Comparison BMW 6 Series Gran Coupe (F06 LCI, facelift 2015) 640d (313 Hp) Steptronic & Alfa Romeo 75 (162 B, facelift 1988) 2.0 Twin Spark (148 Hp)
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| Brand: | BMW | Alfa Romeo |
| Model: | 6 Series | 75 |
| Generation: | 6 Series Gran Coupe (F06 LCI, facelift 2015) | 75 (162 B, facelift 1988) |
| Engine / modification: | 640d (313 Hp) Steptronic | 2.0 Twin Spark (148 Hp) |
| Production start: | 2015 year | 1988 year |
| Production end: | 2018 year | 1991 year |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 6.2-6.6 l/100 km | 9.9 l/100 km |
| Fuel consumption / economy - extra urban: | 4.9-5.2 l/100 km | 6 l/100 km |
| Fuel consumption / economy - combined: | 5.4-5.7 l/100 km | 8.1 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.28 | 0.36 |
| Fuel tank volume: | 70 l | 49 l |
| Emission standard: | Euro 6 | EURO I |
| CO2 emissions: | 143-152 g/km | |
| Power: | 313 hp | 148 hp |
| Max power in: | 4400 rpm. | 5800 rpm. |
| Maximum speed: | 250 km/h | 205 km/h |
| Acceleration from 0 to 100 km/h: | 5.4 sec | 8.2 sec |
| Torque: | 630 Nm @ 1500-2500 rpm. | 186 Nm @ 4000 rpm. |
| Model Engine: | N57D30 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2993 cm3 | 1962 cm3 |
| Engine oil capacity: | 7 l | 5.6 l |
| Coolant: | 8.0 l | 8.3 l |
| Fuel System: | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | OHC | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 16.5 | 10 |
| Piston Stroke: | 90 mm | 88.5 mm |
| Cylinder Bore: | 84 mm | 84 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | |
| Number of Gears (manual transmission): | 5 | |
| Length: | 5007 mm | 4330 mm |
| Width: | 1894 mm | 1660 mm |
| Height: | 1392 mm | 1400 mm |
| Wheelbase: | 2968 mm | 2510 mm |
| Front track: | 1600 mm | 1396 mm |
| Rear (Back) track: | 1665 mm | 1382 mm |
| Ride height(clearance): | 126 mm | |
| Front overhang: | 825 mm | |
| Rear overhang: | 995 mm | |
| Minimum volume of Luggage (trunk): | 460 l | 500 l |
| Maximum amount of Luggage (trunk): | 1265 l | |
| Front suspension: | Double wishbone | |
| Rear suspension: | Multi-link independent | |
| Max weight: | 2410 kg | 1585 kg |
| Front brakes: | Disc | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1810 kg | 1160 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | |
| Max. roof load: | 75 kg | 80 kg |
| Minimum turning circle (turning diameter): | 11.95 m | 10.9 m |
| Permitted towbar download: | 60 kg | |
| Tire size: | 225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 | 195/60 R14 |
| Wheel rims size: | 8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 | 6.5J x 14 |