Market Segment:
Mid-size luxury sedan
Key Competitors:
Toyota Avalon, Nissan Maxima, Ford Taurus, Chrysler 300
Value Proposition:
Comfort, quiet ride, spacious interior, premium features, and often competitive pricing relative to European luxury brands.
Licensing:
Officially licensed, derived from OE (Original Equipment) materials.
Access Period:
1 Year access included, with discounts for extension.
Device Compatibility:
PC, laptop, smartphone, tablet (requires internet connection and web browser).
Powertrain:
Engine mechanical, lubrication, cooling, fuel system, ignition, exhaust, emissions control, engine electrical, ECM/PCM diagnostics
Transmission:
Automatic transmission (e.g., 4T65-E), torque converter, shift controls, diagnostics, repair procedures
Drivetrain:
Front-wheel drive, half-shafts, CV joints, transaxle
Suspension And Steering:
Front suspension (MacPherson strut), rear suspension (multi-link), steering system (power assisted), wheel alignment, components
Brakes:
Front disc brakes, rear disc brakes, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), parking brake, hydraulic system, components
Electrical System:
Battery, charging system, starting system, lighting, instruments, gauges, power accessories, body control module (BCM), fuses, relays, wiring diagrams
HVAC:
Heating, Ventilation, and Air Conditioning system, refrigerant, controls, diagnostics, repair
Body And Trim:
Exterior panels, interior trim, doors, windows, glass, seats, roof system
Maintenance:
Oil change, filter replacement, fluid checks and changes, tire rotation, spark plug replacement, brake pad replacement, belt inspection/replacement
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, OBD-II diagnostic trouble codes (DTCs), specific system diagnostics
Repair:
Component removal and installation, sub-assembly repair, major component overhaul (e.g., engine, transmission)
Wiring Information:
Detailed electrical schematics, component location, connector identification
Depth:
Comprehensive factory-level detail suitable for professional technicians and advanced DIYers.
Engine Code:
L36 (likely, check VIN for exact variant)
Displacement:
3.8 Liters (230.5 cubic inches)
Horsepower:
205 hp @ 5200 rpm (approximate)
Torque:
230 lb-ft @ 4000 rpm (approximate)
Optional Engine:
3.6L V6 (Direct Injection)
Optional Engine Code:
LY7 (likely, check VIN for exact variant)
Optional Displacement:
3.6 Liters (217 cubic inches)
Optional Horsepower:
255 hp @ 6200 rpm (approximate)
Optional Torque:
250 lb-ft @ 5200 rpm (approximate)
Fuel Delivery:
Sequential Fuel Injection (SFI)
Recommended Fuel:
87 Octane Regular Unleaded Gasoline (91 Octane recommended for 3.6L for optimal performance)
NHTSA Front Impact Driver:
5 Stars
NHTSA Front Impact Passenger:
5 Stars
IIHS Front Offset Crash Rating:
Good
IIHS Side Impact Crash Rating:
Good
Active Safety Systems:
ABS, Traction Control, StabiliTrak (Electronic Stability Control)
Airbags:
Frontal airbags, side-impact airbags, side-curtain airbags
Oil Change Interval:
7,500 miles or 6 months, whichever comes first (with synthetic oil and filter).
Tire Rotation Interval:
7,500 miles or 6 months
Cabin Air Filter Replacement:
15,000 - 20,000 miles or 12 months.
Engine Oil Type:
SAE 5W-30 (Full Synthetic Recommended)
Engine Oil Capacity:
4.5 quarts (with filter) for 3.8L, 5.0 quarts (with filter) for 3.6L.
Transmission Fluid Type:
Dexron VI (for 4T65-E and 6T70)
Coolant Type:
GM P/N 12346290 or equivalent (Orange-colored, Dex-Cool compatible, 50/50 mix with distilled water)
Common Complaints:
Transmission issues (harsh shifting, slipping), power steering pump leaks, ignition coil failures, some electrical glitches.
Buick Legacy:
Known for comfort, quietness, and a degree of luxury within the mainstream American market.
Lacrosse Positioning:
Replaced the Buick Park Avenue and Century, intended to be a more modern and globally-influenced sedan for Buick.
Manufacturing Location:
Kansas City, Kansas, USA (for North American market)
