1988 Opel Vectra vs. 1990 Pontiac Grand Prix
To start off, 1990 Pontiac Grand Prix is newer by 2 year(s). Which means there will be less support and parts availability for 1988 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1988 Opel Vectra would be higher. At 3,135 cc (6 cylinders), 1990 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Prix (205 HP @ 4800 RPM) has 149 more horse power than 1988 Opel Vectra. (56 HP @ 4600 RPM) In normal driving conditions, 1990 Pontiac Grand Prix should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Prix weights approximately 489 kg more than 1988 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1990 Pontiac Grand Prix (298 Nm) has 193 more torque (in Nm) than 1988 Opel Vectra. (105 Nm). This means 1990 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1988 Opel Vectra.
Compare all specifications:
| 1988 Opel Vectra | 1990 Pontiac Grand Prix | |
| Make | Opel | Pontiac |
| Model | Vectra | Grand Prix |
| Year Released | 1988 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 3135 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 56 HP | 205 HP |
| Engine RPM | 4600 RPM | 4800 RPM |
| Torque | 105 Nm | 298 Nm |
| Engine Bore Size | 82.5 mm | 89 mm |
| Engine Stroke Size | 79.5 mm | 84 mm |
| Drive Type | Front | Front |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1120 kg | 1609 kg |
| Vehicle Length | 4360 mm | 4960 mm |
| Vehicle Width | 1710 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
