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 2,843 cc (6 cylinders), 1987 Buick Regal is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (153 HP @ 5600 RPM) has 18 more horse power than 1987 Buick Regal. (135 HP @ 4400 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1987 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 195 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (244 Nm @ 3600 RPM) has 24 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 1987 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum. 1987 Buick Regal has automatic transmission and 2008 Opel Signum has manual transmission. 2008 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1987 Buick Regal will be easier to drive especially in heavy traffic.
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 | 2843 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 153 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 244 Nm | 220 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Compression Ratio | 8.8:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 190 km/hour | 211 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1535 kg |
| Vehicle Length | 4890 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2840 mm |
| Fuel Tank Capacity | 62 L | 60 L |
