1986 AC Ace vs. 1991 Jaguar XJS
To start off, 1991 Jaguar XJS is newer by 5 year(s). Which means there will be less support and parts availability for 1986 AC Ace. In addition, the cost of maintenance, including insurance, on 1986 AC Ace would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (291 HP @ 5500 RPM) has 141 more horse power than 1986 AC Ace. (150 HP @ 5800 RPM) In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1986 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 1023 kg more than 1986 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 AC Ace is four wheel drive (4WD), it will have significant more traction and grip than 1991 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 1986 AC Ace will offer significantly more control. 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 XJS (440 Nm @ 3250 RPM) has 226 more torque (in Nm) than 1986 AC Ace. (214 Nm @ 3000 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1986 AC Ace.
Compare all specifications:
| 1986 AC Ace | 1991 Jaguar XJS | |
| Make | AC | Jaguar |
| Model | Ace | XJS |
| Year Released | 1986 | 1991 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 5342 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 150 HP | 291 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 214 Nm | 440 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 93.1 mm | 90 mm |
| Engine Stroke Size | 68.5 mm | 70 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 907 kg | 1930 kg |
| Vehicle Length | 3970 mm | 4770 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1170 mm | 1260 mm |
| Wheelbase Size | 2480 mm | 2600 mm |
| Fuel Tank Capacity | 66 L | 82 L |
