Comparison Rover 75 (RJ) 2.5 V6 (177 Hp) Automatic & Opel Astra J Sports Tourer (facelift 2012) 1.4 LPG (140 Hp) Ecotec & BMW 7 Series (E65) 745i (333 Hp) Steptronic
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| Brand: | Rover | Opel | BMW |
| Model: | 75 | Astra | 7 Series |
| Generation: | 75 (RJ) | Astra J Sports Tourer (facelift 2012) | 7 Series (E65) |
| Engine / modification: | 2.5 V6 (177 Hp) Automatic | 1.4 LPG (140 Hp) Ecotec | 745i (333 Hp) Steptronic |
| Production start: | 1999 year | 2012 year | 2001 year |
| Production end: | 2005 year | 2015 year | 2005 year |
| Coupe type: | Sedan | Combi | Sedan |
| Num. of Doors: | 4 | 5 | 4 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 15.5 l/100 km | 8.1 l/100 km | 16.2 l/100 km |
| Fuel consumption / economy - extra urban: | 7.5 l/100 km | 5.0 l/100 km | 8.6 l/100 km |
| Fuel consumption / economy - combined: | 10.5 l/100 km | 6.1 l/100 km | 11.4 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol / LPG | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | ||
| Fuel tank volume: | 65 l | 56 l | 88 l |
| Emission standard: | Euro 5 | Euro 3 | |
| CO2 emissions: | 249 g/km | 152 g/km | |
| Power: | 177 hp | 140 hp | 333 hp |
| Max power in: | 6500 rpm. | 4900-6000 rpm. | 6100 rpm. |
| Maximum speed: | 220 km/h | 200 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 9.5 sec | 10.8 sec | 6.3 sec |
| Torque: | 240 Nm @ 4000 rpm. | 200 Nm @ 1850-4900 rpm. | 450 Nm @ 3600 rpm. |
| Model Engine: | KV6 | A14NET | N62B44 |
| Engine position: | Front, transverse | Front, transverse | Front, longitudinal |
| Engine displacement: | 2497 cm3 | 1364 cm3 | 4398 cm3 |
| Engine oil capacity: | 5.2 l | 4.0 l | 8 l |
| Coolant: | 7.5 l | 14.1 l | |
| Fuel System: | Multi-point injection | Multi-point injection | Multi-point injection |
| Position of cylinders: | V engine | Inline | V engine |
| Valvetrain: | DOHC | DOHC | |
| Number of cylinders: | 6 | 4 | 8 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 10.5 | 10 | |
| Piston Stroke: | 82.8 mm | 82.6 mm | 82.7 mm |
| Cylinder Bore: | 80 mm | 72.5 mm | 92 mm |
| Wheel Drive: | Front wheel drive | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 5 | 6 Steptronic | |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4747 mm | 4698 mm | 5029 mm |
| Width: | 1778 mm | 1814 mm | 1902 mm |
| Width with mirrors folded: | 1831 mm | ||
| Width including mirrors: | 2013 mm | ||
| Height: | 1424 mm | 1535 mm | 1492 mm |
| Wheelbase: | 2746 mm | 2685 mm | 2990 mm |
| Front track: | 1505 mm | 1541 mm | 1578 mm |
| Rear (Back) track: | 1505 mm | 1551 mm | 1582 mm |
| Ride height(clearance): | 165 mm | ||
| Minimum volume of Luggage (trunk): | 500 l | 500 l | |
| Maximum amount of Luggage (trunk): | 432 l | 1550 l | |
| Front suspension: | Wishbone | The depreciated rack | |
| Rear suspension: | Helical spring | Helical spring | |
| Max weight: | 2000 kg | 1955 kg | 2450 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs | |
| Kerb Weight: | 1445 kg | 1410 kg | 1860 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering | Hydraulic Steering |
| Max. roof load: | 100 kg | ||
| Minimum turning circle (turning diameter): | 11.4 m | 12.1 m | |
| Permitted trailer load with brakes (12%): | 1200 kg | ||
| Permitted trailer load without brakes: | 710 kg | ||
| Tire size: | 205/65 R15 | 205/60 R16; 215/50 R17 | 245/55 R17 |
| Wheel rims size: | R15 | R16; R17 | 8J x 17 |