1990 Buick Roadmaster vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 17 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 5,731 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1990 Buick Roadmaster (177 HP @ 4200 RPM) has 24 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1990 Buick Roadmaster should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 305 kg more than 2007 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, 2007 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 (393 Nm @ 2400 RPM) has 173 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 1990 Buick Roadmaster | 2007 Opel Signum | |
| Make | Buick | Opel |
| Model | Roadmaster | Signum |
| Year Released | 1990 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 153 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 393 Nm | 220 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| 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 | 5 doors |
| Vehicle Weight | 1840 kg | 1535 kg |
| Vehicle Length | 5490 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
