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    The 2007 Buick Lucerne

New for 2007

  • OnStar Directions & Connections with OnStar Turn-by-Turn navigation
  • Heated and leather-wrapped steering wheel
  • Touchscreen navigation system
  • Interior colors: Cocoa/Cashmere, Cocoa/Shale
  • Exterior colors: Light Quartz Metallic, Gold Mist Metallic
  • Chrome grille now optional on CXL and CXS

Model Lineup




3.8L V-6

4.6L V-8

4-spd auto

4-spd auto





















Not Available



The 2007 Lucerne is Buick’s most premium and elegant model to date. With its gracefully sculpted body, responsive handling and finely crafted interior, the Lucerne is the contemporary embodiment of Buick’s tradition of style, comfort and performance.

For ’07, the front-wheel drive Lucerne has added several new high-technology and comfort features to complement an already long list of offerings, including a touchscreen navigation system, OnStar’s Directions & Connections with Turn-by-Turn navigation and an available heated leather-wrapped steering wheel.

The touchscreen navigation system uses signals from global-positioning satellites to compute the vehicle’s position and display its location on a virtual map set into the instrument panel. It can also suggest the best routes to a destination as well as locations of gas stations, restaurants and other points of interest.

Additional navigation support is provided by OnStar’s Turn-by-Turn navigation, which is standard across all Buicks in 2007 . The Turn-by-Turn service allows OnStar customers to talk to a live advisor, who in turn downloads complete step-by-step directions to the vehicle through the OnStar system. Audio directions are then automatically played through the vehicle’s stereo as they are needed, triggered by the OnStar system’s GPS capabilities. This will allow drivers to be led to their destination while keeping their hands on the wheel and eyes on the road.

Lucerne offers either V-6 or V-8 power, five- or six-passenger seating configurations, and a lengthy list of innovative safety and security features. Available in three trim levels – the well-equipped CX, elegantly appointed CXL or the luxurious, performance-oriented CXS model – Lucerne is engineered to meet a wide variety of customer preferences and compete across a wide range of domestic and import entries in the upper midsize, full-size and entry-level luxury segments.

Finely-tuned ride and handling

Lucerne ’s overall ride performance is enhanced with Magnetic Ride Control. Standard on the uplevel CXS, this system uses magnetically charged particles suspended in a synthetic fluid to continuously adjust the fluid’s viscosity to varying road surfaces and driving characteristics. The system has quicker response than conventional valve-damping systems, while providing increased vehicle control and tire contact with the road surface.

Four specifically tuned suspension packages are offered. Lucerne CX is equipped with a standard Premium Ride suspension, with 16-inch wheels. CXL models with the V-6 engine benefit from a Ride and Handling suspension with a slightly firmer calibration, complemented by 17-inch wheels. CXL V-8 models also are equipped with 17-inch wheels, but with firmer damping and GM’s magnetic assist steering system. The top-end Lucerne CXS offers a sport-tuned suspension and features 18-inch wheels and Magnetic Ride Control paired with StabiliTrak and brake assist.

Lucerne has a complete range of comfort and convenience features befitting Buick’s premium image, such as heated/cooled front seats; dual-zone automatic air conditioning; factory-installed remote start; Ultrasonic Rear Parking Assist; Rainsense windshield wiper system; heated washer fluid – the first application in its class; a nine-speaker, 280-watt Harman Kardon audio system; and six-disc in-dash CD changer with MP3 capability.

Northstar power

Standard in the uplevel Lucerne CXS and available in the CXL is a premium Northstar V-8 that puts out 275 horsepower (205 kW) and 295 lb.-ft. of torque (400 Nm). As the segment’s only V-8 under $30,000, the 4.6L, 32-valve dual overhead cam all-aluminum engine is mated with GM’s electronically-controlled Hydra-Matic 4T80 four-speed automatic transaxle. Lucerne CX and CXL models have as standard GM’s proven 3.8L V-6, rated at 197 horsepower (147 kW) and 227 lb.-ft. of torque (308 Nm). The 3.8L engine is rated a Super Ultra Low Emission Vehicle. Both engines feature electronic throttle control to seamlessly match driver input with engine response while maximizing overall fuel efficiency.

