2006 Alpina Roadster vs. 2005 Mercedes-Benz S
To start off, 2006 Alpina Roadster is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP @ 4200 RPM) has 197 more horse power than 2006 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2006 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 555 kg more than 2006 Alpina Roadster. 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, 2005 Mercedes-Benz S (700 Nm @ 2750 RPM) has 338 more torque (in Nm) than 2006 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2006 Alpina Roadster.
Compare all specifications:
| 2006 Alpina Roadster | 2005 Mercedes-Benz S | |
| Make | Alpina | Mercedes-Benz |
| Model | Roadster | S |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 296 HP | 493 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 362 Nm | 700 Nm |
| Torque RPM | 4800 RPM | 2750 RPM |
| Engine Bore Size | 87 mm | 97 mm |
| Engine Stroke Size | 93.8 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1950 kg |
| Vehicle Length | 4100 mm | 5170 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 3090 mm |
| Fuel Consumption Overall | 11.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
