1981 Jaguar XJS vs. 2010 Hummer H3
To start off, 2010 Hummer H3 is newer by 29 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,344 cc (12 cylinders), 1981 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2010 Hummer H3 (300 HP @ 5200 RPM) has 1 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM) In normal driving conditions, 2010 Hummer H3 should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 2010 Hummer H3 weights approximately 487 kg more than 1981 Jaguar XJS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2010 Hummer H3 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, 2010 Hummer H3 (434 Nm @ 4000 RPM) has 3 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 2010 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS.
Compare all specifications:
| 1981 Jaguar XJS | 2010 Hummer H3 | |
| Make | Jaguar | Hummer |
| Model | XJS | H3 |
| Year Released | 1981 | 2010 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 5300 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 300 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 431 Nm | 434 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1707 kg | 2194 kg |
| Vehicle Length | 4880 mm | 4770 mm |
| Vehicle Width | 1780 mm | 2170 mm |
| Vehicle Height | 1270 mm | 1870 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Tank Capacity | 90 L | 87 L |
