Comparison Audi A7 Sportback (C7 facelift 2014) 2.0 TFSI (252 Hp) S tronic & BMW Z4 (G29) 30i (258 Hp) sDrive Steptronic
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| Brand: | Audi | BMW |
| Model: | A7 | Z4 |
| Generation: | A7 Sportback (C7 facelift 2014) | Z4 (G29) |
| Engine / modification: | 2.0 TFSI (252 Hp) S tronic | 30i (258 Hp) sDrive Steptronic |
| Production start: | 2014 year | 2018 year |
| Production end: | 2016 year | |
| Coupe type: | Hatchback | Cabriolet |
| Num. of Doors: | 5 | 2 |
| Num. of seats: | 5 | 2 |
| Fuel consumption / economy - urban: | 7.4 l/100 km | 7.4 l/100 km |
| Fuel consumption / economy - extra urban: | 5.1 l/100 km | 4.9-5.3 l/100 km |
| Fuel consumption / economy - combined: | 5.9 l/100 km | 6.0-6.1 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | 0.29 |
| Fuel tank volume: | 65 l | 52 l |
| Emission standard: | Euro 6 | Euro 6 d |
| CO2 emissions: | 137 g/km | 137-139 g/km |
| Power: | 252 hp | 258 hp |
| Max power in: | 5000-6000 rpm. | 5000-6500 rpm. |
| Maximum speed: | 250 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 6.9 sec | 5.4 sec |
| Torque: | 370 Nm @ 1600-4500 rpm. | 400 Nm @ 1550-4400 rpm. |
| Model Engine: | CYNB, CYPA | B48B20 |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 1984 cm3 | 1998 cm3 |
| Engine oil capacity: | 4.7 l | 5.25 l |
| Fuel System: | Direct injection | Direct injection |
| Aspiration / Turbine: | Turbocharging | Twin-power turbo |
| Position of cylinders: | Inline | Inline |
| Number of cylinders: | 4 | 4 |
| Number of valves per cylinder: | 4 | |
| Compression ratio: | 10.2 | |
| Piston Stroke: | 94.6 mm | |
| Cylinder Bore: | 82 mm | |
| Wheel Drive: | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 S-tronic | 8 Steptronic |
| Length: | 4974 mm | 4324 mm |
| Width: | 1911 mm | 1864 mm |
| Width including mirrors: | 2139 mm | 2024 mm |
| Height: | 1420 mm | 1304 mm |
| Wheelbase: | 2914 mm | 2470 mm |
| Front track: | 1644 mm | 1609 mm |
| Rear (Back) track: | 1635 mm | 1616 mm |
| Ride height(clearance): | 117 mm | |
| Front overhang: | 937 mm | 907 mm |
| Rear overhang: | 1123 mm | 947 mm |
| Minimum volume of Luggage (trunk): | 535 l | 281 l |
| Maximum amount of Luggage (trunk): | 1390 l | |
| Front suspension: | Multi-link suspension | Double wishbone |
| Rear suspension: | Independent on trapezoidal lever | Multi-link independent |
| Max weight: | 2265 kg | 1740 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Ventilated discs |
| Kerb Weight: | 1730 kg | 1415 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 11.9 m | 11.0 m |
| Tire size: | 235/55 R17 | 225/50 R17; 255/45 R17 |
| Wheel rims size: | 8.0J x 17 | 7.5J x 17; 8.5J x 17 |