1994 Jaguar XJS vs. 1978 Mazda RX-7
To start off, 1994 Jaguar XJS is newer by 16 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 3,980 cc (6 cylinders), 1994 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1994 Jaguar XJS (223 HP @ 4750 RPM) has 118 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 1994 Jaguar XJS should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1994 Jaguar XJS weights approximately 670 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1994 Jaguar XJS (377 Nm @ 3650 RPM) has 232 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1994 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
| 1994 Jaguar XJS | 1978 Mazda RX-7 | |
| Make | Jaguar | Mazda |
| Model | XJS | RX-7 |
| Year Released | 1994 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3980 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 223 HP | 105 HP |
| Engine RPM | 4750 RPM | 6000 RPM |
| Torque | 377 Nm | 145 Nm |
| Torque RPM | 3650 RPM | 4000 RPM |
| Engine Compression Ratio | 9.5:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1060 kg |
| Vehicle Length | 4770 mm | 4290 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1260 mm | 1280 mm |
| Wheelbase Size | 2600 mm | 2430 mm |
| Fuel Tank Capacity | 82 L | 65 L |
