2005 Mazda 6 vs. 2004 Opel Signum
To start off, 2005 Mazda 6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,261 cc (4 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (164 HP @ 6500 RPM) has 16 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2005 Mazda 6 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 5 kg more than 2005 Mazda 6.
Because 2005 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Mazda 6 will offer significantly more control. 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 Opel Signum (326 Nm @ 2000 RPM) has 118 more torque (in Nm) than 2005 Mazda 6. (208 Nm @ 4000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6. 2005 Mazda 6 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mazda 6 | 2004 Opel Signum | |
| Make | Mazda | Opel |
| Model | 6 | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 164 HP | 148 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 208 Nm | 326 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 82 mm |
| Engine Stroke Size | 94 mm | 90.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 190 km/hour | 209 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1605 kg | 1610 kg |
| Vehicle Length | 4710 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
| Fuel Consumption Overall | 10.8 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
