2003 Alpina Roadster vs. 2005 Audi S6
To start off, 2005 Audi S6 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 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 34 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2005 Audi S6 should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 189 kg more than 2003 Alpina Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2005 Audi S6 will offer significantly more control. 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 Audi S6 (420 Nm @ 3400 RPM) has 58 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2005 Audi S6 has automatic transmission and 2003 Alpina Roadster has manual transmission. 2003 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2005 Audi S6 | |
| Make | Alpina | Audi |
| Model | Roadster | S6 |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 301 HP | 335 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 362 Nm | 420 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Engine Bore Size | 87 mm | 84.5 mm |
| Engine Stroke Size | 93.8 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.4 seconds | 6.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 1815 kg |
| Vehicle Length | 4100 mm | 4840 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption Overall | 11.7 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 55 L | 82 L |
