Comparison Buick Lucerne 4.5 i V8 32V (279 Hp) & Buick LaCrosse I (facelift 2008) 3.8 i V6 (200 Hp) Automatic & Buick Excelle GX II (facelift 2018) 15S (118 Hp) Automatic & Buick Regal IV Sedan 3.8 V6 (203 Hp) Automatic
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| Brand: | Buick | Buick | Buick | Buick |
| Model: | Lucerne | LaCrosse | Excelle GT | Regal |
| Generation: | Lucerne | LaCrosse I (facelift 2008) | Excelle GX II (facelift 2018) | Regal IV Sedan |
| Engine / modification: | 4.5 i V8 32V (279 Hp) | 3.8 i V6 (200 Hp) Automatic | 15S (118 Hp) Automatic | 3.8 V6 (203 Hp) Automatic |
| Production start: | 2005 year | 2008 year | 2018 year | 1997 year |
| Production end: | 2009 year | 2004 year | ||
| Coupe type: | Sedan | Sedan | Combi | Sedan |
| Powertrain Architecture: | Internal Combustion engine | |||
| Num. of Doors: | 4 | 4 | 5 | 4 |
| Num. of seats: | 5 | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 13.9 l/100 km | 13.8 l/100 km | 12.4 l/100 km | |
| Fuel consumption / economy - extra urban: | 9.1 l/100 km | 8.4 l/100 km | 8.1 l/100 km | |
| Fuel consumption / economy - combined: | 6.1 l/100 km | 9.8 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.32 | |||
| Fuel tank volume: | 70 l | 66.2 l | 52 l | 64 l |
| Power: | 279 hp | 200 hp | 118 hp | 203 hp |
| Max power in: | 5600 rpm. | 5200 rpm. | 6600 rpm. | 5200 rpm. |
| Maximum speed: | 180 km/h | 195 km/h | ||
| Acceleration from 0 to 100 km/h: | 12.8 sec | 9.2 sec | ||
| Torque: | 407 Nm/4400 rpm. | 312 Nm @ 4000 rpm. | 146 Nm @ 4000 rpm. | 305 Nm @ 4000 rpm. |
| Model Engine: | 3800 Series III V6 | L36 | ||
| Engine position: | Front, longitudinal | Front, transverse | Front, transverse | |
| Engine displacement: | 4565 cm3 | 3791 cm3 | 1490 cm3 | 3791 cm3 |
| Engine oil capacity: | 4.3 l | 4.3 l | ||
| Coolant: | 10.6 l | 11.5 l | ||
| Fuel System: | Multi-point injection | Direct injection | Multi-point injection | |
| Aspiration / Turbine: | Naturally aspirated engine | Turbocharger | ||
| Position of cylinders: | V engine | Inline | V engine | |
| Valvetrain: | - | |||
| Number of cylinders: | 8 | 6 | 4 | 6 |
| Number of valves per cylinder: | 4 | 2 | 4 | 2 |
| Compression ratio: | 10 | 9.4 | 9.4 | |
| Piston Stroke: | 84 mm | 86.36 mm | 86.36 mm | |
| Cylinder Bore: | 93 mm | 96.52 mm | 96.52 mm | |
| Wheel Drive: | Front wheel drive | Front wheel drive | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 4 | 6 DSS | 4 Hydramatic | |
| Length: | 5182 mm | 5030 mm | 4718 mm | 4983 mm |
| Width: | 1880 mm | 1855 mm | 1802 mm | 1847 mm |
| Height: | 1473 mm | 1460 mm | 1466 mm | 1438 mm |
| Wheelbase: | 2934 mm | 2805 mm | 2700 mm | 2769 mm |
| Front track: | 1589 mm | 1565 mm | 1540 mm | 1575 mm |
| Rear (Back) track: | 1578 mm | 1560 mm | 1558 mm | 1557 mm |
| Minimum volume of Luggage (trunk): | 481 l | 455 l | 460 l | 473 l |
| Front suspension: | The depreciated rack | Independent type McPherson | Independent type McPherson | |
| Rear suspension: | Helical spring | Multi-link independent | Independent, spring | |
| Max weight: | 2000 kg | |||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Disc | Disc |
| Kerb Weight: | 1855 kg | 1611-1604 kg | 1295 kg | 1600 kg |
| ABS: | yes | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |||
| Tire size: | 245/55 R18 | 225/60 R16 | 205/55 R16 | 215/70 R15 |
| Wheel rims size: | 6.5J x 16 | R16 | 6J x 15 |