2007 Audi A3 vs. 2003 BMW X3
To start off, 2007 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 3,189 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 46 more horse power than 2003 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 405 kg more than 2007 Audi A3.
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, 2003 BMW X3 (410 Nm @ 1500 RPM) has 90 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2800 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2003 BMW X3 | |
| Make | Audi | BMW |
| Model | A3 | X3 |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 201 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 410 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Engine Compression Ratio | 11.3:1 | 17.0:1 |
| Top Speed | 245 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 8.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1930 kg |
| Vehicle Length | 4210 mm | 4570 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2580 mm | 2730 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 60 L | 67 L |
