Comparison Porsche 718 Cayman (982) GT4 RS 4.0 (493 Hp) PDK & BMW M4 (G82) Competition 3.0 (510 Hp) Steptronic
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| Brand: | Porsche | BMW |
| Model: | 718 | M4 |
| Generation: | 718 Cayman (982) | M4 (G82) |
| Engine / modification: | GT4 RS 4.0 (493 Hp) PDK | Competition 3.0 (510 Hp) Steptronic |
| Production start: | 2022 year | 2020 year |
| Coupe type: | Coupe | Coupe |
| Num. of Doors: | 2 | 2 |
| Num. of seats: | 2 | 4 |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.34 | |
| Fuel tank volume: | 64 l | 59 l |
| Combined fuel consumption (WLTP): | 13.2 l/100 km | 9.9-10.2 l/100 km |
| Emission standard: | Euro 6d | |
| Power: | 493 hp | 510 hp |
| Max power in: | 8400 rpm. | 6250 rpm. |
| Maximum speed: | 315 km/h | 250 , Electronically limited km/h |
| Acceleration from 0 to 100 km/h: | 3.4 sec | 3.9 sec |
| CO2 emissions (WLTP): | 299 g/km | 227-233 g/km |
| Torque: | 449 Nm @ 6250 rpm. | 650 Nm @ 2750-5500 rpm. |
| Model Engine: | MDG.GA | |
| Engine position: | Middle, longitudinal | Front, longitudinal |
| Engine displacement: | 3996 cm3 | 2993 cm3 |
| Engine oil capacity: | 7 l | |
| Fuel System: | Direct injection | Direct injection |
| Maximum engine speed: | 9000 rpm. | |
| Position of cylinders: | Boxer | Inline |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.3 | |
| Piston Stroke: | 81.5 mm | 90 mm |
| Cylinder Bore: | 102 mm | 84 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 PDK | 8 Steptronic |
| Length: | 4455 mm | 4794 mm |
| Width: | 1994 mm | 1887 mm |
| Width with mirrors folded: | 1821 mm | |
| Width including mirrors: | 2081 mm | |
| Height: | 1267 mm | 1393 mm |
| Wheelbase: | 2484 mm | 2857 mm |
| Front track: | 1617 mm | |
| Rear (Back) track: | 1605 mm | |
| Ride height(clearance): | 120 mm | |
| Approach angle: | 6.4 ° | |
| Ramp angle: | 10.3 ° | |
| Front overhang: | 860 mm | |
| Rear overhang: | 1077 mm | |
| Minimum volume of Luggage (trunk): | 440 l | |
| Maximum amount of Luggage (trunk): | 136 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | |
| Rear suspension: | Independent multi-link | |
| Max weight: | 1771 kg | 2155 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1464 kg | 1725 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | Electric Steering |
| Max. roof load: | 75 kg | |
| Minimum turning circle (turning diameter): | 12.2 m | |
| Tire size: | Front wheel tires: 245/35 R20 | Front wheel tires: 275/40 ZR18 103Y XL |
| Wheel rims size: | Front wheel rims: 8.5J x 20 | Front wheel rims: 9.5J x 18 |