Comparison Buick LaCrosse II 2.4 Ecotec (182 Hp) Automatic & Buick Excelle GX II (facelift 2018) 15S (118 Hp) & BYD Song Plus DM-i 1.5 (290 Hp) EHS & BMW 8 Series Convertible (G14, facelift 2022) M850i (530 Hp) xDrive Steptronic Sport
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| Brand: | Buick | Buick | BYD | BMW |
| Model: | LaCrosse | Excelle GT | Song | 8 Series |
| Generation: | LaCrosse II | Excelle GX II (facelift 2018) | Song Plus | 8 Series Convertible (G14, facelift 2022) |
| Engine / modification: | 2.4 Ecotec (182 Hp) Automatic | 15S (118 Hp) | DM-i 1.5 (290 Hp) EHS | M850i (530 Hp) xDrive Steptronic Sport |
| Production start: | 2011 year | 2018 year | 2020 year | 2022 year |
| Production end: | 2012 year | |||
| Coupe type: | Sedan | Combi | Cabriolet | |
| Powertrain Architecture: | Internal Combustion engine | PHEV (Plug-in Hybrid Electric Vehicle) | Internal Combustion engine | |
| Num. of Doors: | 4 | 5 | 5 | 2 |
| Num. of seats: | 5 | 5 | 5 | 4 |
| Fuel consumption / economy - urban: | 12.4 l/100 km | |||
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | |||
| Fuel consumption / economy - combined: | 5.9 l/100 km | |||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol / electricity | Petrol (Gasoline) |
| Fuel tank volume: | 70.5 l | 52 l | 60 l | 68 l |
| Combined fuel consumption (WLTP): | 10.7-11 l/100 km | |||
| Emission standard: | China VI | Euro 6d | ||
| Power: | 182 hp | 118 hp | 110 hp | 530 hp |
| Max power in: | 6700 rpm. | 6600 rpm. | 5500-6000 rpm. | |
| Maximum speed: | 185 km/h | 250 , Electronically limited km/h | ||
| Acceleration from 0 to 100 km/h: | 12.2 sec | 8.5 sec | 4.1 sec | |
| CO2 emissions (WLTP): | 243-249 g/km | |||
| Torque: | 233 Nm @ 4900 rpm. | 146 Nm @ 4000 rpm. | 135 Nm | 750 Nm @ 1800-4600 rpm. |
| Model Engine: | LEA | Xiaoyun | N63B44D | |
| Engine position: | Front, transverse | Front, transverse | Front, longitudinal | |
| Engine displacement: | 2384 cm3 | 1490 cm3 | 1498 cm3 | 4395 cm3 |
| Engine oil capacity: | 4.7 l | 10.5 l | ||
| Coolant: | 7.1 l | 10 l | ||
| Fuel System: | Direct injection | Multi-point indirect injection | Direct injection | |
| Maximum engine speed: | 7000 rpm. | |||
| Aspiration / Turbine: | Naturally aspirated engine | Turbocharger | Naturally aspirated engine | BiTurbo |
| Position of cylinders: | Inline | Inline | V engine | |
| Valvetrain: | OHC, CVVT | DOHC, VVT | ||
| Number of cylinders: | 4 | 4 | 4 | 8 |
| Number of valves per cylinder: | 4 | 4 | 4 | 4 |
| Compression ratio: | 11.2 | 10.5 | ||
| Piston Stroke: | 98 mm | 88.3 mm | ||
| Cylinder Bore: | 88 mm | 89 mm | ||
| Electric motor power: | 180 | |||
| Electric motor Torque: | 316 Nm | |||
| System power: | 290 Hp hp/ rpm. | |||
| Wheel Drive: | Front wheel drive | Front wheel drive | Front wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Steptronic Sport | |||
| Number of Gears (manual transmission): | 6 | |||
| Length: | 5003 mm | 4718 mm | 4705 mm | 4851 mm |
| Width: | 1858 mm | 1802 mm | 1890 mm | 1902 mm |
| Width including mirrors: | 2137 mm | |||
| Height: | 1503 mm | 1466 mm | 1680 mm | 1345 mm |
| Wheelbase: | 2837 mm | 2700 mm | 2765 mm | 2822 mm |
| Front track: | 1567 mm | 1540 mm | 1630 mm | 1627 mm |
| Rear (Back) track: | 1576 mm | 1558 mm | 1630 mm | 1642 mm |
| Front overhang: | 953 mm | |||
| Rear overhang: | 1076 mm | |||
| Minimum volume of Luggage (trunk): | 460 l | 280-350 l | ||
| Maximum amount of Luggage (trunk): | 376 l | |||
| Front suspension: | Independent type McPherson | Independent type McPherson | Double wishbone | |
| Rear suspension: | Multi-link independent | Multi-link independent | ||
| Max weight: | 2515 kg | |||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs | |
| Rear brakes: | Disc | Disc | Ventilated discs | |
| Kerb Weight: | 1737-1826 kg | 1260 kg | 2050 kg | |
| ABS: | yes | |||
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Electric Steering | Electric Steering | Electric Steering | |
| Minimum turning circle (turning diameter): | 11.75 m | 11.1 m | 11.9 m | |
| Tire size: | 245/50 R17; 245/45 R18 | 205/55 R16 | 235/50 R19 | 245/35 R20; 275/30 R20 |
| Wheel rims size: | R16 | 19 | 8J x 20; 9J x 20 |