2003 Alpina Roadster vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C 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 181 more horse power than 2005 Mercedes-Benz C. (120 HP @ 5200 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina Roadster weights approximately 361 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2003 Alpina Roadster (362 Nm @ 4800 RPM) has 172 more torque (in Nm) than 2005 Mercedes-Benz C. (190 Nm @ 1500 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2003 Alpina Roadster | 2005 Mercedes-Benz C | |
| Make | Alpina | Mercedes-Benz |
| Model | Roadster | C |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 120 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 362 Nm | 190 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 87 mm | 82 mm |
| Engine Stroke Size | 93.8 mm | 85 mm |
| Acceleration 0-100mph | 5.4 seconds | 11.7 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 1265 kg |
| Vehicle Length | 4100 mm | 4350 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2720 mm |
| Fuel Tank Capacity | 55 L | 62 L |
