2007 Audi A4 vs. 2007 BMW X3
To start off, both 2007 Audi A4 and 2007 BMW X3 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 54 more horse power than 2007 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 331 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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 (480 Nm @ 1750 RPM) has 255 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1750 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 215 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 225 Nm | 480 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 223 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1434 kg | 1765 kg |
| Vehicle Length | 4590 mm | 4570 mm |
| Vehicle Width | 1780 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2650 mm | 2800 mm |
| Fuel Consumption Overall | 8.2 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
