1998 Buick Regal vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1998 Buick Regal is equipped with a bigger engine. In terms of performance, 1998 Buick Regal (205 HP @ 5200 RPM) has 80 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM). In normal driving conditions, 1998 Buick Regal should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 116 kg more than 1998 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, 1998 Buick Regal (312 Nm) has 32 more torque (in Nm) than 2001 Opel Signum. (280 Nm). This means 1998 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum. 1998 Buick Regal has automatic transmission and 2001 Opel Signum has manual transmission. 2001 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Buick Regal | 2001 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1998 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 125 HP |
| Engine RPM | 5200 RPM | 3250 RPM |
| Torque | 312 Nm | 280 Nm |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1494 kg | 1610 kg |
| Vehicle Length | 4990 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
