Comparison Saab 9-4X Aero 2.8L V6 Turbo (300 Hp) XWD Automatic & Aston Martin Vanquish 5.9 V12 (577 Hp) Automatic & Kia Forte III (facelift 2021) 2.0 MPI (147 Hp) IVT
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| Brand: | Saab | Aston Martin | Kia |
| Model: | 9-4X | Vanquish | Forte |
| Generation: | 9-4X | Vanquish | Forte III (facelift 2021) |
| Engine / modification: | Aero 2.8L V6 Turbo (300 Hp) XWD Automatic | 5.9 V12 (577 Hp) Automatic | 2.0 MPI (147 Hp) IVT |
| Production start: | 2010 year | 2014 year | 2021 year |
| Production end: | 2011 year | ||
| Coupe type: | SUV | Coupe | Sedan |
| Powertrain Architecture: | Internal Combustion engine | ||
| Num. of Doors: | 5 | 2 | 4 |
| Num. of seats: | 5 | 2 | 5 |
| Fuel consumption / economy - urban: | 15.7 l/100 km | 19.3 l/100 km | 7.6-8.1 l/100 km |
| Fuel consumption / economy - extra urban: | 10.7 l/100 km | 9.1 l/100 km | 5.7-6 l/100 km |
| Fuel consumption / economy - combined: | 12.8 l/100 km | 6.7-7.1 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.38 | ||
| Fuel tank volume: | 80 l | 78 l | 53 l |
| Emission standard: | LEV 3 SULEV30/ULEV70 | ||
| CO2 emissions: | 298 g/km | ||
| Power: | 300 hp | 577 hp | 147 hp |
| Max power in: | 5500 rpm. | 6650 rpm. | 6200 rpm. |
| Maximum speed: | 323 km/h | ||
| Acceleration from 0 to 100 km/h: | 3.8 sec | ||
| Torque: | 400 Nm @ 2000 rpm. | 630 Nm/5500 rpm. | 179 Nm @ 4500 rpm. |
| Model Engine: | LAU | ||
| Engine position: | Front, transverse | Front, longitudinal | |
| Engine displacement: | 2796 cm3 | 5935 cm3 | 1999 cm3 |
| Engine oil capacity: | 4 l | ||
| Fuel System: | Direct injection | ||
| Position of cylinders: | V engine | V engine | Inline |
| Valvetrain: | DOHC | DOHC, D-CVVT | |
| Number of cylinders: | 6 | 12 | 4 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 9.5 | 11 | 12.5 |
| Piston Stroke: | 74.8 mm | 97 mm | |
| Cylinder Bore: | 89 mm | 81 mm | |
| Wheel Drive: | All wheel drive (4x4) | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 6 | 8 | 7 IVT |
| Length: | 4829 mm | 4728 mm | 4641 mm |
| Width: | 1905 mm | 1912 mm | 1801 mm |
| Width including mirrors: | 2067 mm | ||
| Height: | 1679 mm | 1294 mm | 1435 mm |
| Wheelbase: | 2807 mm | 2740 mm | 2700 mm |
| Front track: | 1622 mm | 1549-1562 mm | |
| Rear (Back) track: | 1623 mm | 1557-1572 mm | |
| Ride height(clearance): | 200 mm | 135 mm | |
| Approach angle: | 13.9 ° | ||
| Departure angle: | 18.9 ° | ||
| Front overhang: | 1006 mm | 902 mm | |
| Rear overhang: | 1016 mm | 1039 mm | |
| Minimum volume of Luggage (trunk): | 827 l | 433 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Double wishbone | Independent type McPherson |
| Rear suspension: | Double wishbone | Torsion | |
| Max weight: | 1720 kg | ||
| Front brakes: | Ventilated discs | ||
| Rear brakes: | Ventilated discs | ||
| Kerb Weight: | 1928-1975 kg | 1739 kg | 1256-1319 kg |
| ABS: | yes | ||
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | Electric Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 11.9 m | 10.6 m | |
| Permitted trailer load with brakes (12%): | 1588 kg | ||
| Tire size: | 255/35 ZR20; 305/30 ZR20 | 195/65 R15; 205/55 R16; 225/45 R17 | |
| Wheel rims size: | 10J x 20 | 6.0J x 15; 6.5J x 16; 7.0J x 17 |