2006 BMW X3 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW X3. In addition, the cost of maintenance, including insurance, on 2006 BMW X3 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 238 more horse power than 2006 BMW X3. (201 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 227 kg more than 2006 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 7 Series. In wet, icy, snow, or gravel driving conditions, 2006 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 241 more torque (in Nm) than 2006 BMW X3. (410 Nm @ 1500 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2006 BMW X3 | 2013 BMW 7 Series | |
| Make | BMW | BMW |
| Model | X3 | 7 Series |
| Year Released | 2006 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 439 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 410 Nm | 651 Nm |
| Torque RPM | 1500 RPM | 4500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.0 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 205 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1925 kg | 2152 kg |
| Vehicle Length | 4570 mm | 5074 mm |
| Vehicle Width | 1860 mm | 2134 mm |
| Vehicle Height | 1680 mm | 1471 mm |
| Wheelbase Size | 2800 mm | 3070 mm |
| Fuel Tank Capacity | 67 L | 80 L |
