1985 Ford Sierra vs. 2005 Jaguar S-Type
To start off, 2005 Jaguar S-Type is newer by 20 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 4,196 cc (8 cylinders), 2005 Jaguar S-Type is equipped with a bigger engine. In terms of performance, 2005 Jaguar S-Type (391 HP @ 3500 RPM) has 243 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2005 Jaguar S-Type should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar S-Type weights approximately 640 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, 2005 Jaguar S-Type (541 Nm @ 3500 RPM) has 321 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2005 Jaguar S-Type will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2005 Jaguar S-Type | |
| Make | Ford | Jaguar |
| Model | Sierra | S-Type |
| Year Released | 1985 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 391 HP |
| Engine RPM | 5700 RPM | 3500 RPM |
| Torque | 220 Nm | 541 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 68.5 mm | 90.3 mm |
| Vehicle Weight | 1205 kg | 1845 kg |
| Vehicle Length | 4400 mm | 4880 mm |
| Vehicle Width | 1680 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2920 mm |
