2007 Audi A4 vs. 2004 BMW 320
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 320. In addition, the cost of maintenance, including insurance, on 2004 BMW 320 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 113 more horse power than 2004 BMW 320. (142 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2004 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 212 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 320. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 will offer significantly more control. 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, both vehicles can yield 330 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 Audi A4 | 2004 BMW 320 | |
| Make | Audi | BMW |
| Model | A4 | 320 |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 142 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 330 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 96 mm | 90 mm |
| Engine Compression Ratio | 11.3:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1278 kg | 1490 kg |
| Vehicle Length | 4590 mm | 4490 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Highway | 8.7 L/100km | 5 L/100km |
| Fuel Consumption City | 13.8 L/100km | 8.5 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
