1991 Jaguar XJS vs. 1981 Opel Ascona
To start off, 1991 Jaguar XJS is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 3,590 cc (6 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (217 HP @ 5300 RPM) has 136 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 616 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Jaguar XJS (331 Nm @ 4000 RPM) has 197 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1991 Jaguar XJS | 1981 Opel Ascona | |
| Make | Jaguar | Opel |
| Model | XJS | Ascona |
| Year Released | 1991 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3590 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 217 HP | 81 HP |
| Engine RPM | 5300 RPM | 5400 RPM |
| Torque | 331 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 91 mm | 79 mm |
| Engine Stroke Size | 92 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1014 kg |
| Vehicle Length | 4880 mm | 4380 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1270 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2580 mm |
