2006 BMW 645 vs. 2013 Ford Flex
To start off, 2013 Ford Flex is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 47 more horse power than 2013 Ford Flex. (281 HP @ 6500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2013 Ford Flex. With that said, vehicle weight also plays an important factor in acceleration. 2013 Ford Flex weights approximately 218 kg more than 2006 BMW 645.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2013 Ford Flex, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 104 more torque (in Nm) than 2013 Ford Flex. (346 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2013 Ford Flex.
Compare all specifications:
| 2006 BMW 645 | 2013 Ford Flex | |
| Make | BMW | Ford |
| Model | 645 | Flex |
| Year Released | 2006 | 2013 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 281 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 450 Nm | 346 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1810 kg | 2028 kg |
| Vehicle Length | 4830 mm | 5125 mm |
| Vehicle Width | 1860 mm | 2256 mm |
| Vehicle Height | 1380 mm | 1726 mm |
| Wheelbase Size | 2790 mm | 2994 mm |
| Fuel Tank Capacity | 70 L | 70 L |
