2009 Audi A3 vs. 2007 BMW 745
To start off, 2009 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 745. In addition, the cost of maintenance, including insurance, on 2007 BMW 745 would be higher. At 4,423 cc (8 cylinders), 2007 BMW 745 is equipped with a bigger engine. In terms of performance, 2007 BMW 745 (326 HP @ 3800 RPM) has 126 more horse power than 2009 Audi A3. (200 HP @ 5100 RPM) In normal driving conditions, 2007 BMW 745 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 745 weights approximately 1185 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 745 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 2007 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2007 BMW 745 (700 Nm @ 1900 RPM) has 419 more torque (in Nm) than 2009 Audi A3. (281 Nm @ 1800 RPM). This means 2007 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3. 2007 BMW 745 has automatic transmission and 2009 Audi A3 has manual transmission. 2009 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A3 | 2007 BMW 745 | |
| Make | Audi | BMW |
| Model | A3 | 745 |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 4423 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 326 HP |
| Engine RPM | 5100 RPM | 3800 RPM |
| Torque | 281 Nm | 700 Nm |
| Torque RPM | 1800 RPM | 1900 RPM |
| Engine Bore Size | 82.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 2115 kg |
| Vehicle Length | 4290 mm | 5050 mm |
| Vehicle Width | 1970 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2580 mm | 3000 mm |
| Fuel Consumption Overall | 9.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
