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 2,494 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (189 HP @ 6000 RPM) has 28 more horse power than 2004 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 110 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (245 Nm @ 3500 RPM) has 15 more torque (in Nm) than 2004 Audi A4. (230 Nm @ 1950 RPM). 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 | 1781 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 189 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 230 Nm | 245 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.5 seconds | 9.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1740 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2760 mm | 2800 mm |
| Fuel Consumption Overall | 9.4 L/100km | 13 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
