1981 Jaguar XJS vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 30 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 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 54 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 952 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 2011 GMC Sierra 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, 2011 GMC Sierra 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 75 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS.
Compare all specifications:
| 1981 Jaguar XJS | 2011 GMC Sierra | |
| Make | Jaguar | GMC |
| Model | XJS | Sierra |
| Year Released | 1981 | 2011 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5344 cc | 6000 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 299 HP | 353 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 431 Nm | 506 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Compression Ratio | 12.5:1 | 9.6:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1707 kg | 2659 kg |
| Vehicle Length | 4880 mm | 5720 mm |
| Vehicle Width | 1780 mm | 2440 mm |
| Vehicle Height | 1270 mm | 1960 mm |
| Wheelbase Size | 2600 mm | 3380 mm |
| Fuel Tank Capacity | 90 L | 129 L |
