1985 Ford Sierra vs. 1993 Jaguar XJS
To start off, 1993 Jaguar XJS is newer by 8 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 5,996 cc (12 cylinders), 1993 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1993 Jaguar XJS (309 HP @ 5250 RPM) has 161 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 1993 Jaguar XJS should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1993 Jaguar XJS weights approximately 601 kg more than 1985 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, 1993 Jaguar XJS (476 Nm @ 3000 RPM) has 256 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1993 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 1993 Jaguar XJS | |
| Make | Ford | Jaguar |
| Model | Sierra | XJS |
| Year Released | 1985 | 1993 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 5996 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 309 HP |
| Engine RPM | 5700 RPM | 5250 RPM |
| Torque | 220 Nm | 476 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 68.5 mm | 78.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1205 kg | 1806 kg |
| Vehicle Length | 4400 mm | 4880 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
