2006 Audi S4 vs. 2003 BMW X Activity
To start off, 2006 Audi S4 is newer by 3 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 4,162 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 111 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2003 BMW X Activity. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X Activity weights approximately 355 kg more than 2006 Audi S4.
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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2006 Audi S4 | 2003 BMW X Activity | |
| Make | Audi | BMW |
| Model | S4 | X Activity |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2992 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 228 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 410 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1630 kg |
| Vehicle Length | 4590 mm | 4560 mm |
| Wheelbase Size | 2650 mm | 2830 mm |
| Fuel Tank Capacity | 63 L | 63 L |
