Comparison Porsche 911 (991 II) GT3 RS 4.0 (520 Hp) PDK & Mazda 3 III Hatchback (BM, facelift 2017) 2.0 SkyActiv-G (155 Hp) Automatic
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| Brand: | Porsche | Mazda |
| Model: | 911 | 3 |
| Generation: | 911 (991 II) | 3 III Hatchback (BM, facelift 2017) |
| Engine / modification: | GT3 RS 4.0 (520 Hp) PDK | 2.0 SkyActiv-G (155 Hp) Automatic |
| Production start: | 2018 year | 2018 year |
| Production end: | 2019 year | 2018 year |
| Coupe type: | Coupe | Hatchback |
| Num. of Doors: | 2 | 5 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - urban: | 19.2 l/100 km | 8.4 l/100 km |
| Fuel consumption / economy - extra urban: | 9.0 l/100 km | 6.4 l/100 km |
| Fuel consumption / economy - combined: | 12.8 l/100 km | 7.4 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 64 l | 50 l |
| CO2 emissions: | 291 g/km | |
| Power: | 520 hp | 155 hp |
| Max power in: | 8250 rpm. | 6000 rpm. |
| Maximum speed: | 312 km/h | |
| Acceleration from 0 to 100 km/h: | 3.2 sec | |
| Torque: | 470 Nm @ 6000 rpm. | 203 Nm @ 4000 rpm. |
| Model Engine: | MA1.76 | PE-VPS |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 3996 cm3 | 1998 cm3 |
| Engine oil capacity: | 7.5 l | 4.2 l |
| Coolant: | 28 l | 6.2-6.5 l |
| Fuel System: | Direct injection | |
| Maximum engine speed: | 9000 rpm. | 6800 rpm. |
| Position of cylinders: | Boxer | Inline |
| Valvetrain: | DOHC-VVT | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | |
| Compression ratio: | 13.3 | 13 |
| Piston Stroke: | 91.2 mm | |
| Cylinder Bore: | 83.5 mm | |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 7 PDK | 6 |
| Length: | 4557 mm | 4460 mm |
| Width: | 1880 mm | 1796 mm |
| Width including mirrors: | 1978 mm | |
| Height: | 1297 mm | 1455 mm |
| Wheelbase: | 2453 mm | 2700 mm |
| Front track: | 1588 mm | 1554 mm |
| Rear (Back) track: | 1557 mm | 1560 mm |
| Ride height(clearance): | 155 mm | |
| Minimum volume of Luggage (trunk): | 125 l | 572 l |
| Maximum amount of Luggage (trunk): | 1334 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Multi-link independent | Independent, spring multi-link with stabilizer |
| Max weight: | 1793 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1430 kg | 1334 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): | 11.1 m | 10.6 m |
| Tire size: | 265/35 ZR 20; 325/30 ZR 21 | 205/60 R16 |
| Wheel rims size: | 9.5J x 20; 12.5J x 21 | 6.5J x 16 |