2006 BMW 730 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 7 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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 211 more horse power than 2006 BMW 730. (228 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2006 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 75 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 131 more torque (in Nm) than 2006 BMW 730. (520 Nm @ 2000 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 730.
Compare all specifications:
| 2006 BMW 730 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 730 | 6 series |
| Year Released | 2006 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 439 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 520 Nm | 651 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1975 kg | 2050 kg |
| Vehicle Length | 5050 mm | 4897 mm |
| Vehicle Width | 1910 mm | 1895 mm |
| Vehicle Height | 1500 mm | 1364 mm |
| Wheelbase Size | 3000 mm | 2855 mm |
| Fuel Tank Capacity | 88 L | 70 L |
