2005 Acura MDX vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Acura MDX. In addition, the cost of maintenance, including insurance, on 2005 Acura MDX would be higher. At 3,464 cc (6 cylinders), 2005 Acura MDX is equipped with a bigger engine. In terms of performance, 2005 Acura MDX (238 HP @ 5300 RPM) has 63 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2005 Acura MDX should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 Acura MDX weights approximately 470 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Acura MDX is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2005 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 Acura MDX (332 Nm @ 3000 RPM) has 102 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 Acura MDX will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523. 2005 Acura MDX has automatic transmission and 2007 BMW 523 has manual transmission. 2007 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Acura MDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Acura MDX | 2007 BMW 523 | |
| Make | Acura | BMW |
| Model | MDX | 523 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3464 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 175 HP |
| Engine RPM | 5300 RPM | 5800 RPM |
| Torque | 332 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 88.9 mm | 82 mm |
| Engine Stroke Size | 93 mm | 78.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1970 kg | 1500 kg |
| Vehicle Length | 4790 mm | 4850 mm |
| Vehicle Width | 1950 mm | 1470 mm |
| Vehicle Height | 1750 mm | 1850 mm |
| Wheelbase Size | 2710 mm | 2890 mm |
| Fuel Tank Capacity | 65 L | 70 L |
