1984 Ford Sierra vs. 1988 Jaguar XJS
To start off, 1988 Jaguar XJS is newer by 4 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 5,343 cc (12 cylinders), 1988 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1988 Jaguar XJS (291 HP @ 5500 RPM) has 232 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM) In normal driving conditions, 1988 Jaguar XJS should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1988 Jaguar XJS weights approximately 960 kg more than 1984 Ford Sierra. 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, 1988 Jaguar XJS (440 Nm @ 3250 RPM) has 342 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1988 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1988 Jaguar XJS | |
| Make | Ford | Jaguar |
| Model | Sierra | XJS |
| Year Released | 1984 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1294 cc | 5343 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 59 HP | 291 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 98 Nm | 440 Nm |
| Torque RPM | 3100 RPM | 3250 RPM |
| Engine Bore Size | 79.1 mm | 90.1 mm |
| Engine Stroke Size | 66 mm | 70 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 970 kg | 1930 kg |
| Vehicle Length | 4400 mm | 4770 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1260 mm |
| Wheelbase Size | 2610 mm | 2600 mm |
| Fuel Tank Capacity | 60 L | 82 L |
