2005 BMW X3 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 316 more horse power than 2005 BMW X3. (184 HP @ 6000 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 190 kg more than 2005 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW M6. In wet, icy, snow, or gravel driving conditions, 2005 BMW X3 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, 2008 BMW M6 (520 Nm @ 6100 RPM) has 283 more torque (in Nm) than 2005 BMW X3. (237 Nm @ 3500 RPM). This means 2008 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2008 BMW M6 | |
| Make | BMW | BMW |
| Model | X3 | M6 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 500 HP |
| Engine RPM | 6000 RPM | 7750 RPM |
| Torque | 237 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 2005 kg |
| Vehicle Length | 4570 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1680 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2790 mm |
| Fuel Consumption Overall | 11.8 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
