1987 Ford Sierra vs. 1992 Jaguar XJS
To start off, 1992 Jaguar XJS is newer by 5 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,978 cc (6 cylinders), 1992 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1992 Jaguar XJS (220 HP @ 4750 RPM) has 108 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM) In normal driving conditions, 1992 Jaguar XJS should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1992 Jaguar XJS weights approximately 595 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1992 Jaguar XJS (377 Nm @ 3650 RPM) has 197 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1992 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1992 Jaguar XJS | |
| Make | Ford | Jaguar |
| Model | Sierra | XJS |
| Year Released | 1987 | 1992 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 3978 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 112 HP | 220 HP |
| Engine RPM | 5300 RPM | 4750 RPM |
| Torque | 180 Nm | 377 Nm |
| Torque RPM | 3000 RPM | 3650 RPM |
| Engine Bore Size | 96 mm | 91 mm |
| Engine Stroke Size | 79.5 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1135 kg | 1730 kg |
| Vehicle Length | 4500 mm | 4880 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
