2005 Audi S4 vs. 1990 Jaguar XJR-15
To start off, 2005 Audi S4 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Jaguar XJR-15. In addition, the cost of maintenance, including insurance, on 1990 Jaguar XJR-15 would be higher. At 5,993 cc (12 cylinders), 1990 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR-15 (450 HP @ 6250 RPM) has 110 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 1990 Jaguar XJR-15 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 790 kg more than 1990 Jaguar XJR-15.
Let's talk about torque, 1990 Jaguar XJR-15 (569 Nm) has 159 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1990 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1990 Jaguar XJR-15 | |
| Make | Audi | Jaguar |
| Model | S4 | XJR-15 |
| Year Released | 2005 | 1990 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 5993 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 450 HP |
| Engine RPM | 6300 RPM | 6250 RPM |
| Torque | 410 Nm | 569 Nm |
| Engine Bore Size | 85 mm | 90.1 mm |
| Engine Stroke Size | 93 mm | 78.5 mm |
| Number of Seats | 4 seats | 1 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1050 kg |
| Vehicle Length | 4580 mm | 4810 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1110 mm |
| Wheelbase Size | 2660 mm | 2870 mm |
| Fuel Tank Capacity | 63 L | 90 L |
