2005 Audi A4 vs. 2003 BMW X3
To start off, 2005 Audi A4 is newer by 2 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 2,995 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (201 HP @ 4000 RPM) has 40 more horse power than 2005 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2003 BMW X3 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 340 kg more than 2005 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, 2003 BMW X3 (410 Nm @ 1500 RPM) has 185 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1950 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2003 BMW X3 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2003 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2995 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 201 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 225 Nm | 410 Nm |
| Torque RPM | 1950 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Top Speed | 222 km/hour | 215 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 8.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1930 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
