2003 Alpina Roadster vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 6 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 153 more horse power than 2009 Audi A6. (148 HP @ 5700 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina Roadster weights approximately 31 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 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, 2009 Audi A6 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, 2003 Alpina Roadster (362 Nm @ 4800 RPM) has 152 more torque (in Nm) than 2009 Audi A6. (210 Nm @ 1750 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2003 Alpina Roadster | 2009 Audi A6 | |
| Make | Alpina | Audi |
| Model | Roadster | A6 |
| Year Released | 2003 | 2009 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1779 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 301 HP | 148 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 362 Nm | 210 Nm |
| Torque RPM | 4800 RPM | 1750 RPM |
| Engine Bore Size | 87 mm | 81 mm |
| Engine Stroke Size | 93.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.4 seconds | 10 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 1595 kg |
| Vehicle Length | 4100 mm | 4800 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
