2005 Audi A4 vs. 2007 BMW 650
To start off, 2007 BMW 650 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (360 HP @ 6300 RPM) has 138 more horse power than 2005 Audi A4. (222 HP @ 6300 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 365 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 650 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 650. However, in wet, icy, snow, or gravel driving conditions, 2005 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 650 (488 Nm @ 3400 RPM) has 188 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2007 BMW 650 | |
| Make | Audi | BMW |
| Model | A4 | 650 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 222 HP | 360 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 300 Nm | 488 Nm |
| Torque RPM | 3200 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 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 243 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 5.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1850 kg |
| Vehicle Length | 4550 mm | 4840 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 9.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
