Comparison BMW 7 Series (E23) 728 (170 Hp) & Mercedes-Benz B-class (W246) B 160 CDI (90 Hp)
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| Brand: | BMW | Mercedes-Benz |
| Model: | 7 Series | B-class |
| Generation: | 7 Series (E23) | B-class (W246) |
| Engine / modification: | 728 (170 Hp) | B 160 CDI (90 Hp) |
| Production start: | 1977 year | 2013 year |
| Production end: | 1979 year | |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 5.2-4.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 4.1-3.7 l/100 km | |
| Fuel consumption / economy - combined: | 4.5-4.1 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Fuel tank volume: | 90 l | 50 l |
| Emission standard: | EURO V | |
| CO2 emissions: | 117-108 g/km | |
| Power: | 170 hp | 90 hp |
| Max power in: | 5800 rpm. | 2750-4000 rpm. |
| Maximum speed: | 192 km/h | 180 km/h |
| Acceleration from 0 to 100 km/h: | 10.1 sec | 14.0 sec |
| Torque: | 233 Nm @ 4000 rpm. | 240 Nm/1700-2500 rpm. |
| Model Engine: | M30B28 | OM 607 DE 15 LA |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 2788 cm3 | 1461 cm3 |
| Engine oil capacity: | 5.8 l | |
| Fuel System: | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | SOHC | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9 | 15.5 |
| Piston Stroke: | 80 mm | |
| Cylinder Bore: | 86 mm | |
| Wheel Drive: | Front wheel drive | |
| Number of Gears (manual transmission): | 5 | 6 |
| Length: | 4860 mm | 4359 mm |
| Width: | 1800 mm | 1786 mm |
| Height: | 1430 mm | 1557 mm |
| Wheelbase: | 2795 mm | 2699 mm |
| Front track: | 1502 mm | 1552 mm |
| Rear (Back) track: | 1524 mm | 1549 mm |
| Ride height(clearance): | 132 mm | |
| Minimum volume of Luggage (trunk): | 488 l | |
| Maximum amount of Luggage (trunk): | 1547 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | McPherson |
| Rear suspension: | Independent, spring | Trailing |
| Max weight: | 2000 kg | 2000 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1530 kg | 1435 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 11 m | |
| Tire size: | 195/70 R14 | 195/65 R15 |
| Wheel rims size: | 6.0J x 14 | R15 |