1991 Buick Roadmaster vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 12 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, 2003 Vauxhall Signum (175 HP @ 5500 RPM) has 7 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 2003 Vauxhall Signum should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 550 kg more than 2003 Vauxhall Signum.
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, 2003 Vauxhall Signum, 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, 2003 Vauxhall Signum (370 Nm @ 1900 RPM) has 24 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2003 Vauxhall Signum | |
| Make | Buick | Vauxhall |
| Model | Roadmaster | Signum |
| Year Released | 1991 | 2003 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 175 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 346 Nm | 370 Nm |
| Torque RPM | 2400 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1450 kg |
| Vehicle Length | 5540 mm | 4640 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1540 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
