2003 BMW 645 vs. 2005 Mercury Sable
To start off, 2005 Mercury Sable is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP) has 172 more horse power than 2005 Mercury Sable. (153 HP). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Mercury Sable. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 177 kg more than 2005 Mercury Sable. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 BMW 645 (450 Nm) has 198 more torque (in Nm) than 2005 Mercury Sable. (252 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Sable.
Compare all specifications:
| 2003 BMW 645 | 2005 Mercury Sable | |
| Make | BMW | Mercury |
| Model | 645 | Sable |
| Year Released | 2003 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2983 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 153 HP |
| Torque | 450 Nm | 252 Nm |
| Engine Compression Ratio | 10.5:1 | 9.7:1 |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1513 kg |
| Vehicle Length | 4830 mm | 5080 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2760 mm |
| Fuel Consumption | 8.6 L/100km | 8.7 L/100km |
| Fuel Consumption City | 17.2 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 68 L |
