Comparison Porsche 911 (991 II) GT3 4.0 (500 Hp) & Cadillac Seville V8 4.6 Northstar (299 Hp)
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| Brand: | Porsche | Cadillac |
| Model: | 911 | Seville |
| Generation: | 911 (991 II) | Seville |
| Engine / modification: | GT3 4.0 (500 Hp) | V8 4.6 Northstar (299 Hp) |
| Production start: | 2017 year | 1991 year |
| Production end: | 2018 year | 1997 year |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - urban: | 19.7 l/100 km | 14.8 l/100 km |
| Fuel consumption / economy - extra urban: | 8.8 l/100 km | 8.6 l/100 km |
| Fuel consumption / economy - combined: | 12.9 l/100 km | 12 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.33 | |
| Fuel tank volume: | 64 l | 76 l |
| Emission standard: | Euro 6 | |
| CO2 emissions: | 290 g/km | |
| Power: | 500 hp | 299 hp |
| Max power in: | 8250 rpm. | 6000 rpm. |
| Maximum speed: | 320 km/h | 240 km/h |
| Acceleration from 0 to 100 km/h: | 3.9 sec | 7.6 sec |
| Acceleration from 0 to 200 km/h: | 11.4 sec | |
| Torque: | 460 Nm @ 6000 rpm. | 393 Nm @ 4400 rpm. |
| Model Engine: | MDG.GA | |
| Engine position: | Rear, longitudinal | Front, transverse |
| Engine displacement: | 3996 cm3 | 4565 cm3 |
| Engine oil capacity: | 6.4 l | |
| Fuel System: | Direct injection | Multi-point injection |
| Maximum engine speed: | 9000 rpm. | |
| Position of cylinders: | Boxer | V engine |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 13.3 | 10.3 |
| Piston Stroke: | 81.5 mm | 84 mm |
| Cylinder Bore: | 102 mm | 93 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 4 | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4562 mm | 5183 mm |
| Width: | 1852 mm | 1884 mm |
| Width including mirrors: | 1978 mm | |
| Height: | 1271 mm | 1384 mm |
| Wheelbase: | 2457 mm | 2819 mm |
| Front track: | 1551 mm | 1546 mm |
| Rear (Back) track: | 1555 mm | 1546 mm |
| Ride height(clearance): | 88 mm | |
| Approach angle: | 6.3 ° | |
| Departure angle: | 9.5 ° | |
| Ramp angle: | 10.3 ° | |
| Minimum volume of Luggage (trunk): | 125 l | 409 l |
| Front suspension: | Independent type McPherson | Wishbone |
| Rear suspension: | Multi-link independent | Double wishbone |
| Max weight: | 1760 kg | 2280 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1413 kg | 1795 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 11.1 m | |
| Tire size: | 245/35 ZR20; 305/30 ZR20 | 225/60 R16 |
| Wheel rims size: | 9J x 20; 12J x 20 |