2004 Mazda 6 vs. 2003 Opel Signum
To start off, 2004 Mazda 6 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,966 cc (6 cylinders), 2004 Mazda 6 is equipped with a bigger engine. In terms of performance, 2004 Mazda 6 (220 HP @ 4000 RPM) has 45 more horse power than 2003 Opel Signum. (175 HP @ 5500 RPM). In normal driving conditions, 2004 Mazda 6 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 38 kg more than 2004 Mazda 6.
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, 2003 Opel Signum (370 Nm) has 113 more torque (in Nm) than 2004 Mazda 6. (257 Nm). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6.
Compare all specifications:
| 2004 Mazda 6 | 2003 Opel Signum | |
| Make | Mazda | Opel |
| Model | 6 | Signum |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 220 HP | 175 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 257 Nm | 370 Nm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1537 kg | 1575 kg |
| Vehicle Length | 4780 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
