2007 BMW M3 vs. 2003 BMW X Activity
To start off, 2007 BMW M3 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 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 4900 RPM) has 110 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM). In normal driving conditions, 2007 BMW M3 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 60 kg more than 2007 BMW M3.
Because 2003 BMW X Activity is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M3. 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 BMW M3 (365 Nm @ 4900 RPM) has 65 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2007 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2007 BMW M3 | 2003 BMW X Activity | |
| Make | BMW | BMW |
| Model | M3 | X Activity |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 338 HP | 228 HP |
| Engine RPM | 4900 RPM | 5900 RPM |
| Torque | 365 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 91 mm | 89.6 mm |
| Engine Compression Ratio | 11.5:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1570 kg | 1630 kg |
| Vehicle Length | 4500 mm | 4560 mm |
| Wheelbase Size | 2740 mm | 2830 mm |
| Fuel Tank Capacity | 63 L | 63 L |
