2009 BMW 523 vs. 2005 Mercury Mariner
To start off, 2009 BMW 523 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2005 Mercury Mariner would be higher. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 BMW 523 (175 HP @ 5800 RPM) has 22 more horse power than 2005 Mercury Mariner. (153 HP @ 5800 RPM). In normal driving conditions, 2009 BMW 523 should accelerate faster than 2005 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mariner weights approximately 89 kg more than 2009 BMW 523.
Because 2005 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. In wet, icy, snow, or gravel driving conditions, 2005 Mercury Mariner 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, 2009 BMW 523 (230 Nm @ 3500 RPM) has 24 more torque (in Nm) than 2005 Mercury Mariner. (206 Nm @ 4250 RPM). This means 2009 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner. 2005 Mercury Mariner has automatic transmission and 2009 BMW 523 has manual transmission. 2009 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 523 | 2005 Mercury Mariner | |
| Make | BMW | Mercury |
| Model | 523 | Mariner |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2261 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 153 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 206 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 78.8 mm | 94 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1579 kg |
| Vehicle Length | 4850 mm | 4430 mm |
| Vehicle Width | 1470 mm | 1790 mm |
| Vehicle Height | 1850 mm | 1730 mm |
| Wheelbase Size | 2890 mm | 2630 mm |
| Fuel Consumption Overall | 8.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
