1999 Opel Signum vs. 2003 Mazda 3
To start off, 2003 Mazda 3 is newer by 4 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 1,999 cc (4 cylinders), 2003 Mazda 3 is equipped with a bigger engine. In terms of performance, 2003 Mazda 3 (160 HP @ 6000 RPM) has 61 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2003 Mazda 3 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 355 kg more than 2003 Mazda 3.
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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 45 more torque (in Nm) than 2003 Mazda 3. (195 Nm @ 4500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 3. 2003 Mazda 3 has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mazda 3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Signum | 2003 Mazda 3 | |
| Make | Opel | Mazda |
| Model | Signum | 3 |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 160 HP |
| Engine RPM | 3120 RPM | 6000 RPM |
| Torque | 240 Nm | 195 Nm |
| Torque RPM | 1500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 83.1 mm |
| Engine Compression Ratio | 18.5:1 | 11.0:1 |
| Top Speed | 185 km/hour | 200 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1595 kg | 1240 kg |
| Vehicle Length | 4640 mm | 4430 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 55 L |
