2007 Audi S8 vs. 2005 Jaguar XJ
To start off, 2007 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 203 more horse power than 2005 Jaguar XJ. (241 HP @ 6800 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 395 kg more than 2005 Jaguar XJ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Audi S8 (540 Nm @ 3400 RPM) has 247 more torque (in Nm) than 2005 Jaguar XJ. (293 Nm @ 4100 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ.
Compare all specifications:
| 2007 Audi S8 | 2005 Jaguar XJ | |
| Make | Audi | Jaguar |
| Model | S8 | XJ |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2966 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 241 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 540 Nm | 293 Nm |
| Torque RPM | 3400 RPM | 4100 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 260 km/hour | 225 km/hour |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1545 kg |
| Vehicle Length | 5070 mm | 5100 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 3170 mm |
| Fuel Tank Capacity | 90 L | 85 L |
