2003 Alpina Roadster vs. 2009 Audi Q7
To start off, 2009 Audi Q7 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 64 more horse power than 2009 Audi Q7. (237 HP @ 4000 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 744 kg more than 2003 Alpina Roadster.
Because 2009 Audi Q7 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 Q7 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 Audi Q7 (550 Nm @ 2000 RPM) has 188 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2009 Audi Q7 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. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2009 Audi Q7 | |
| Make | Alpina | Audi |
| Model | Roadster | Q7 |
| Year Released | 2003 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 237 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 550 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 83.1 mm |
| Engine Stroke Size | 93.8 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 5.4 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 2370 kg |
| Vehicle Length | 4100 mm | 5090 mm |
| Vehicle Width | 1790 mm | 1990 mm |
| Vehicle Height | 1310 mm | 1740 mm |
| Wheelbase Size | 2500 mm | 3010 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
