2006 Audi A4 vs. 2007 BMW 740
To start off, 2007 BMW 740 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 4,000 cc (8 cylinders), 2007 BMW 740 is equipped with a bigger engine. In terms of performance, 2007 BMW 740 (302 HP @ 6300 RPM) has 164 more horse power than 2006 Audi A4. (138 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 740 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 740 weights approximately 455 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 740 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 740. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2007 BMW 740 (391 Nm @ 3500 RPM) has 71 more torque (in Nm) than 2006 Audi A4. (320 Nm @ 1750 RPM). This means 2007 BMW 740 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 740 | |
| Make | Audi | BMW |
| Model | A4 | 740 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 302 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 320 Nm | 391 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 9.8 seconds | 6.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1965 kg |
| Vehicle Length | 4590 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2650 mm | 3000 mm |
| Fuel Consumption Overall | 5.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
