2006 BMW 645 vs. 2009 Mercury Sable
To start off, 2009 Mercury Sable is newer by 3 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 65 more horse power than 2009 Mercury Sable. (263 HP @ 6250 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2009 Mercury Sable. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Sable weights approximately 115 kg more than 2006 BMW 645.
Because 2009 Mercury Sable is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 Mercury Sable 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 112 more torque (in Nm) than 2009 Mercury Sable. (338 Nm @ 4500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Sable.
Compare all specifications:
| 2006 BMW 645 | 2009 Mercury Sable | |
| Make | BMW | Mercury |
| Model | 645 | Sable |
| Year Released | 2006 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 263 HP |
| Engine RPM | 6100 RPM | 6250 RPM |
| Torque | 450 Nm | 338 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Compression Ratio | 10.0:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 1925 kg |
| Vehicle Length | 4830 mm | 5140 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1380 mm | 1570 mm |
| Wheelbase Size | 2790 mm | 2870 mm |
| Fuel Consumption Overall | 13.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 78 L |
