2005 Audi S4 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 S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (511 HP @ 5250 RPM) has 171 more horse power than 2005 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 490 kg more than 2005 Audi S4. 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, 2013 Mercedes-Benz M (700 Nm @ 5000 RPM) has 290 more torque (in Nm) than 2005 Audi S4. (410 Nm @ 3500 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2013 Mercedes-Benz M | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | M |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5500 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 511 HP |
| Engine RPM | 7000 RPM | 5250 RPM |
| Torque | 410 Nm | 700 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 85 mm | 98 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 4.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1855 kg | 2345 kg |
| Vehicle Length | 4580 mm | 4817 mm |
| Vehicle Width | 1790 mm | 2141 mm |
| Vehicle Height | 1450 mm | 1796 mm |
| Wheelbase Size | 2660 mm | 2915 mm |
| Fuel Consumption Highway | 11.4 L/100km | 9.6 L/100km |
| Fuel Consumption City | 15.8 L/100km | 15.7 L/100km |
