Comparison BMW 8 Series (G15) 840i (340 Hp) xDrive Steptronic & Buick Park Avenue (CW52K) 3.8 i V6 (208 Hp)
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| Brand: | BMW | Buick |
| Model: | 8 Series | Park Avenue |
| Generation: | 8 Series (G15) | Park Avenue (CW52K) |
| Engine / modification: | 840i (340 Hp) xDrive Steptronic | 3.8 i V6 (208 Hp) |
| Production start: | 2019 year | 1996 year |
| Production end: | 2020 year | 2005 year |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 4 | 5 |
| Fuel consumption / economy - urban: | 9.5-9.6 l/100 km | 11.8 l/100 km |
| Fuel consumption / economy - extra urban: | 6.4-6.5 l/100 km | 8.1 l/100 km |
| Fuel consumption / economy - combined: | 7.5-7.7 l/100 km | 9.8 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.30 | |
| Fuel tank volume: | 68 l | 68 l |
| Emission standard: | Euro 6d - TEMP | |
| CO2 emissions: | 172-174 g/km | |
| Power: | 340 hp | 208 hp |
| Max power in: | 5000-6500 rpm. | 5200 rpm. |
| Maximum speed: | 250 km/h | 200 km/h |
| Acceleration from 0 to 100 km/h: | 4.7 sec | 9.5 sec |
| Torque: | 500 Nm @ 1600-4500 rpm. | 312 Nm @ 4000 rpm. |
| Model Engine: | B58B30 | L36 |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 2998 cm3 | 3791 cm3 |
| Engine oil capacity: | 6.5 l | 4.3 l |
| Coolant: | 12.3 l | |
| Fuel System: | Direct injection | Multi-point injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | V engine |
| Valvetrain: | - | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 11 | 9.4 |
| Piston Stroke: | 94.6 mm | 86.4 mm |
| Cylinder Bore: | 82 mm | 96.5 mm |
| Wheel Drive: | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 4 |
| Length: | 4843 mm | 5229 mm |
| Width: | 1902 mm | 1883 mm |
| Width including mirrors: | 2137 mm | |
| Height: | 1341 mm | 1399 mm |
| Wheelbase: | 2822 mm | 2815 mm |
| Front track: | 1627 mm | 1535 mm |
| Rear (Back) track: | 1642 mm | 1540 mm |
| Ride height(clearance): | 121 mm | |
| Front overhang: | 953 mm | |
| Rear overhang: | 1076 mm | |
| Minimum volume of Luggage (trunk): | 420 l | |
| Maximum amount of Luggage (trunk): | 500 l | |
| Front suspension: | Double wishbone | Wishbone |
| Rear suspension: | Multi-link independent | The depreciated rack |
| Max weight: | 2280 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Drum |
| Kerb Weight: | 1770 kg | 1602 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Max. roof load: | 75 kg | |
| Minimum turning circle (turning diameter): | 11.9 m | |
| Tire size: | 245/45 R18 100Y XL; 275/40 R18 103Y XL | 225/60 R16 |
| Wheel rims size: | 8J x 18; 9J x 18 | 6.5J x 16 |