2007 Audi A4 vs. 2008 BMW 523
To start off, 2008 BMW 523 is newer by 1 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 2,497 cc (6 cylinders), 2008 BMW 523 is equipped with a bigger engine. In terms of performance, 2008 BMW 523 (175 HP @ 5800 RPM) has 14 more horse power than 2007 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2008 BMW 523 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 4 kg more than 2008 BMW 523.
Because 2008 BMW 523 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 523. 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, 2008 BMW 523 (230 Nm @ 3500 RPM) has 5 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1950 RPM). This means 2008 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2008 BMW 523 | |
| Make | Audi | BMW |
| Model | A4 | 523 |
| Year Released | 2007 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 175 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 225 Nm | 230 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 82.1 mm |
| Engine Stroke Size | 86.4 mm | 78.8 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.9 seconds | 8.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1494 kg | 1490 kg |
| Vehicle Length | 4590 mm | 4870 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
