2004 Audi A4 vs. 2007 BMW X3
To start off, 2007 BMW X3 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 1,994 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (170 HP @ 6500 RPM) has 22 more horse power than 2007 BMW X3. (148 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 90 kg more than 2004 Audi A4.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (330 Nm) has 95 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 148 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 235 Nm | 330 Nm |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1650 kg | 1740 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2580 mm | 2800 mm |
| Fuel Consumption Overall | 9.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
