2005 BMW 750 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 8 year(s). Which means there will be less support and parts availability for 2005 BMW 750. In addition, the cost of maintenance, including insurance, on 2005 BMW 750 would be higher. At 4,799 cc (8 cylinders), 2005 BMW 750 is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 74 more horse power than 2005 BMW 750. (363 HP @ 6300 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2005 BMW 750. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 139 kg more than 2005 BMW 750. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series is all wheel drive (AWD), it will have significant more traction and grip than 2005 BMW 750. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 series 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 6 series (649 Nm @ 4500 RPM) has 159 more torque (in Nm) than 2005 BMW 750. (490 Nm @ 3400 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 750.
Compare all specifications:
| 2005 BMW 750 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 750 | 6 series |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 363 HP | 437 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 490 Nm | 649 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6 seconds | 4.8 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1950 kg | 2089 kg |
| Vehicle Length | 5050 mm | 5009 mm |
| Vehicle Width | 1910 mm | 2081 mm |
| Vehicle Height | 1500 mm | 1392 mm |
| Wheelbase Size | 3130 mm | 2968 mm |
| Fuel Consumption Highway | 8.3 L/100km | 7.1 L/100km |
| Fuel Consumption City | 16.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
