Comparison BMW 7 Series (E65) 745i (333 Hp) Steptronic & Alfa Romeo 146 (930, facelift 1997) 1.4 T. Spark (103 Hp) & BMW 6 Series Coupe (F13) 650i (450 Hp) Steptronic
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| Brand: | BMW | Alfa Romeo | BMW |
| Model: | 7 Series | 146 | 6 Series |
| Generation: | 7 Series (E65) | 146 (930, facelift 1997) | 6 Series Coupe (F13) |
| Engine / modification: | 745i (333 Hp) Steptronic | 1.4 T. Spark (103 Hp) | 650i (450 Hp) Steptronic |
| Production start: | 2001 year | 1997 year | 2012 year |
| Production end: | 2005 year | 1999 year | 2015 year |
| Coupe type: | Sedan | Hatchback | Coupe |
| Num. of Doors: | 4 | 5 | 2 |
| Num. of seats: | 5 | 5 | 4 |
| Fuel consumption / economy - urban: | 16.2 l/100 km | 10.7 l/100 km | 11.9-12.4 l/100 km |
| Fuel consumption / economy - extra urban: | 8.6 l/100 km | 6.3 l/100 km | 6.6-6.9 l/100 km |
| Fuel consumption / economy - combined: | 11.4 l/100 km | 8.6-8.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | 0.30 | |
| Fuel tank volume: | 88 l | 51 l | 70 l |
| Emission standard: | Euro 3 | Euro 2 | Euro 5 |
| CO2 emissions: | 199-206 g/km | ||
| Power: | 333 hp | 103 hp | 450 hp |
| Max power in: | 6100 rpm. | 6300 rpm. | 5500 rpm. |
| Maximum speed: | 250 km/h | 187 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 6.3 sec | 11.5 sec | 4.6 sec |
| Torque: | 450 Nm @ 3600 rpm. | 124 Nm @ 4600 rpm. | 650 Nm @ 2000-4500 rpm. |
| Model Engine: | N62B44 | AR 33503 | N63B44 |
| Engine position: | Front, longitudinal | Front, transverse | Front, longitudinal |
| Engine displacement: | 4398 cm3 | 1370 cm3 | 4395 cm3 |
| Engine oil capacity: | 8 l | 4.4 l | 9.5 l |
| Coolant: | 14.1 l | 8.4 l | 14.4 l |
| Fuel System: | Multi-point injection | Multi-point injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | ||
| Position of cylinders: | V engine | Inline | V engine |
| Valvetrain: | DOHC | DOHC | |
| Number of cylinders: | 8 | 4 | 8 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 10 | 10.5 | 10 |
| Piston Stroke: | 82.7 mm | 64.87 mm | 88.3 mm |
| Cylinder Bore: | 92 mm | 82 mm | 89 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 6 Steptronic | - | 8 Steptronic |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 5029 mm | 4257 mm | 4894 mm |
| Width: | 1902 mm | 1712 mm | 1894 mm |
| Height: | 1492 mm | 1425 mm | 1369 mm |
| Wheelbase: | 2990 mm | 2540 mm | 2855 mm |
| Front track: | 1578 mm | 1459 mm | 1600 mm |
| Rear (Back) track: | 1582 mm | 1428 mm | 1665 mm |
| Ride height(clearance): | 124 mm | ||
| Front overhang: | 887 mm | ||
| Rear overhang: | 830 mm | ||
| Minimum volume of Luggage (trunk): | 500 l | 380 l | 460 l |
| Maximum amount of Luggage (trunk): | 1225 l | ||
| Front suspension: | The depreciated rack | Wishbone | Double wishbone |
| Rear suspension: | Helical spring | Trailing | Multi-link independent |
| Max weight: | 2450 kg | 1680 kg | 2290 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc | Ventilated discs |
| Kerb Weight: | 1860 kg | 1160 kg | 1795 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering | Electric Steering |
| Max. roof load: | 75 kg | ||
| Minimum turning circle (turning diameter): | 12.1 m | 11 m | 11.7 m |
| Permitted trailer load with brakes (12%): | 1100 kg | ||
| Permitted trailer load without brakes: | 350 kg | ||
| Permitted towbar download: | 50 kg | ||
| Tire size: | 245/55 R17 | 195/55 R 15 | 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 |
| Wheel rims size: | 8J x 17 | 6 J x 15 | 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 |