1987 Buick Regal vs. 1998 Opel Signum
To start off, 1998 Opel Signum is newer by 11 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, 1987 Buick Regal (135 HP @ 4400 RPM) has 36 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1987 Buick Regal should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 255 kg more than 1987 Buick Regal.
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 59 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 1987 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum. 1987 Buick Regal has automatic transmission and 1998 Opel Signum has manual transmission. 1998 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 | 1998 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1987 | 1998 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2843 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 99 HP |
| Engine RPM | 4400 RPM | 3120 RPM |
| Torque | 244 Nm | 185 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Compression Ratio | 8.8:1 | 18.5:1 |
| Top Speed | 190 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1340 kg | 1595 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 |
