2005 Audi A8 vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 3,936 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 3750 RPM) has 34 more horse power than 2013 Mercedes-Benz M. (237 HP @ 3600 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2013 Mercedes-Benz M. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 405 kg more than 2005 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 33 more torque (in Nm) than 2013 Mercedes-Benz M. (617 Nm @ 2400 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2013 Mercedes-Benz M. 2005 Audi A8 has automatic transmission and 2013 Mercedes-Benz M has manual transmission. 2013 Mercedes-Benz M will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2013 Mercedes-Benz M | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | M |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 237 HP |
| Engine RPM | 3750 RPM | 3600 RPM |
| Torque | 650 Nm | 617 Nm |
| Torque RPM | 1800 RPM | 2400 RPM |
| Engine Compression Ratio | 18.0:1 | 15.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 8.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 2175 kg |
| Vehicle Length | 5190 mm | 4804 mm |
| Vehicle Width | 1900 mm | 2141 mm |
| Vehicle Height | 1460 mm | 1796 mm |
| Wheelbase Size | 3080 mm | 2915 mm |
