2005 BMW 745 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 745. In addition, the cost of maintenance, including insurance, on 2005 BMW 745 would be higher. At 4,397 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 111 more horse power than 2005 BMW 745. (328 HP @ 6000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2005 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 6 kg more than 2013 BMW 6 series.
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 201 more torque (in Nm) than 2005 BMW 745. (450 Nm @ 3600 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 745.
Compare all specifications:
| 2005 BMW 745 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 745 | 6 series |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 439 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 450 Nm | 651 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1939 kg |
| Vehicle Length | 5040 mm | 5009 mm |
| Vehicle Width | 1910 mm | 2081 mm |
| Vehicle Height | 1500 mm | 1392 mm |
| Wheelbase Size | 3000 mm | 2968 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 88 L | 70 L |
