2006 Mazda 6 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mazda 6. In addition, the cost of maintenance, including insurance, on 2006 Mazda 6 would be higher. Both 2006 Mazda 6 and 2008 Opel Signum are equipped with a 1,998 cc engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 54 more horse power than 2006 Mazda 6. (119 HP @ 3500 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2006 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 50 kg more than 2006 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Mazda 6 (310 Nm @ 2000 RPM) has 45 more torque (in Nm) than 2008 Opel Signum. (265 Nm @ 2500 RPM). This means 2006 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2006 Mazda 6 | 2008 Opel Signum | |
| Make | Mazda | Opel |
| Model | 6 | Signum |
| Year Released | 2006 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 119 HP | 173 HP |
| Engine RPM | 3500 RPM | 5500 RPM |
| Torque | 310 Nm | 265 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Compression Ratio | 18.3:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 220 km/hour |
| Acceleration 0-100mph | 11 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1510 kg | 1560 kg |
| Vehicle Length | 4690 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
| Fuel Consumption Overall | 6.5 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
