1984 Ford Sierra vs. 1991 Jaguar XJ6
To start off, 1991 Jaguar XJ6 is newer by 7 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 3,980 cc (6 cylinders), 1991 Jaguar XJ6 is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJ6 (224 HP @ 4750 RPM) has 110 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 1991 Jaguar XJ6 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJ6 weights approximately 710 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, 1991 Jaguar XJ6 (377 Nm @ 3650 RPM) has 201 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 1991 Jaguar XJ6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1991 Jaguar XJ6 | |
| Make | Ford | Jaguar |
| Model | Sierra | XJ6 |
| Year Released | 1984 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 114 HP | 224 HP |
| Engine RPM | 5300 RPM | 4750 RPM |
| Torque | 176 Nm | 377 Nm |
| Torque RPM | 3000 RPM | 3650 RPM |
| Engine Bore Size | 90 mm | 91 mm |
| Engine Stroke Size | 60.1 mm | 102 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1115 kg | 1825 kg |
| Vehicle Length | 4420 mm | 4940 mm |
| Vehicle Width | 1730 mm | 2010 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2880 mm |
