2006 BMW 645 vs. 2012 Audi RS3
To start off, 2012 Audi RS3 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2012 Audi RS3 (335 HP) has 7 more horse power than 2006 BMW 645. (328 HP) In normal driving conditions, 2012 Audi RS3 should accelerate faster than 2006 BMW 645.
Because 2012 Audi RS3 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 Audi RS3 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2012 Audi RS3 has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Audi RS3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 2012 Audi RS3 | |
| Make | BMW | Audi |
| Model | 645 | RS3 |
| Year Released | 2006 | 2012 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2500 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 335 HP |
| Torque | 450 Nm | 450 Nm |
| Torque RPM | 3600 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 4.6 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 7-speed automated manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
