2007 Audi A8 vs. 2003 BMW X Activity
To start off, 2007 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X Activity. In addition, the cost of maintenance, including insurance, on 2003 BMW X Activity would be higher. At 3,123 cc (6 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (256 HP) has 28 more horse power than 2003 BMW X Activity. (228 HP). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2003 BMW X Activity. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 250 kg more than 2003 BMW X Activity. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X Activity is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A8. In wet, icy, snow, or gravel driving conditions, 2003 BMW X Activity 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 Audi A8 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2007 Audi A8 | 2003 BMW X Activity | |
| Make | Audi | BMW |
| Model | A8 | X Activity |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 228 HP |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 89.6 mm |
| Engine Compression Ratio | 13.0:1 | 10.2:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1630 kg |
| Vehicle Length | 5060 mm | 4560 mm |
| Wheelbase Size | 2950 mm | 2830 mm |
| Fuel Tank Capacity | 90 L | 63 L |
