2005 Mazda 6 vs. 1999 Opel Signum
To start off, 2005 Mazda 6 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 89 more horse power than 2005 Mazda 6. (119 HP @ 3500 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 100 kg more than 2005 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, 2005 Mazda 6 (310 Nm @ 2000 RPM) has 10 more torque (in Nm) than 1999 Opel Signum. (300 Nm @ 4000 RPM). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2005 Mazda 6 | 1999 Opel Signum | |
| Make | Mazda | Opel |
| Model | 6 | Signum |
| Year Released | 2005 | 1999 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 119 HP | 208 HP |
| Engine RPM | 3500 RPM | 6200 RPM |
| Torque | 310 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 196 km/hour | 237 km/hour |
| 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 | 1610 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 Tank Capacity | 64 L | 52 L |
