2005 Audi A8 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (218 HP @ 6300 RPM) has 3 more horse power than 2007 BMW X3. (215 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 865 kg more than 2005 Audi A8.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A8. 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 180 more torque (in Nm) than 2005 Audi A8. (300 Nm @ 8200 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8. 2007 BMW X3 has automatic transmission and 2005 Audi A8 has manual transmission. 2005 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 218 HP | 215 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 300 Nm | 480 Nm |
| Torque RPM | 8200 RPM | 1750 RPM |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 242 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 900 kg | 1765 kg |
| Vehicle Length | 5190 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 3080 mm | 2800 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
