2004 Mazda 2 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Mazda 2. In addition, the cost of maintenance, including insurance, on 2004 Mazda 2 would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 141 more horse power than 2004 Mazda 2. (67 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2004 Mazda 2. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 450 kg more than 2004 Mazda 2. 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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 140 more torque (in Nm) than 2004 Mazda 2. (160 Nm @ 2000 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 2.
Compare all specifications:
| 2004 Mazda 2 | 2007 Opel Signum | |
| Make | Mazda | Opel |
| Model | 2 | Signum |
| Year Released | 2004 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1399 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 67 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 160 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 73.7 mm | 87.5 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 160 km/hour | 237 km/hour |
| Acceleration 0-100mph | 15 seconds | 7.9 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 | 1160 kg | 1610 kg |
| Vehicle Length | 3930 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1550 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption Overall | 4.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 45 L | 60 L |
