1987 Buick Regal vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1987 Buick Regal. In addition, the cost of maintenance, including insurance, on 1987 Buick Regal would be higher. At 3,175 cc (6 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (208 HP @ 6200 RPM) has 71 more horse power than 1987 Buick Regal. (137 HP @ 4800 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1987 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 240 kg more than 1987 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Buick Regal 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 1987 Buick Regal. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Opel Signum (300 Nm @ 4000 RPM) has 54 more torque (in Nm) than 1987 Buick Regal. (246 Nm @ 3600 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Buick Regal.
Compare all specifications:
| 1987 Buick Regal | 2002 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1987 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3128 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 137 HP | 208 HP |
| Engine RPM | 4800 RPM | 6200 RPM |
| Torque | 246 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1370 kg | 1610 kg |
| Vehicle Length | 4880 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 61 L |
