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 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 51 more horse power than 2007 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2007 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 227 kg more than 2007 Audi A4.
Let's talk about torque, 2007 BMW X3 (410 Nm @ 1500 RPM) has 80 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 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 | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2991 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 201 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 330 Nm | 410 Nm |
| Torque RPM | 3250 RPM | 1500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 12.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.9 seconds |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1698 kg | 1925 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1400 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2800 mm |
| Fuel Consumption Overall | 11 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
