2008 GMC Sierra vs. 1999 Opel Vectra
To start off, 2008 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1999 Opel Vectra 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 272 more horse power than 1999 Opel Vectra. (81 HP @ 4300 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1035 kg more than 1999 Opel Vectra. 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 1999 Opel Vectra. 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 321 more torque (in Nm) than 1999 Opel Vectra. (185 Nm @ 1800 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra. 2008 GMC Sierra has automatic transmission and 1999 Opel Vectra has manual transmission. 1999 Opel Vectra 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 | 1999 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2008 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 81 HP |
| Engine RPM | 5400 RPM | 4300 RPM |
| Torque | 506 Nm | 185 Nm |
| Torque RPM | 4400 RPM | 1800 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Weight | 2435 kg | 1400 kg |
| Vehicle Length | 6340 mm | 4500 mm |
| Vehicle Width | 2040 mm | 1720 mm |
| Vehicle Height | 1950 mm | 1500 mm |
| Wheelbase Size | 4010 mm | 2650 mm |
