2005 Audi A8 vs. 2003 Jaguar XJ
To start off, 2005 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XJ would be higher. At 4,195 cc (8 cylinders), 2003 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2003 Jaguar XJ (294 HP @ 6100 RPM) has 18 more horse power than 2005 Audi A8. (276 HP @ 3750 RPM) In normal driving conditions, 2003 Jaguar XJ should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 325 kg more than 2003 Jaguar XJ.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Jaguar XJ. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 239 more torque (in Nm) than 2003 Jaguar XJ. (411 Nm @ 4100 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XJ.
Compare all specifications:
| 2005 Audi A8 | 2003 Jaguar XJ | |
| Make | Audi | Jaguar |
| Model | A8 | XJ |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 294 HP |
| Engine RPM | 3750 RPM | 6100 RPM |
| Torque | 650 Nm | 411 Nm |
| Torque RPM | 1800 RPM | 4100 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 90.3 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1615 kg |
| Vehicle Length | 5060 mm | 5090 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 3040 mm |
| Fuel Tank Capacity | 90 L | 85 L |
