2008 Audi A8 vs. 2007 BMW X3
To start off, 2008 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 302 more horse power than 2007 BMW X3. (148 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2007 BMW X3.
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, 2008 Audi A8 (580 Nm @ 4000 RPM) has 250 more torque (in Nm) than 2007 BMW X3. (330 Nm @ 2000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2008 Audi A8 has automatic transmission and 2007 BMW X3 has manual transmission. 2007 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1994 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 148 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 580 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90.2 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5200 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1860 mm |
| Wheelbase Size | 3080 mm | 2800 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