Quality craftsmanship & QuietTuning

Lucerne ’s interior appointments underscore Buick’s focus on quality, comfort and spaciousness, with a precise fit to interrelating surfaces. As with the exterior, gaps are tight to create a seamless harmony between all elements. Using premium materials complemented by tasteful wood and chrome finishes and a flowing, cross-car design theme that is trimmer and sleeker than previous full-size Buick sedans, Lucerne ’s interior is as pleasing to the eye as it is to the ergonomic requirements of the driver and passengers.

Two new exterior colors – Light Quartz Metallic and Gold Mist Metallic – are available for ’07 along with new interior Cocoa/Cashmere and Cocoa/Shale combinations.

The Cocoa/Shale offering has Cocoa on the instrument panel upper trim, door upper trim, steering wheel, carpet, floor mats and rear shelf, and shale on most other interior trim parts including seats, instrument panel lower trim and door lower trim. The Cocoa/Cashmere offering changes the look by placing Cashmere on most other interior trim parts including seats, instrument panel lower trim and door lower trim.

Every Lucerne model, from the well-equipped base CX to the sporty CXS, is subject to Buick’s all-encompassing engineering initiative called QuietTuning to significantly reduce, block and absorb unwanted road, wind and powertrain noise with the goal of providing leading levels of interior cabin quietness.

Starting with a stiff body structure, extremely tight body gap tolerances and an extensive wind sealing system, additional notable QuietTuning initiatives include laminated side glass in all four moving passenger door windows; noise reducing outside rear view mirrors, lower profile “structure-less” windshield wipers with a flexible airfoil surface; a new “double-isolated” powertrain mounting system; laminated steel, composite nylon baffles in the roof pillars, rocker panels and cross-car structures; composite wheel housing liners and more.

Refinements to the 4.6L V-8 for even quieter operation include a QuietTuned engine cover, revised cam chain tensioner, camshaft cover isolator mounts, and pistons coated with a Grafal polymer for quiet operation.

These initiatives result in a library-quiet interior that is relaxing and comfortable, especially over long road trips.

Confidence and peace of mind

Lucerne ’s body structure is engineered to provide maximum occupant protection and minimum intrusion under a wide range of impact conditions. Active safety and handling features offered on Lucerne include a four-channel anti-lock braking system and traction control; an auto-level rear suspension that automatically adjusts the vehicle height for heavy loads; and four-channel StabiliTrak electronic stability control with brake assist, which senses emergency braking situations and boosts the power as needed.

All Lucerne models have six air bags standard: a dual-stage driver front air bag, side-impact thorax air bags, roof-rail curtain air bags and the segment’s only dual depth front passenger air bag. The dual depth air bag can deploy in two different shapes and pressures depending upon crash impact, seat belt usage and seat position. Working with other front passenger safety features, such as a weight-based occupant detection system, the dual depth air bag deploys in one of two different sizes from behind the instrument panel within milliseconds to provide optimal restraint for the front passenger.

In addition, the OnStar service standard on the 2007 Lucerne includes General Motors Advanced Automatic Crash Notification (AACN) system, making crash data available to the participating 911 centers to help them dispatch the appropriate life-saving personnel and equipment to crash scenes faster. OnStar features dual-mode (analog-digital) equipment and includes enhanced hands-free voice recognition capabilities to provide more intuitive continuous digit dialing and improved voice recognition accuracy. Using the GPS satellite network and wireless technology, OnStar features core safety services and OnStar Hands-Free Calling that allows drivers to make and receive voice-activated phone calls using an externally mounted antenna for greater reception.

Tradition of quality

Lucerne is manufactured at GM’s award-winning Detroit-Hamtramck Assembly Center , which earned consecutive quality awards from J.D. Power & Associates in 2004 and 2005. In 2006, the plant captured the Bronze Quality award by placing third in quality among all plants in North and South America .

