2007 Audi A3 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (361 HP @ 6300 RPM) has 213 more horse power than 2007 Audi A3. (148 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 175 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 650 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 2009 BMW 650. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A3, 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, 2009 BMW 650 (488 Nm @ 3400 RPM) has 288 more torque (in Nm) than 2007 Audi A3. (200 Nm @ 3500 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2009 BMW 650 | |
| Make | Audi | BMW |
| Model | A3 | 650 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 361 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 200 Nm | 488 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 211 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1525 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1380 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Consumption Overall | 7.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
