2003 BMW 645 vs. 2005 Lincoln Aviator
To start off, 2005 Lincoln Aviator 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 4,605 cc (8 cylinders), 2005 Lincoln Aviator is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP) has 19 more horse power than 2005 Lincoln Aviator. (302 HP). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2005 Lincoln Aviator. With that said, vehicle weight also plays an important factor in acceleration. 2005 Lincoln Aviator weights approximately 295 kg more than 2003 BMW 645.
Let's talk about torque, 2003 BMW 645 (450 Nm) has 43 more torque (in Nm) than 2005 Lincoln Aviator. (407 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Lincoln Aviator.
Compare all specifications:
| 2003 BMW 645 | 2005 Lincoln Aviator | |
| Make | BMW | Lincoln |
| Model | 645 | Aviator |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4605 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 302 HP |
| Torque | 450 Nm | 407 Nm |
| Engine Bore Size | 92 mm | 90 mm |
| Engine Stroke Size | 82.7 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 2190 kg |
| Vehicle Length | 4830 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1830 mm |
| Wheelbase Size | 2790 mm | 2890 mm |
| Fuel Consumption | 8.5 L/100km | 13.1 L/100km |
| Fuel Consumption City | 16.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 11.5 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