*Horsepower and torque SAE certified. A new voluntary power and torque certification procedure developed by the SAE Engine Test Code committee was approved March 31, 2005 . This procedure (J2723) ensures fair, accurate ratings for horsepower and torque by allowing manufacturers to certify their engines through third-party witness testing. GM was the first automaker to begin using this procedure and expects to use it for all newly rated engines in the future.


(See GM of Canada section for Canadian product information.)



Body style / driveline:

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



EPA vehicle class:

full-size sedan

Manufacturing location:

Detroit Hamtramck Assembly, Detroit

Key competitors:

Toyota Avalon XLS, Lexus ES330


3.8L V-6 (L26)

4.6L V-8 (LD8)


std. on CX, CXL

opt. on CXL, std. on CXS


3.8L V-6

4.6L V-8

Displacement (ci / cc):

231 / 3791

279 / 4565

Bore & stroke (in / mm):

3.80 x 3.40 / 96.52 x 86.36

3.66 x 3.331 / 93 x 84

Block material:

cast iron

cast aluminum with iron-bore liners

Cylinder head material:

cast iron



overhead valve, 2 valves per cylinder

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

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:



Horsepower (hp / kw @ rpm):

197 / 147 @ 5200 est.

275 / 205 @ 6000*

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

227 / 308 @ 3800 est.

295 / 400 @ 4400*

Recommended fuel:

unleaded regular

premium recommended but not required

Maximum engine speed (rpm):



Emissions controls:

evaporative system, single close-coupled catalytic converter, positive crankcase ventilation, electronic throttle control, exhaust gas recirculation, SAI-supplemental air injection SULEV compliant

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

Fuel economy
(mpg city / hwy / combined):

19 / 28 / 25.3

17 / 26 / 23.5


Hydra-Matic 4T65

Hydra-Matic 4T80


electronically controlled 4-speed automatic with overdrive and torque converter clutch

electronically controlled 4-speed automatic with overdrive and electronically controlled torque converter clutch


3.8L V-6

4.6L V-8

Gear ratios (:1):
















Final drive ratio:




Front suspension:

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

Rear suspension:

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

Steering type:

hydraulic variable ratio rack-and-pinion (CX, CXL w/V-6), magnetic variable assist rack-and-pinion on CXL w/V-8 and CXS

Steering ratio:

15.1:1 (CX, CXL w/V-6); 14.2:1 (CXL w/V-8, CXS)

Steering wheel turns, lock-to-lock:

(est.) CX, CXL w/V-6: 2.8; CXL w/V-8: 2.2; CXS: 2.1

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

(est.) 42.2 / 12.9 w/ 16- and 17-inch wheels; 44 / 13.4 w/18-inch wheels




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

Rotor diameter x thickness
(in / mm):

front: CX, CXL w/V-6: 11.9 x 1.18 / 303 x 30; CXL w/V-8, CXS: 12.7 x 1.18 / 323 x 30
rear (all): 11.5 x 0.47 / 292 x 12

Wheel size and type:

CX: 16-inch machined aluminum with embossed center-position tri-shield emblem on center hub

CXL w/V-6 or V-8: 17-inch painted aluminum wheels (chrome plated optional) with embossed center-position tri-shield emblem on center hub

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


CX: P225/60R16 Bridgestone Insignia SE200 02 steel-belted, radial-ply

CXL (V-6 or V-8): P235/55R17 Continental Touring Contact AS (all-season) steel-belted, radial ply

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



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 16-inch or 17-inch wheels, 62.6 / 1591 with 18-inch wheels

rear: 62.5 / 1587with 16-inch or 17-inch wheels, 62.1 / 1577 with 18-inch wheels

Curb weight (lb / kg):

CX: 3764 / 1707; CXL: 3969 / 1800; CXS: 4013 / 1820


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.) for both L26 and LD8 engines

Fuel tank (gal / L):

18.5 / 70

Engine oil (qt / L):

L26: 4.5 / 4.3; LD8: 7.5 / 7.1

Cooling system (qt / L):

L26: 11.6 / 11; LD8: 12.7 / 12

Note: Information shown is current at time of publication.

Source: Buick Motor Division
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