Vehicle Segment:
Full-size sedan, luxury-oriented
Target Demographic:
Buyers seeking comfortable, spacious, and refined transportation, often with a preference for American luxury brands.
Key Competitors:
Ford Taurus, Chrysler 300, Lincoln Town Car, Cadillac DTS, Toyota Avalon, Nissan Maxima.
Manual Value Proposition:
Provides direct access to the same detailed, vehicle-specific repair information used by dealership technicians, enabling DIY repairs and informed maintenance decisions.
Vehicle Selling Points:
Comfortable ride, quiet cabin, spacious interior, traditional styling, available V8 engine.
Engine Systems:
Engine mechanical, engine control system, fuel service, emission control, intake/exhaust, cooling, lubrication, ignition, starting, charging
Drivetrain Systems:
Automatic transmission, manual transmission (if applicable), transfer case/propeller shaft, drive shafts, differentials, axles, suspension
Brake Steering Systems:
Brake control, brake system, parking brake, steering column, power steering
HVAC Systems:
Air Conditioning
Safety Systems:
Supplemental Restraint System (SRS), Seat Belts
Electrical And Electronics
Electrical Systems:
Electrical, Multiplex/CAN Communication, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Locks, Meters, Audio/Visual, Horn, Instrument Panel
Body Systems:
Windshield/Glass/Mirrors, Seats, Engine Hood/Doors, Exterior & Interior components
Maintenance Procedures:
Scheduled maintenance, fluid changes, filter replacements, inspection procedures
Diagnostic Procedures:
Troubleshooting guides, symptom analysis, diagnostic trouble codes (DTCs), wiring schematics for diagnostics
Repair Procedures:
Step-by-step repair instructions for all major systems, component removal and installation, component testing and calibration
Technical Specifications:
Torque specifications, clearances, tolerances, fluid capacities, electrical values
Depth Of Coverage:
Factory-level detail for technicians, covering diagnostics, repair, and maintenance from basic to advanced levels.
Print Quality:
High-resolution, suitable for printing individual pages or sections. Images can be blown up.
Searchability:
Likely searchable within PDF reader, allowing quick access to specific topics.
Printability:
Fully printable, allowing users to print only necessary pages.
Binding Type:
Digital (PDF download), eliminating physical binding concerns.
Paper Type:
N/A (Digital format), but printable on any standard paper.
Engine Option 1 Displacement:
3.8L V6 (L36)
Engine Option 1 Horsepower:
205 hp @ 5200 rpm
Engine Option 1 Torque:
230 lb-ft @ 4000 rpm
Engine Option 2 Displacement:
3.9L V6 (LZ9) - Variable Valve Timing
Engine Option 2 Horsepower:
240 hp @ 6000 rpm
Engine Option 2 Torque:
240 lb-ft @ 4500 rpm
Engine Option 3 Displacement:
4.6L V8 (Northstar L37) - High Output
Engine Option 3 Horsepower:
292 hp @ 6300 rpm
Engine Option 3 Torque:
280 lb-ft @ 4600 rpm
Engine Cooling System:
Pressurized coolant system with engine-driven water pump and electric cooling fan.
Fuel Delivery:
Multi-port Fuel Injection (MPFI) for V6 engines, Sequential Fuel Injection (SFI) for V8 engines.
Fuel Type:
Unleaded gasoline
Transmission Option 1 Type:
4-speed automatic (4T65E) - Standard on 3.8L V6
Transmission Option 2 Type:
4-speed automatic (4T65E-HD) with driver shift control - Standard on 3.9L V6 and 4.6L V8
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF)
Drive Type:
Front-wheel drive (FWD)
Length:
Approximately 200.9 inches
Width:
Approximately 72.7 inches
Height:
Approximately 58.2 inches
Wheelbase:
Approximately 115.5 inches
Curb Weight:
Approximately 3,700 - 4,000 lbs (depending on engine and options)
Trunk Volume:
Approximately 16.9 cubic feet
NHTSA Front Driver Side Impact Rating:
5-Star (for 2009 model year)
NHTSA Front Passenger Side Impact Rating:
5-Star (for 2009 model year)
IIHS Front Offset Crash Rating:
Good (for 2009 model year)
Traction Control:
Standard
Anti Lock Brakes ABS:
Standard
Electronic Stability Control Esc:
Standard
Airbags Front:
Standard dual-stage front airbags
Airbags Side:
Standard front and rear side-curtain airbags
Seat Belt Pretensioners:
Standard front seat belt pretensioners
Infotainment System:
Available Bose premium audio system, CD player, optional navigation system, auxiliary audio input.
Parking Assistance:
Available ultrasonic rear parking assist.
Headlights:
Halogen headlights with available automatic on/off feature and fog lamps.
Remote Keyless Entry:
Standard
Onstar:
Available OnStar telematics system (subscription-based).
Oil Change Interval Synthetic:
Every 7,500 to 10,000 miles (or 12 months) with synthetic oil.
Engine Air Filter Replacement:
Inspect every 30,000 miles, replace as needed based on condition.
Cabin Air Filter Replacement:
Replace every 15,000 to 25,000 miles or annually.
Spark Plug Replacement V6:
Iridium spark plugs typically rated for 100,000 miles.
Spark Plug Replacement V8:
Iridium spark plugs typically rated for 100,000 miles.
Engine Oil Type V6:
SAE 5W-30 Synthetic (API SN or equivalent)
Engine Oil Type V8:
SAE 5W-30 Synthetic (API SN or equivalent)
Coolant Type:
GM Dex-Cool (Orange long-life coolant), silicate and borate-free.
Common Issue 1:
Front strut mounts/bearings wear and can cause clunking noises over bumps.
Common Issue 2:
Water pump leaks, especially on the 3.8L V6 engine.
Common Issue 3:
EGR (Exhaust Gas Recirculation) valve issues leading to rough idle or stalling.
Common Issue 4:
Power steering pump leaks or noise.
Common Issue 5:
Heater core leaks or AC performance issues (can be complex repairs).
Buick Legacy:
Buick has a long history of producing comfortable, refined, and often luxurious American sedans.
Lucerne Predecessors:
The Lucerne replaced the Buick LeSabre and Park Avenue. It shared its platform with the Cadillac DTS and STS.
Lucerne Generation 1 Years:
2006-2011
Manufacturing Location:
Detroit/Hamtramck Assembly, Michigan, USA
