2005 Buick Regal vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Buick Regal. In addition, the cost of maintenance, including insurance, on 2005 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2005 Buick Regal (197 HP @ 5200 RPM) has 22 more horse power than 2007 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2005 Buick Regal should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 110 kg more than 2005 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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 59 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
2005 Buick Regal | 2007 Opel Signum | |
Make | Buick | Opel |
Model | Regal | Signum |
Year Released | 2005 | 2007 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 3791 cc | 2958 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 197 HP | 175 HP |
Engine RPM | 5200 RPM | 4000 RPM |
Torque | 311 Nm | 370 Nm |
Torque RPM | 4000 RPM | 1900 RPM |
Engine Bore Size | 97 mm | 87.5 mm |
Engine Stroke Size | 86 mm | 82 mm |
Engine Compression Ratio | 9.4:1 | 18.5:1 |
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 | 1670 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 |