2006 Audi A4 vs. 2007 BMW 750
To start off, 2007 BMW 750 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (360 HP @ 6300 RPM) has 160 more horse power than 2006 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 2007 BMW 750 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 45 kg more than 2007 BMW 750.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 750 (488 Nm @ 3400 RPM) has 207 more torque (in Nm) than 2006 Audi A4. (281 Nm @ 1800 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2007 BMW 750 | |
| Make | Audi | BMW |
| Model | A4 | 750 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 4797 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 360 HP |
| Engine RPM | 5100 RPM | 6300 RPM |
| Torque | 281 Nm | 488 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1835 kg |
| Vehicle Length | 4590 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 3000 mm |
| Fuel Consumption | 7.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 9.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
