2005 Alpina Roadster vs. 2003 Subaru R2
To start off, 2005 Alpina Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Subaru R2. In addition, the cost of maintenance, including insurance, on 2003 Subaru R2 would be higher. At 3,346 cc (6 cylinders), 2005 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2005 Alpina Roadster (301 HP @ 6300 RPM) has 249 more horse power than 2003 Subaru R2. (52 HP @ 6400 RPM). In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 2003 Subaru R2. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina Roadster weights approximately 816 kg more than 2003 Subaru R2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Alpina Roadster. However, in wet, icy, snow, or gravel driving conditions, 2003 Subaru R2, 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, 2005 Alpina Roadster (362 Nm @ 4800 RPM) has 299 more torque (in Nm) than 2003 Subaru R2. (63 Nm @ 4400 RPM). This means 2005 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru R2.
Compare all specifications:
| 2005 Alpina Roadster | 2003 Subaru R2 | |
| Make | Alpina | Subaru |
| Model | Roadster | R2 |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 658 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 52 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 362 Nm | 63 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Engine Bore Size | 87 mm | 56 mm |
| Engine Stroke Size | 93.8 mm | 66.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 810 kg |
| Vehicle Length | 4100 mm | 3400 mm |
| Vehicle Width | 1790 mm | 1480 mm |
| Vehicle Height | 1300 mm | 1530 mm |
| Wheelbase Size | 2500 mm | 2370 mm |
| Fuel Tank Capacity | 55 L | 30 L |
