2009 Alpina Roadster vs. 2004 Audi A4
To start off, 2009 Alpina Roadster is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 3,346 cc (6 cylinders), 2009 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 76 more horse power than 2004 Audi A4. (220 HP @ 4000 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 275 kg more than 2009 Alpina Roadster.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2009 Alpina Roadster (362 Nm) has 62 more torque (in Nm) than 2004 Audi A4. (300 Nm). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2009 Alpina Roadster | 2004 Audi A4 | |
| Make | Alpina | Audi |
| Model | Roadster | A4 |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2974 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 296 HP | 220 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 300 Nm |
| Engine Bore Size | 87 mm | 83 mm |
| Engine Stroke Size | 93.8 mm | 93 mm |
| Engine Compression Ratio | 10.2:1 | 10.1:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1670 kg |
| Vehicle Length | 4100 mm | 4550 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption Overall | 10 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 66 L |
