1987 Ford Sierra vs. 2002 Jaguar X400
To start off, 2002 Jaguar X400 is newer by 15 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 4,196 cc (6 cylinders), 2002 Jaguar X400 is equipped with a bigger engine. In terms of performance, 2002 Jaguar X400 (390 HP @ 4000 RPM) has 324 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 2002 Jaguar X400 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Jaguar X400 weights approximately 630 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, 2002 Jaguar X400 (525 Nm) has 383 more torque (in Nm) than 1987 Ford Sierra. (142 Nm). This means 2002 Jaguar X400 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2002 Jaguar X400 has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Jaguar X400 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2002 Jaguar X400 | |
| Make | Ford | Jaguar |
| Model | Sierra | X400 |
| Year Released | 1987 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 390 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 142 Nm | 525 Nm |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1170 kg | 1800 kg |
| Wheelbase Size | 2620 mm | 2920 mm |
