2003 Mazda Roadster vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mazda Roadster. In addition, the cost of maintenance, including insurance, on 2003 Mazda Roadster would be higher. At 1,839 cc (4 cylinders), 2003 Mazda Roadster is equipped with a bigger engine. In terms of performance, 2003 Mazda Roadster (157 HP @ 7000 RPM) has 37 more horse power than 2005 Opel Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2003 Mazda Roadster should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 410 kg more than 2003 Mazda Roadster.
Because 2003 Mazda Roadster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Mazda Roadster. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 Mazda Roadster (170 Nm @ 5500 RPM) has 3 more torque (in Nm) than 2005 Opel Vectra. (167 Nm @ 3800 RPM). This means 2003 Mazda Roadster will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2003 Mazda Roadster | 2005 Opel Vectra | |
| Make | Mazda | Opel |
| Model | Roadster | Vectra |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 157 HP | 120 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 170 Nm | 167 Nm |
| Torque RPM | 5500 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1060 kg | 1470 kg |
| Vehicle Length | 3960 mm | 4830 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1240 mm | 1510 mm |
