Comparison BMW 7 Series (E23) 728i (184 Hp) Automatic & BMW 1 Series Hatchback 5dr (F20 LCI, facelift 2015) 125i (218 Hp)
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| Brand: | BMW | BMW |
| Model: | 7 Series | 1 Series |
| Generation: | 7 Series (E23) | 1 Series Hatchback 5dr (F20 LCI, facelift 2015) |
| Engine / modification: | 728i (184 Hp) Automatic | 125i (218 Hp) |
| Production start: | 1979 year | 2015 year |
| Production end: | 1983 year | 2016 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 14.5 l/100 km | 8.9 - 8.6 l/100 km |
| Fuel consumption / economy - extra urban: | 5.4 l/100 km | |
| Fuel consumption / economy - combined: | 6.7 - 6.6 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 100 l | 52 l |
| Emission standard: | EURO VI | |
| CO2 emissions: | 154 - 157 g/km | |
| Power: | 184 hp | 218 hp |
| Max power in: | 5800 rpm. | 5000 rpm. |
| Maximum speed: | 190 km/h | 245 km/h |
| Acceleration from 0 to 100 km/h: | 11.5 sec | 6.4 sec |
| Torque: | 235 Nm @ 4300 rpm. | 310 Nm @ 1350-4800 rpm. |
| Model Engine: | M30B28 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2788 cm3 | 1997 cm3 |
| Engine oil capacity: | 5.8 l | |
| Fuel System: | Multi-point injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | SOHC | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9.3 | 10 |
| Piston Stroke: | 80 mm | 90.1 mm |
| Cylinder Bore: | 86 mm | 84 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 3 | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4860 mm | 4329 mm |
| Width: | 1800 mm | 1765 mm |
| Width including mirrors: | 1984 mm | |
| Height: | 1430 mm | 1440 mm |
| Wheelbase: | 2795 mm | 2690 mm |
| Front track: | 1502 mm | 1535 mm |
| Rear (Back) track: | 1524 mm | 1569 mm |
| Ride height(clearance): | 132 mm | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Double wishbone |
| Rear suspension: | Independent, spring | Multi-link independent |
| Max weight: | 1960 kg | 1920 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1505 kg | 1355 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Tire size: | 195/70 HR14; 220/55 HR390 TRX | 205/50 R17 89Y |
| Wheel rims size: | 6.0J x 14; 165 TR 390 | 7J x 17 |