2005 Acura MDX vs. 2009 Audi A8
To start off, 2009 Audi A8 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 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 6 more horse power than 2005 Acura MDX. (266 HP @ 5600 RPM) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Acura MDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Acura MDX weights approximately 79 kg more than 2009 Audi A8.
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 A8 (650 Nm) has 307 more torque (in Nm) than 2005 Acura MDX. (343 Nm). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura MDX.
Compare all specifications:
| 2005 Acura MDX | 2009 Audi A8 | |
| Make | Acura | Audi |
| Model | MDX | A8 |
| Year Released | 2005 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 3936 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 266 HP | 272 HP |
| Engine RPM | 5600 RPM | 3750 RPM |
| Torque | 343 Nm | 650 Nm |
| Engine Bore Size | 89 mm | 81 mm |
| Engine Stroke Size | 93 mm | 95.5 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2019 kg | 1940 kg |
| Vehicle Length | 4800 mm | 5190 mm |
| Vehicle Width | 1960 mm | 1900 mm |
| Vehicle Height | 1750 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 3080 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 77 L | 90 L |
