1991 Jaguar XJS vs. 2010 Hummer H3
To start off, 2010 Hummer H3 is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJS 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 52 more horse power than 2010 Hummer H3. (239 HP @ 5800 RPM). In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 2010 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2010 Hummer H3 weights approximately 920 kg more than 1991 Jaguar XJS.
Because 2010 Hummer H3 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, 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, 1991 Jaguar XJS (440 Nm @ 3250 RPM) has 113 more torque (in Nm) than 2010 Hummer H3. (327 Nm @ 4600 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2010 Hummer H3. 2010 Hummer H3 has automatic transmission and 1991 Jaguar XJS has manual transmission. 1991 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Hummer H3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Jaguar XJS | 2010 Hummer H3 | |
| Make | Jaguar | Hummer |
| Model | XJS | H3 |
| Year Released | 1991 | 2010 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5342 cc | 3653 cc |
| Engine Cylinders | 12 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 291 HP | 239 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 440 Nm | 327 Nm |
| Torque RPM | 3250 RPM | 4600 RPM |
| Engine Bore Size | 90 mm | 95.5 mm |
| Engine Stroke Size | 70 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1930 kg | 2850 kg |
| Vehicle Length | 4770 mm | 4770 mm |
| Vehicle Width | 1800 mm | 2170 mm |
| Vehicle Height | 1260 mm | 1870 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Tank Capacity | 82 L | 87 L |
