Comparison BMW 7 Series (G70) 740i (380 Hp) MHEV Steptronic & Mercedes-Benz Viano (W639 facelift 2010) 3.5 (258 Hp) Automatic & Mercedes-Benz C-class T-mod (S204 facelift 2011) C 180 (156 Hp) G-TRONIC
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| Brand: | BMW | Mercedes-Benz | Mercedes-Benz |
| Model: | 7 Series | Viano | C-class |
| Generation: | 7 Series (G70) | Viano (W639 facelift 2010) | C-class T-mod (S204 facelift 2011) |
| Engine / modification: | 740i (380 Hp) MHEV Steptronic | 3.5 (258 Hp) Automatic | C 180 (156 Hp) G-TRONIC |
| Production start: | 2022 year | 2010 year | 2011 year |
| Production end: | 2014 year | ||
| Coupe type: | Sedan | Minivan | Combi |
| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) | ||
| Num. of Doors: | 4 | 5 | 5 |
| Num. of seats: | 5 | 6 | 5 |
| Fuel consumption / economy - urban: | 16.5-16.3 l/100 km | 7.9-7.6 l/100 km | |
| Fuel consumption / economy - extra urban: | 9.5-9.3 l/100 km | 5.5-4.9 l/100 km | |
| Fuel consumption / economy - combined: | 12.1-11.9 l/100 km | 6.4-5.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.26 | ||
| Fuel tank volume: | 74 l | 75 l | 59 l |
| Combined fuel consumption (WLTP): | 7-8 l/100 km | ||
| Emission standard: | Euro 6d | EURO VI | |
| CO2 emissions: | 284-279 g/km | 149-139 g/km | |
| Power: | 380 hp | 258 hp | 156 hp |
| Max power in: | 5200-6250 rpm. | 5900 rpm. | 5300 rpm. |
| Maximum speed: | 250 km/h | 217 km/h | 216 km/h |
| Acceleration from 0 to 100 km/h: | 5.4 sec | 8.7 sec | 8.7 sec |
| CO2 emissions (WLTP): | 159-183 g/km | ||
| Torque: | 520 Nm @ 1850-5000 rpm. | 340 Nm @ 2500-5000 rpm. | 250 Nm/1250-4000 rpm. |
| Model Engine: | M 271 DE 18 AL red. | ||
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2998 cm3 | 3498 cm3 | 1595 cm3 |
| Fuel System: | Direct injection | Diesel Commonrail | Direct injection |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | Turbocharging | |
| Position of cylinders: | Inline | V engine | Inline |
| Valvetrain: | VALVETRONIC | ||
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 | |
| Compression ratio: | 11 | 10.3 | |
| Piston Stroke: | 94.6 mm | ||
| Cylinder Bore: | 82 mm | ||
| Electric motor power: | 18 | ||
| Electric motor Torque: | 200 Nm | ||
| Battery voltage: | 48 V | ||
| System power: | 380 Hp hp/ rpm. | ||
| System torque: | 540 Nm Nm/ rpm. | ||
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 5-G NAG | 7G-TRONIC PLUS |
| Length: | 5391 mm | 4763 mm | 4606 mm |
| Width: | 1950 mm | 1901 mm | 1770 mm |
| Height: | 1544 mm | 1875 mm | 1459 mm |
| Wheelbase: | 3215 mm | 3200 mm | 2760 mm |
| Front track: | 1713 mm | 1541 mm | |
| Rear (Back) track: | 1736 mm | 1544 mm | |
| Minimum volume of Luggage (trunk): | 540 l | 485 l | |
| Maximum amount of Luggage (trunk): | 1500 l | ||
| Front suspension: | Independent multi-link | ||
| Rear suspension: | Multi-link independent | ||
| Max weight: | 2785 kg | 2800 kg | 2085 kg |
| Front brakes: | Ventilated discs | Ventilated discs | |
| Rear brakes: | Ventilated discs | Disc | |
| Kerb Weight: | 2090-2165 kg | 2040 kg | 1545 kg |
| ABS: | yes | 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): | 12.9 m | 10.84 m | |
| Permitted trailer load with brakes (12%): | 2100 kg | ||
| Permitted trailer load without brakes: | 750 kg | ||
| Permitted towbar download: | 85 kg | ||
| Tire size: | 245/50 R19 | 225/55 R17 | 205/55 R 16 |
| Wheel rims size: | 8.5J x 19 | R17 | R16 |