2008 GMC Sierra vs. 1998 Opel Astra
To start off, 2008 GMC Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 264 more horse power than 1998 Opel Astra. (89 HP @ 6000 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 991 kg more than 1998 Opel 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 1998 Opel 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 381 more torque (in Nm) than 1998 Opel Astra. (125 Nm @ 4000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra. 2008 GMC Sierra has automatic transmission and 1998 Opel Astra has manual transmission. 1998 Opel 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 | 1998 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2008 | 1998 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1389 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 89 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 506 Nm | 125 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 1150 kg |
| Vehicle Length | 6580 mm | 4250 mm |
| Vehicle Width | 2040 mm | 1690 mm |
| Vehicle Height | 1960 mm | 1410 mm |
| Wheelbase Size | 4250 mm | 2620 mm |
