2008 GMC Sierra vs. 1991 Vauxhall Astra
To start off, 2008 GMC Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Vauxhall Astra. In addition, the cost of maintenance, including insurance, on 1991 Vauxhall Astra would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 300 more horse power than 1991 Vauxhall Astra. (53 HP @ 5600 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1991 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1829 kg more than 1991 Vauxhall Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Vauxhall Astra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 422 more torque (in Nm) than 1991 Vauxhall Astra. (84 Nm @ 3600 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Vauxhall Astra. 2008 GMC Sierra has automatic transmission and 1991 Vauxhall Astra has manual transmission. 1991 Vauxhall Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 1991 Vauxhall Astra | |
| Make | GMC | Vauxhall |
| Model | Sierra | Astra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 353 HP | 53 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 506 Nm | 84 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Vehicle Weight | 2659 kg | 830 kg |
| Vehicle Length | 5720 mm | 4000 mm |
| Vehicle Width | 2440 mm | 1670 mm |
| Vehicle Height | 1960 mm | 1410 mm |
| Wheelbase Size | 3380 mm | 2530 mm |
