2007 Audi A8 vs. 2007 BMW X3
To start off, both 2007 Audi A8 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 5,202 cc (10 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 7000 RPM) has 243 more horse power than 2007 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 15 kg more than 2007 BMW X3. 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 Audi A8 (540 Nm @ 3500 RPM) has 130 more torque (in Nm) than 2007 BMW X3. (410 Nm @ 1500 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 Audi A8 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5202 cc | 2991 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 201 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 540 Nm | 410 Nm |
| Torque RPM | 3500 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 | 5.1 seconds | 7.9 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1925 kg |
| Vehicle Length | 5070 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2950 mm | 2800 mm |
| Fuel Consumption Overall | 13.4 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
