2005 Acura MDX vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 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 8 more horse power than 2009 Audi A4. (230 HP @ 4000 RPM). In normal driving conditions, 2005 Acura MDX should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Acura MDX weights approximately 176 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Audi A4 (450 Nm @ 1400 RPM) has 118 more torque (in Nm) than 2005 Acura MDX. (332 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura MDX. 2005 Acura MDX has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 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 | 2009 Audi A4 | |
| Make | Acura | Audi |
| Model | MDX | A4 |
| Year Released | 2005 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3464 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 230 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 332 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 1400 RPM |
| Engine Bore Size | 88.9 mm | 83 mm |
| Engine Stroke Size | 93 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1970 kg | 1794 kg |
| Vehicle Length | 4790 mm | 4580 mm |
| Vehicle Width | 1950 mm | 1780 mm |
| Vehicle Height | 1750 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Tank Capacity | 65 L | 63 L |
