Comparison BMW Z4 (E85) 3.0i (231 Hp) Automatic & BMW 7 Series (G12) 740Ld (320 Hp) xDrive Steptronic
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| Brand: | BMW | BMW |
| Model: | Z4 | 7 Series |
| Generation: | Z4 (E85) | 7 Series (G12) |
| Engine / modification: | 3.0i (231 Hp) Automatic | 740Ld (320 Hp) xDrive Steptronic |
| Production start: | 2002 year | 2015 year |
| Production end: | 2006 year | 2019 year |
| Coupe type: | Cabriolet | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - urban: | 13.5 l/100 km | 6.3-6.8 l/100 km |
| Fuel consumption / economy - extra urban: | 7.3 l/100 km | 4.3-4.6 l/100 km |
| Fuel consumption / economy - combined: | 9.5 l/100 km | 5.0-5.4 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.25 | |
| Fuel tank volume: | 55 l | 78 l |
| Emission standard: | EURO VI | |
| CO2 emissions: | 132-142 g/km | |
| Power: | 231 hp | 320 hp |
| Max power in: | 5900 rpm. | 4000 rpm. |
| Maximum speed: | 250 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 6.2 sec | 5.3 sec |
| Torque: | 300 Nm @ 3500 rpm. | 680 Nm @ 1750-2250 rpm. |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2979 cm3 | 2993 cm3 |
| Engine oil capacity: | 6.5 l | |
| Fuel System: | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.2 | 16.5 |
| Piston Stroke: | 89.6 mm | 90 mm |
| Cylinder Bore: | 84 mm | 84 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 5 | 8 Steptronic |
| Length: | 4091 mm | 5238 mm |
| Width: | 1781 mm | 1902 mm |
| Height: | 1299 mm | 1485 mm |
| Wheelbase: | 2495 mm | 3210 mm |
| Front track: | 1473 mm | 1617 mm |
| Rear (Back) track: | 1523 mm | 1646 mm |
| Ride height(clearance): | 135 mm | |
| Front overhang: | 880 mm | |
| Rear overhang: | 1148 mm | |
| Minimum volume of Luggage (trunk): | 300 l | 515 l |
| Front suspension: | The depreciated rack | Double wishbone |
| Rear suspension: | Helical spring | Multi-link independent |
| Max weight: | 1590 kg | 2570 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Ventilated discs |
| Kerb Weight: | 1365 kg | 1900 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | |
| Max. roof load: | 100 kg | |
| Minimum turning circle (turning diameter): | 9.8 m | 12.9 m |
| Permitted trailer load with brakes (12%): | 2300 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 100 kg | |
| Tire size: | 225/45 R17 | 225/60 R17 99Y; 245/50 R18; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 |
| Wheel rims size: | 8J X 17 | 7.5J x 17; 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 |