2008 Audi S4 vs. 1991 Jaguar XJR-15
To start off, 2008 Audi S4 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJR-15. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJR-15 would be higher. At 5,993 cc (12 cylinders), 1991 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJR-15 (450 HP @ 6250 RPM) has 109 more horse power than 2008 Audi S4. (341 HP @ 7000 RPM) In normal driving conditions, 1991 Jaguar XJR-15 should accelerate faster than 2008 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 110 kg more than 1991 Jaguar XJR-15.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Jaguar XJR-15. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 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, 1991 Jaguar XJR-15 (570 Nm @ 4500 RPM) has 160 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 1991 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2008 Audi S4 | 1991 Jaguar XJR-15 | |
| Make | Audi | Jaguar |
| Model | S4 | XJR-15 |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 5993 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 341 HP | 450 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 410 Nm | 570 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 1 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1050 kg |
| Vehicle Length | 4590 mm | 4810 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1110 mm |
| Wheelbase Size | 2660 mm | 2870 mm |
| Fuel Tank Capacity | 63 L | 90 L |
