2003 Alpina Roadster vs. 2005 Holden Vectra
To start off, 2005 Holden Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2003 Alpina Roadster would be higher. At 3,346 cc (6 cylinders), 2003 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2003 Alpina Roadster (301 HP @ 6300 RPM) has 155 more horse power than 2005 Holden Vectra. (146 HP @ 5600 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2005 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina Roadster weights approximately 236 kg more than 2005 Holden Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina 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 Alpina Roadster. However, in wet, icy, snow, or gravel driving conditions, 2005 Holden 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 Alpina Roadster (362 Nm @ 4800 RPM) has 159 more torque (in Nm) than 2005 Holden Vectra. (203 Nm @ 4000 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2005 Holden Vectra.
Compare all specifications:
| 2003 Alpina Roadster | 2005 Holden Vectra | |
| Make | Alpina | Holden |
| Model | Roadster | Vectra |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 146 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 362 Nm | 203 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 1390 kg |
| Vehicle Length | 4100 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
