2006 BMW 730 vs. 2012 BMW X6
To start off, 2012 BMW X6 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 730. In addition, the cost of maintenance, including insurance, on 2006 BMW 730 would be higher. At 4,400 cc (8 cylinders), 2012 BMW X6 is equipped with a bigger engine. In terms of performance, 2012 BMW X6 (400 HP @ 5500 RPM) has 172 more horse power than 2006 BMW 730. (228 HP @ 4000 RPM) In normal driving conditions, 2012 BMW X6 should accelerate faster than 2006 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X6 weights approximately 395 kg more than 2006 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 730. In wet, icy, snow, or gravel driving conditions, 2012 BMW X6 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, 2012 BMW X6 (609 Nm @ 1750 RPM) has 89 more torque (in Nm) than 2006 BMW 730. (520 Nm @ 2000 RPM). This means 2012 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 730. 2012 BMW X6 has automatic transmission and 2006 BMW 730 has manual transmission. 2006 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 730 | 2012 BMW X6 | |
| Make | BMW | BMW |
| Model | 730 | X6 |
| Year Released | 2006 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 400 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 520 Nm | 609 Nm |
| Torque RPM | 2000 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1975 kg | 2370 kg |
| Vehicle Length | 5050 mm | 4877 mm |
| Vehicle Width | 1910 mm | 1983 mm |
| Vehicle Height | 1500 mm | 1690 mm |
| Wheelbase Size | 3000 mm | 2933 mm |
| Fuel Tank Capacity | 88 L | 85 L |
