2008 Acura MDX vs. 2005 BMW 645
To start off, 2008 Acura MDX is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 26 more horse power than 2008 Acura MDX. (300 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 2008 Acura MDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 445 kg more than 2008 Acura MDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Acura MDX is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 2008 Acura MDX 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 74 more torque (in Nm) than 2008 Acura MDX. (373 Nm @ 5000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Acura MDX. 2008 Acura MDX has automatic transmission and 2005 BMW 645 has manual transmission. 2005 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Acura MDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Acura MDX | 2005 BMW 645 | |
| Make | Acura | BMW |
| Model | MDX | 645 |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 326 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 373 Nm | 447 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1895 kg |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 2000 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1380 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Consumption Highway | 11.8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 79 L | 70 L |
