2007 BMW 550 vs. 2008 Mercury Sable
To start off, 2008 Mercury Sable is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 550. In addition, the cost of maintenance, including insurance, on 2007 BMW 550 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 397 more horse power than 2008 Mercury Sable. (260 HP @ 6250 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 2008 Mercury Sable. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercury Sable weights approximately 172 kg more than 2007 BMW 550.
Because 2007 BMW 550 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 2007 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2008 Mercury Sable, 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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 158 more torque (in Nm) than 2008 Mercury Sable. (332 Nm @ 4500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercury Sable.
Compare all specifications:
| 2007 BMW 550 | 2008 Mercury Sable | |
| Make | BMW | Mercury |
| Model | 550 | Sable |
| Year Released | 2007 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 3495 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 657 HP | 260 HP |
| Engine RPM | 3400 RPM | 6250 RPM |
| Torque | 490 Nm | 332 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1832 kg |
| Vehicle Length | 4850 mm | 5100 mm |
| Vehicle Width | 1470 mm | 1900 mm |
| Vehicle Height | 1850 mm | 1570 mm |
| Wheelbase Size | 2890 mm | 2870 mm |
| Fuel Consumption Overall | 10.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 78 L |
