2007 Audi A4 vs. 2009 BMW 750
To start off, 2009 BMW 750 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 750 is equipped with a bigger engine. In terms of performance, 2009 BMW 750 (363 HP @ 6300 RPM) has 162 more horse power than 2007 Audi A4. (201 HP @ 5100 RPM) In normal driving conditions, 2009 BMW 750 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 750 weights approximately 70 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 750 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 750. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, 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 750 (490 Nm @ 3400 RPM) has 209 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 2009 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 BMW 750 | |
| Make | Audi | BMW |
| Model | A4 | 750 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| 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 | 201 HP | 363 HP |
| Engine RPM | 5100 RPM | 6300 RPM |
| Torque | 281 Nm | 490 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1950 kg |
| Vehicle Length | 4590 mm | 5190 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 3130 mm |
| Fuel Consumption City | 9.8 L/100km | 16.9 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
