2004 Buick Regal vs. 1998 Opel Signum
To start off, 2004 Buick Regal is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (201 HP @ 5200 RPM) has 28 more horse power than 1998 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2004 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 16 kg more than 2004 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, 2004 Buick Regal (305 Nm) has 120 more torque (in Nm) than 1998 Opel Signum. (185 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2004 Buick Regal | 1998 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 2004 | 1998 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 173 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 305 Nm | 185 Nm |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1566 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 | 60 L |
