Comparison BMW 1 Series Convertible (E88 LCI, facelift 2011) 120i (170 Hp) & BMW 7 Series (G11) 750i (450 Hp) Steptronic & Vauxhall Astra Mk IV Estate 2.0 DI (82 Hp)
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| Brand: | BMW | BMW | Vauxhall |
| Model: | 1 Series | 7 Series | Astra |
| Generation: | 1 Series Convertible (E88 LCI, facelift 2011) | 7 Series (G11) | Astra Mk IV Estate |
| Engine / modification: | 120i (170 Hp) | 750i (450 Hp) Steptronic | 2.0 DI (82 Hp) |
| Production start: | 2011 year | 2015 year | 1998 year |
| Production end: | 2013 year | 2019 year | 2000 year |
| Coupe type: | Cabriolet | Sedan | Combi |
| Num. of Doors: | 2 | 4 | 5 |
| Num. of seats: | 4 | 5 | 5 |
| Fuel consumption / economy - urban: | 8.8 l/100 km | 11.1-11.4 l/100 km | 7.7 l/100 km |
| Fuel consumption / economy - extra urban: | 5.6 l/100 km | 6.1-6.2 l/100 km | 5 l/100 km |
| Fuel consumption / economy - combined: | 6.8 l/100 km | 7.9-8.1 l/100 km | 6 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.34 | 0.26 | |
| Fuel tank volume: | 53 l | 78 l | 52 l |
| Emission standard: | Euro 5 | EURO VI | |
| CO2 emissions: | 158 g/km | 184-189 g/km | 161 g/km |
| Power: | 170 hp | 450 hp | 82 hp |
| Max power in: | 6700 rpm. | 5500-6000 rpm. | 4300 rpm. |
| Maximum speed: | 220 km/h | 250 km/h | 174 km/h |
| Acceleration from 0 to 100 km/h: | 8.4 sec | 4.7 sec | 15 sec |
| Torque: | 210 Nm @ 4250 rpm. | 650 Nm @ 1800-4500 rpm. | 185 Nm/1800 rpm. |
| Model Engine: | N43B20 | ||
| Engine position: | Front, longitudinal | Front, longitudinal | Front, transverse |
| Engine displacement: | 1995 cm3 | 4395 cm3 | 1995 cm3 |
| Engine oil capacity: | 4.25 l | 9.5 l | |
| Coolant: | 7.2 l | ||
| Fuel System: | Direct injection | Direct injection | Diesel - Standard diesel injection (SDI) |
| Aspiration / Turbine: | Twin-power turbo | Turbocharging | |
| Position of cylinders: | Inline | V engine | Inline |
| Number of cylinders: | 4 | 8 | 4 |
| Number of valves per cylinder: | 4 | 4 | |
| Compression ratio: | 12 | 10.5 | |
| Piston Stroke: | 90 mm | 88.3 mm | |
| Cylinder Bore: | 84 mm | 89 mm | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | |
| Number of Gears (automatic transmission): | 8 Steptronic | ||
| Number of Gears (manual transmission): | 6 | 5 | |
| Length: | 4360 mm | 5098 mm | 4290 mm |
| Width: | 1748 mm | 1902 mm | 1709 mm |
| Height: | 1411 mm | 1478 mm | 1509 mm |
| Wheelbase: | 2660 mm | 3070 mm | 2611 mm |
| Front track: | 1480 mm | 1612 mm | 1481 mm |
| Rear (Back) track: | 1513 mm | 1640 mm | |
| Ride height(clearance): | 140 mm | 135 mm | 140 mm |
| Minimum volume of Luggage (trunk): | 260 l | 515 l | 481 l |
| Maximum amount of Luggage (trunk): | 305 l | ||
| Front suspension: | Double wishbone | Double wishbone | |
| Rear suspension: | Multi-link independent | Multi-link independent | |
| Max weight: | 1870 kg | 2515 kg | 1830 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Ventilated discs | Drum |
| Kerb Weight: | 1430 kg | 1820 kg | 1230 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Max. roof load: | 100 kg | ||
| Minimum turning circle (turning diameter): | 10.7 m | 12.3 m | |
| Permitted trailer load with brakes (12%): | 1200 kg | 2100 kg | |
| Permitted trailer load without brakes: | 680 kg | 750 kg | |
| Permitted towbar download: | 75 kg | 100 kg | |
| Tire size: | 205/55 R16 91V | 245/50 R18 100Y; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 | 195/60 R15 |
| Wheel rims size: | 7J x 16 | 8J x 18; 8.5J x 19; 9.5J x 19; 8.5J x 20; 10J x 20; 8.5J x 21; 10J x 21 | R15 |