2006 GMC Sierra vs. 1991 Rover 820
To start off, 2006 GMC Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Rover 820. In addition, the cost of maintenance, including insurance, on 1991 Rover 820 would be higher. At 4,802 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (285 HP @ 5200 RPM) has 105 more horse power than 1991 Rover 820. (180 HP @ 6000 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1991 Rover 820. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 855 kg more than 1991 Rover 820. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 1991 Rover 820, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 GMC Sierra (400 Nm @ 4000 RPM) has 185 more torque (in Nm) than 1991 Rover 820. (215 Nm @ 2000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 820.
Compare all specifications:
| 2006 GMC Sierra | 1991 Rover 820 | |
| Make | GMC | Rover |
| Model | Sierra | 820 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 285 HP | 180 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 400 Nm | 215 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Drive Type | Rear | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2263 kg | 1408 kg |
| Vehicle Length | 5850 mm | 4890 mm |
| Vehicle Width | 2000 mm | 1740 mm |
| Vehicle Height | 1850 mm | 1400 mm |
| Wheelbase Size | 3650 mm | 2780 mm |
| Fuel Tank Capacity | 98 L | 68 L |
