2003 Audi A8 vs. 2003 BMW X3
To start off, both 2003 Audi A8 and 2003 BMW X3 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,936 cc (8 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (272 HP @ 3750 RPM) has 71 more horse power than 2003 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 110 kg more than 2003 Audi A8.
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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 240 more torque (in Nm) than 2003 BMW X3. (410 Nm @ 1500 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 Audi A8 | 2003 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2995 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 201 HP |
| Engine RPM | 3750 RPM | 4000 RPM |
| Torque | 650 Nm | 410 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 90 mm |
| Engine Compression Ratio | 17.5:1 | 17.0:1 |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 8.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1820 kg | 1930 kg |
| Vehicle Length | 5190 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1680 mm |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Consumption Highway | 7.5 L/100km | 7.3 L/100km |
| Fuel Consumption City | 13.4 L/100km | 12.1 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
