2004 BMW 645 vs. 2005 Mercury Mariner
To start off, 2005 Mercury Mariner is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP) has 127 more horse power than 2005 Mercury Mariner. (201 HP). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2005 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 191 kg more than 2005 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner, 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, 2004 BMW 645 (450 Nm) has 188 more torque (in Nm) than 2005 Mercury Mariner. (262 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2004 BMW 645 | 2005 Mercury Mariner | |
| Make | BMW | Mercury |
| Model | 645 | Mariner |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 201 HP |
| Torque | 450 Nm | 262 Nm |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1499 kg |
| Vehicle Length | 4830 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1730 mm |
| Wheelbase Size | 2830 mm | 2630 mm |
| Fuel Consumption Overall | 12 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
