2009 Audi A4 vs. 2008 BMW 740
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 740. In addition, the cost of maintenance, including insurance, on 2008 BMW 740 would be higher. At 4,000 cc (8 cylinders), 2008 BMW 740 is equipped with a bigger engine. In terms of performance, 2008 BMW 740 (303 HP @ 6300 RPM) has 145 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2008 BMW 740 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 740 weights approximately 1050 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW 740. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2008 BMW 740 (390 Nm @ 3500 RPM) has 140 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2008 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2008 BMW 740 | |
| Make | Audi | BMW |
| Model | A4 | 740 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 4000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 303 HP |
| Engine RPM | 4500 RPM | 6300 RPM |
| Torque | 250 Nm | 390 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 6.8 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 1945 kg |
| Vehicle Length | 4710 mm | 5040 mm |
| Vehicle Width | 2010 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2810 mm | 3000 mm |
| Fuel Consumption Overall | 7.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 65 L | 88 L |
