2004 Alfa Romeo 156 vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 3,000 cc (6 cylinders), 2013 Mercedes-Benz M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (237 HP @ 3600 RPM) has 99 more horse power than 2004 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 785 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Mercedes-Benz M is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz M 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, 2013 Mercedes-Benz M (617 Nm @ 2400 RPM) has 454 more torque (in Nm) than 2004 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2013 Mercedes-Benz M | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | M |
| Year Released | 2004 | 2013 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 237 HP |
| Engine RPM | 6500 RPM | 3600 RPM |
| Torque | 163 Nm | 617 Nm |
| Torque RPM | 3900 RPM | 2400 RPM |
| Engine Bore Size | 82.1 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 15.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 9.7 seconds | 8.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 2175 kg |
| Vehicle Length | 4450 mm | 4804 mm |
| Vehicle Width | 1750 mm | 2141 mm |
| Vehicle Height | 1400 mm | 1796 mm |
| Wheelbase Size | 2600 mm | 2915 mm |
