2002 Audi A2 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Audi A2. In addition, the cost of maintenance, including insurance, on 2002 Audi A2 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 220 more horse power than 2002 Audi A2. (108 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2002 Audi A2. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 745 kg more than 2002 Audi A2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2002 Audi A2, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 295 more torque (in Nm) than 2002 Audi A2. (155 Nm @ 4500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A2.
Compare all specifications:
| 2002 Audi A2 | 2006 BMW 645 | |
| Make | Audi | BMW |
| Model | A2 | 645 |
| Year Released | 2002 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 155 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Bore Size | 76.5 mm | 92 mm |
| Engine Stroke Size | 86.9 mm | 82.7 mm |
| Engine Compression Ratio | 12.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 202 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 6.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1815 kg |
| Vehicle Length | 3830 mm | 4830 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Vehicle Height | 1560 mm | 1380 mm |
| Wheelbase Size | 2410 mm | 2790 mm |
| Fuel Consumption Overall | 6.2 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 42 L | 70 L |
