Comparison BMW 8 Series (E31) 850i (300 Hp) Automatic & BMW Z3 (E36/7) 2.2i (170 Hp) Automatic
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| Brand: | BMW | BMW |
| Model: | 8 Series | Z3 |
| Generation: | 8 Series (E31) | Z3 (E36/7) |
| Engine / modification: | 850i (300 Hp) Automatic | 2.2i (170 Hp) Automatic |
| Production start: | 1989 year | 2000 year |
| Production end: | 1992 year | 2003 year |
| Coupe type: | Coupe | Cabriolet |
| Num. of Doors: | 2 | 2 |
| Num. of seats: | 4 | 2 |
| Fuel consumption / economy - urban: | 19.8 l/100 km | 13.1 l/100 km |
| Fuel consumption / economy - extra urban: | 8.6 l/100 km | 7.6 l/100 km |
| Fuel consumption / economy - combined: | 10.3 l/100 km | 9.6 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 90 l | 51 l |
| Power: | 300 hp | 170 hp |
| Max power in: | 5200 rpm. | 6250 rpm. |
| Maximum speed: | 250 km/h | 220 km/h |
| Acceleration from 0 to 100 km/h: | 7.4 sec | 8.9 sec |
| Torque: | 450 Nm @ 4100 rpm. | 210 Nm @ 3500 rpm. |
| Model Engine: | M70B50 | M54B22 |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 4988 cm3 | 2171 cm3 |
| Engine oil capacity: | 7.5 l | 6.5 l |
| Coolant: | 13 l | 10.5 l |
| Fuel System: | Multi-point injection | Multi-point injection |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 12 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 8.8 | 10.8 |
| Piston Stroke: | 75 mm | 72 mm |
| Cylinder Bore: | 84 mm | 80 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 | 5 |
| Length: | 4780 mm | 4050 mm |
| Width: | 1855 mm | 1740 mm |
| Height: | 1340 mm | 1293 mm |
| Wheelbase: | 2684 mm | 2446 mm |
| Front track: | 1554 mm | 1413 mm |
| Rear (Back) track: | 1562 mm | 1494 mm |
| Ride height(clearance): | 140 mm | |
| Minimum volume of Luggage (trunk): | 360 l | 165 l |
| Front suspension: | The depreciated rack | |
| Rear suspension: | Helical spring | |
| Max weight: | 2190 kg | 1540 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1790 kg | 1345 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 11.5 m | |
| Tire size: | 235/50 ZR 16 | 225/50 R16 |
| Wheel rims size: | R16 | R16 |