1990 Buick Roadmaster vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 13 year(s). Which means there will be less support and parts availability for 1990 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1990 Buick Roadmaster would be higher. At 5,002 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1990 Buick Roadmaster (168 HP @ 4200 RPM) has 48 more horse power than 2003 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 1990 Buick Roadmaster should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 465 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 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 1990 Buick Roadmaster. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel 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, 1990 Buick Roadmaster (346 Nm @ 2400 RPM) has 180 more torque (in Nm) than 2003 Opel Signum. (166 Nm @ 3800 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 1990 Buick Roadmaster has automatic transmission and 2003 Opel Signum has manual transmission. 2003 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Buick Roadmaster | 2003 Opel Signum | |
| Make | Buick | Opel |
| Model | Roadmaster | Signum |
| Year Released | 1990 | 2003 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 120 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 346 Nm | 166 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1535 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 |
