2008 BMW Z4 vs. 1991 Jaguar XJS
To start off, 2008 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 47 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 435 kg more than 2008 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 XJS (440 Nm @ 3250 RPM) has 75 more torque (in Nm) than 2008 BMW Z4. (365 Nm @ 4900 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 1991 Jaguar XJS | |
| Make | BMW | Jaguar |
| Model | Z4 | XJS |
| Year Released | 2008 | 1991 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 5342 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 291 HP |
| Engine RPM | 7900 RPM | 5500 RPM |
| Torque | 365 Nm | 440 Nm |
| Torque RPM | 4900 RPM | 3250 RPM |
| Engine Bore Size | 87 mm | 90 mm |
| Engine Stroke Size | 91 mm | 70 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1930 kg |
| Vehicle Length | 4870 mm | 4770 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2500 mm | 2600 mm |
| Fuel Tank Capacity | 60 L | 82 L |
