2003 Audi A4 vs. 2007 Jaguar XJ8
To start off, 2007 Jaguar XJ8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A4. In addition, the cost of maintenance, including insurance, on 2003 Audi A4 would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2003 Audi A4 (341 HP @ 7000 RPM) has 40 more horse power than 2007 Jaguar XJ8. (301 HP @ 6000 RPM). In normal driving conditions, 2003 Audi A4 should accelerate faster than 2007 Jaguar XJ8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A4 weights approximately 21 kg more than 2007 Jaguar XJ8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Jaguar XJ8. In wet, icy, snow, or gravel driving conditions, 2003 Audi A4 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 Jaguar XJ8 (420 Nm @ 4100 RPM) has 10 more torque (in Nm) than 2003 Audi A4. (410 Nm @ 3500 RPM). This means 2007 Jaguar XJ8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A4. 2007 Jaguar XJ8 has automatic transmission and 2003 Audi A4 has manual transmission. 2003 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A4 | 2007 Jaguar XJ8 | |
| Make | Audi | Jaguar |
| Model | A4 | XJ8 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 301 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 90.3 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1639 kg |
| Vehicle Length | 4550 mm | 5220 mm |
| Vehicle Width | 1770 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 3170 mm |
| Fuel Tank Capacity | 66 L | 85 L |
