection

sequential fuel injection

Compression ratio:

9.8:1

10:1

Horsepower (hp / kW @ rpm):

227 / 169 @ 5700*

 

292 / 218 @ 6300*

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

237 / 321 @ 3200*

 

288 / 390 @ 4500*

Recommended fuel:

regular unleaded or E85 ethanol

premium recommended but not required

Maximum engine speed (rpm):

6400

6700

Emissions controls:

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

 

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

Fuel economy (city / hwy):

17 / 26 (gas)
13 / 20 (E85)

15 / 22

Transmission

 

Hydra-Matic 4T65

Hydra-Matic 4T80

Type:

electronically controlled four-speed automatic with overdrive and torque converter clutch

electronically controlled four-speed automatic with overdrive and electronically controlled torque converter clutch

Application:

3.9L V-6

4.6L V-8

Gear ratios (:1):

 

 

First:

2.92

2.96

Second:

1.56

1.63

Third:

1.00

1.00

Fourth:

0.71

0.68

Reverse:

2.38

2.13

Final drive ratio:

2.93

3.71

Chassis/Suspension

Front suspension:

independent MacPherson strut coil-over-spring; twin-tube dampers (CX, CXL); monotube (Super); 29-mm tubular stabilizer bar (CX and CXL); 33.3-mm tubular stabilizer bar (Super)

Rear suspension:

multi-link independent with coil springs and semi trailing arm, twin-tube airlift control dampers (CX); monotube airlift control (CXL & Super); 18-mm tubular stabilizer bar (CX, CXL & Super)

Steering type:

hydraulic variable ratio rack-and-pinion (CX, CXL), magnetic variable assist rack-and-pinion on Super; Delphi premium steering gear on Super

Steering ratio:

15.1:1 (CX, CXL); 14.2:1 (Super)

Steering wheel turns, lock-to-lock: (est.)

2.8: CX, CXL
2.1: Super

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

42.2 / 12.9 w/ 17-inch wheels; 44 / 13.4 w/18-inch wheels

Brakes

Type:

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

Rotor diameter x thickness
(in / mm):

front: 11.9 x 1.18 / 303 x 30 (CX, CXL); 12.7 x 1.18 / 323 x 30 (Super)
rear: 11.5 x 0.47 / 292 x 12 (all models)

Wheels/Tires

Wheel size and type:

CX and CXL: 17-inch painted aluminum wheels (chrome plated optional) with embossed center-position tri-shield emblem on center hub

 

Super: 18-inch painted aluminum wheels (chrome plated optional) with embossed center-position tri-shield emblem on center hub

Tires:

CX and CXL: P235/55R17 Michelin all-season steel-belted, radial ply

 

Super: P245/50R18 Bridgestone Turanza EL400 02 steel-belted, radial-ply

Dimensions

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: 63.0 / 1601with 17-inch wheels, 62.6 / 1591 with 18-inch wheels
rear: 62.5 / 1587with 17-inch wheels, 62.1 / 1577 with 18-inch wheels

Curb weight (lb / kg):

CX: 3764 / 1707
CXL: 3969 / 1800
Super: 4004 / 1816

Interior

Seating capacity (front / rear):

5 / 6 (2 or 3 front / 3 rear); 5-pass only on Super

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

Capacities

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. for all models)

Fuel tank (gal / L):

18.5 / 70

Engine oil (qt / L):

V-6: 4.5 / 4.3; V-8: 7.5 / 7.1

Cooling system (qt / L):

V-6: 11.6 / 11; V-8: 12.7 / 12

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

 

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