1987 Buick Regal vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 21 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 3,791 cc (6 cylinders), 1987 Buick Regal is equipped with a bigger engine. In terms of performance, 1987 Buick Regal (276 HP @ 4400 RPM) has 101 more horse power than 2008 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1987 Buick Regal should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 94 kg more than 1987 Buick Regal.
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, 2008 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, 1987 Buick Regal (489 Nm @ 3000 RPM) has 119 more torque (in Nm) than 2008 Opel Signum. (370 Nm @ 1900 RPM). This means 1987 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 1987 Buick Regal | 2008 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1987 | 2008 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 276 HP | 175 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 489 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 96.5 mm | 87.5 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Top Speed | 200 km/hour | 221 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1576 kg | 1670 kg |
| Vehicle Length | 5100 mm | 4640 mm |
| Vehicle Width | 1920 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
