Comparison BMW 8 Series Convertible (G14) 840i (340 Hp) xDrive Steptronic & BMW 8 Series Convertible (G14) 840i (333 Hp) xDrive Steptronic & Mercedes-Benz Citan Tourer Long (W415) 112 (114 Hp) BlueEFFICIENCY
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| Brand: | BMW | BMW | Mercedes-Benz |
| Model: | 8 Series | 8 Series | Citan |
| Generation: | 8 Series Convertible (G14) | 8 Series Convertible (G14) | Citan Tourer Long (W415) |
| Engine / modification: | 840i (340 Hp) xDrive Steptronic | 840i (333 Hp) xDrive Steptronic | 112 (114 Hp) BlueEFFICIENCY |
| Production start: | 2019 year | 2020 year | 2013 year |
| Production end: | 2020 year | 2015 year | |
| Coupe type: | Cabriolet | Cabriolet | MPV |
| Num. of Doors: | 2 | 2 | 5 |
| Num. of seats: | 4 | 4 | 5 |
| Fuel consumption / economy - urban: | 9.7-9.8 l/100 km | ||
| Fuel consumption / economy - extra urban: | 6.6-6.7 l/100 km | ||
| Fuel consumption / economy - combined: | 7.7-7.8 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.31 | 0.30 | |
| Fuel tank volume: | 68 l | 68 l | 60 l |
| Emission standard: | Euro 6d - TEMP | Euro 6d | Euro 5 |
| CO2 emissions: | 175-178 g/km | ||
| Power: | 340 hp | 333 hp | 114 hp |
| Max power in: | 5000-6500 rpm. | 5500-6250 rpm. | 4500 rpm. |
| Maximum speed: | 250 km/h | 250 km/h | |
| Acceleration from 0 to 100 km/h: | 4.9 sec | 5.2 sec | |
| Torque: | 500 Nm @ 1600-4500 rpm. | 500 Nm @ 1700-4000 rpm. | 190 Nm @ 2000-4000 rpm. |
| Model Engine: | B58B30 | M 200.71 12LA | |
| Engine position: | Front, longitudinal | Front, longitudinal | |
| Engine displacement: | 2998 cm3 | 2998 cm3 | 1192 cm3 |
| Engine oil capacity: | 6.5 l | 6.5 l | 4.8 l |
| Coolant: | 10.3 l | ||
| Fuel System: | Direct injection | Direct injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | ||
| Position of cylinders: | Inline | Inline | Inline |
| Valvetrain: | VALVETRONIC | DOHC | |
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 11 | 11 | |
| Piston Stroke: | 94.6 mm | 94.6 mm | 73.2 mm |
| Cylinder Bore: | 82 mm | 82 mm | 72 mm |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 8 Steptronic | |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4843 mm | 4843 mm | 4321 mm |
| Width: | 1902 mm | 1902 mm | 1829 mm |
| Width including mirrors: | 2137 mm | 2138 mm | |
| Height: | 1339 mm | 1339 mm | 1809 mm |
| Wheelbase: | 2822 mm | 2822 mm | 2697 mm |
| Front track: | 1627 mm | 1627 mm | |
| Rear (Back) track: | 1642 mm | 1642 mm | |
| Ride height(clearance): | 118 mm | 118 mm | |
| Front overhang: | 953 mm | ||
| Rear overhang: | 1076 mm | ||
| Minimum volume of Luggage (trunk): | 280 l | 350 l | 685 l |
| Maximum amount of Luggage (trunk): | 350 l | 3000 l | |
| Front suspension: | Double wishbone | Double wishbone | McPherson |
| Rear suspension: | Multi-link independent | Multi-link independent | Torsion |
| Max weight: | 2400 kg | 2400 kg | 1920 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Disc |
| Rear brakes: | Ventilated discs | Ventilated discs | Disc |
| Kerb Weight: | 1880 kg | 1915 kg | 1365 kg |
| ABS: | yes | ||
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Electric Steering | Electric Steering | |
| Max. roof load: | 100 kg | ||
| Permitted trailer load with brakes (8%): | 1305 kg | ||
| Minimum turning circle (turning diameter): | 11.9 m | 11.6 m | 11.2 m |
| Permitted trailer load with brakes (12%): | 1305 kg | 1050 kg | |
| Permitted trailer load without brakes: | 690 kg | ||
| Permitted towbar download: | 75 kg | ||
| Tire size: | 245/45 R18 100Y XL; 275/40 R18 103Y XL | Front wheel tires: 245/45 R18 100Y XL | 195/65 R15 |
| Wheel rims size: | 8J x 18; 9J x 18 | Front wheel rims: 8J x 18 | 6.5J x 15 |