2003 Alfa Romeo 156 vs. 2006 Mercedes-Benz G
To start off, 2006 Mercedes-Benz G is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 5,439 cc (8 cylinders), 2006 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz G (470 HP @ 6100 RPM) has 332 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2006 Mercedes-Benz G should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz G weights approximately 1110 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz G 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, 2006 Mercedes-Benz G (700 Nm @ 2650 RPM) has 537 more torque (in Nm) than 2003 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2006 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2006 Mercedes-Benz G has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2006 Mercedes-Benz G | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | G |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 470 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 163 Nm | 700 Nm |
| Torque RPM | 3900 RPM | 2650 RPM |
| Engine Bore Size | 82 mm | 97 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Top Speed | 208 km/hour | 210 km/hour |
| Acceleration 0-100mph | 10 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1315 kg | 2425 kg |
| Vehicle Length | 4450 mm | 4670 mm |
| Vehicle Width | 1750 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1940 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 8.6 L/100km | 16.3 L/100km |
| Fuel Tank Capacity | 63 L | 96 L |
