1999 Buick Regal vs. 1999 Opel Signum
To start off, both 1999 Buick Regal and 1999 Opel Signum were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (197 HP @ 5200 RPM) has 74 more horse power than 1999 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 50 kg more than 1999 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, 1999 Buick Regal (311 Nm @ 4000 RPM) has 40 more torque (in Nm) than 1999 Opel Signum. (271 Nm @ 1500 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 1999 Buick Regal | 1999 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1999 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 123 HP |
| Engine RPM | 5200 RPM | 3250 RPM |
| Torque | 311 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 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 | 64 L | 61 L |
