1991 Buick Roadmaster vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 17 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 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (208 HP @ 6200 RPM) has 31 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2008 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 215 kg more than 2008 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, 2008 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 (393 Nm @ 2400 RPM) has 93 more torque (in Nm) than 2008 Opel Vectra. (300 Nm @ 4000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 1991 Buick Roadmaster | 2008 Opel Vectra | |
| Make | Buick | Opel |
| Model | Roadmaster | Vectra |
| Year Released | 1991 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 3174 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 393 Nm | 300 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1625 kg |
| Vehicle Length | 5280 mm | 4600 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1650 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Tank Capacity | 75 L | 61 L |
