2004 Audi A4 vs. 2007 BMW 323
To start off, 2007 BMW 323 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 323 is equipped with a bigger engine. In terms of performance, 2007 BMW 323 (175 HP @ 5800 RPM) has 14 more horse power than 2004 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 323 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 66 kg more than 2007 BMW 323.
Because 2007 BMW 323 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 323. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (350 Nm @ 1500 RPM) has 120 more torque (in Nm) than 2007 BMW 323. (230 Nm @ 3500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 323.
Compare all specifications:
| 2004 Audi A4 | 2007 BMW 323 | |
| Make | Audi | BMW |
| Model | A4 | 323 |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 175 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 350 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 78.8 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1494 kg |
| Vehicle Length | 4590 mm | 4530 mm |
| Vehicle Width | 1780 mm | 1430 mm |
| Vehicle Height | 1430 mm | 1820 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 6.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
