2005 Alpina Roadster vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2005 Alpina Roadster 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 122 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM). In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 69 kg more than 2005 Alpina Roadster.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (380 Nm @ 1400 RPM) has 18 more torque (in Nm) than 2005 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alpina Roadster.
Compare all specifications:
| 2005 Alpina Roadster | 2007 Audi A6 | |
| Make | Alpina | Audi |
| Model | Roadster | A6 |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2698 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 179 HP |
| Engine RPM | 6300 RPM | 3300 RPM |
| Torque | 362 Nm | 380 Nm |
| Torque RPM | 4800 RPM | 1400 RPM |
| Engine Bore Size | 87 mm | 83 mm |
| Engine Stroke Size | 93.8 mm | 83.1 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| 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 | 1695 kg |
| Vehicle Length | 4100 mm | 4590 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Consumption Overall | 11.7 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
