1991 Buick Roadmaster vs. 2002 Opel Vectra
To start off, 2002 Opel Vectra is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2002 Opel Vectra (208 HP @ 6000 RPM) has 40 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 2002 Opel Vectra should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 520 kg more than 2002 Opel Vectra.
Because 1991 Buick Roadmaster 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 1991 Buick Roadmaster. However, in wet, icy, snow, or gravel driving conditions, 2002 Opel Vectra, 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, 1991 Buick Roadmaster (346 Nm @ 2400 RPM) has 46 more torque (in Nm) than 2002 Opel Vectra. (300 Nm @ 3800 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 1991 Buick Roadmaster | 2002 Opel Vectra | |
| Make | Buick | Opel |
| Model | Roadmaster | Vectra |
| Year Released | 1991 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 208 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 346 Nm | 300 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1480 kg |
| Vehicle Length | 5540 mm | 4600 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1540 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
