Market Position:
The Buick Lucerne was positioned as a premium American sedan, emphasizing comfort, quietness, and a smooth ride, often targeting an older demographic seeking a refined driving experience.
Competitors:
Competed with other large sedans of its era, including the Lincoln Town Car, Chrysler 300, Cadillac DTS, and Mercury Grand Marquis. Key differentiators were its front-wheel-drive platform (compared to RWD competitors) and a focus on luxury features.
Key Features Vehicle:
Available V8 engine option (Northstar), StabiliTrak stability control, Magnetic Ride Control (optional), QuietTuning for noise reduction, spacious interior, comfortable ride quality.
Engine Mechanical:
Engine assembly, cylinder heads, pistons, connecting rods, crankshaft, lubrication system, cooling system, timing system, fuel system, exhaust system (both 3.8L V6 and 4.6L V8)
Transmission:
Automatic transmission (likely 4T65-E for V6 and 4T80-E for V8) overhaul, service, diagnostics, and fluid specifications
Drivetrain:
Axles, driveshafts, differential, hub assemblies
Brakes:
Brake system components, hydraulic system, ABS, EBD, brake rotor and pad service, bleeding procedures
Steering Suspension:
Power steering system, steering gear, suspension components (struts, shocks, control arms, ball joints), wheel alignment specifications
Electrical Lighting:
Battery, charging system, starting system, lighting system (headlights, taillights, interior), fuses, relays
HVAC:
Heating, ventilation, and air conditioning system components, refrigerant handling, diagnostics
Body Exterior:
Body panels, doors, hood, trunk, bumpers, glass, mirrors, trim
Body Interior:
Interior trim panels, seats, dashboard, carpeting, headliner
Diagnostics Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, diagnostic procedures for all major systems
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tune-ups
Repair:
Step-by-step repair instructions for component replacement and overhaul (e.g., engine rebuild, transmission repair, brake caliper replacement)
Disassembly Assembly:
Complete disassembly and reassembly procedures for all major vehicle components
Electrical Diagnostics:
Wiring diagrams, circuit testing, component testing for electrical systems
Specifications Tolerances:
Torque specifications, clearances, alignment data, fluid capacities, electrical resistance values
Depth:
Comprehensive, covering routine maintenance, in-depth diagnostics, component replacement, and complete rebuilds. Suitable for DIY and professional mechanics.
Engine Type:
3.8L V6 (3800 Series III)
Engine Configuration:
3.8L naturally aspirated overhead valve (OHV) V6
Horsepower 3.8L:
Approximately 200-205 hp (varies slightly by year/tune)
Torque 3.8L:
Approximately 230-235 lb-ft (varies slightly by year/tune)
Fuel System 3.8L:
Sequential multi-port fuel injection (MFI)
Engine Type:
4.6L Northstar V8
Engine Configuration:
4.6L naturally aspirated dual overhead camshaft (DOHC) V8
Horsepower 4.6L:
Approximately 275-292 hp (varies by year/tune, e.g., CXS model often had higher output)
Torque 4.6L:
Approximately 295-315 lb-ft (varies by year/tune)
Fuel System 4.6L:
Sequential multi-port fuel injection (MFI)
NHTSA Frontal Driver:
5-star (typically for 2006-2011 models, consult specific year for variations)
NHTSA Frontal Passenger:
5-star (typically for 2006-2011 models)
NHTSA Side Driver:
4-star or 5-star (varies by year and specific testing)
NHTSA Side Passenger:
4-star or 5-star (varies by year and specific testing)
IIHS Frontal Offset:
Good (typically for models with specific airbag systems)
Active Safety Features:
Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Stability Control (standard or optional depending on trim and year)
Passive Safety Features:
Front airbags, front side-impact airbags, available rear side-impact airbags, front seatbelt pretensioners, LATCH child seat anchors
Infotainment Features:
Available Bose premium audio system, OnStar communication system, CD player, available satellite radio, optional navigation system (later models).
Driver Assistance Features:
Park Assist (rear parking sensors), StabiliTrak stability control, ABS, Traction Control. Higher trims might have features like heated seats, dual-zone climate control.
Connectivity Options:
OnStar (telematics), auxiliary input jack for audio devices (later models).
Oil Change Interval:
Typically 5,000 - 7,500 miles or every 6 months, depending on driving conditions and oil used. Refer to manual for specific GM oil life monitoring system recommendations.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (typically every 30,000 miles or sooner if dirty).
Spark Plugs 3.8L:
Typically iridium plugs, recommended replacement around 100,000 miles.
Spark Plugs 4.6L:
Typically iridium plugs, recommended replacement around 100,000 miles.
Engine Oil 3.8L:
SAE 3.8L 5W-30 Synthetic (API certified SN or later). Capacity: Approx. 4.5 quarts with filter.
Engine Oil 4.6L:
SAE 4.6L 5W-30 Synthetic (API certified SN or later). Capacity: Approx. 4.0 quarts with filter.
Coolant Type:
GM P/N 89022778, Dex-Cool® (Orange) Long Life Antifreeze/Coolant, or equivalent. Capacity: Approx. 15.2 quarts.
Common Issues:
Intake manifold gasket leaks (3800 V6), cooling system issues (Northstar V8), power steering pump leaks, ABS sensor failures, catalytic converter issues, torque converter shudder (automatic transmission).
Brand Heritage:
Buick, a division of General Motors, has a long history of producing comfortable and luxurious American vehicles, known for its refined styling and quiet interiors.
Model Evolution:
The Lucerne replaced the Buick LeSabre and Park Avenue. It was built on the GM G-body platform, sharing components with other GM full-size sedans. The Lucerne was characterized by its focus on ride comfort and quietness, offering both V6 and V8 powertrains.
Production Location:
Detroit/Hamtramck Assembly Plant, Michigan, USA
Production Years Model:
2006-2011
