2003 Alfa Romeo 156 vs. 2012 Mercedes-Benz G
To start off, 2012 Mercedes-Benz G is newer by 9 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 5,500 cc (8 cylinders), 2012 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz G (382 HP @ 6000 RPM) has 244 more horse power than 2003 Alfa Romeo 156. (138 HP @ 4000 RPM) In normal driving conditions, 2012 Mercedes-Benz G should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz G weights approximately 1242 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 2012 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, 2012 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, 2012 Mercedes-Benz G (530 Nm @ 2800 RPM) has 225 more torque (in Nm) than 2003 Alfa Romeo 156. (305 Nm @ 2000 RPM). This means 2012 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2012 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. 2012 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2012 Mercedes-Benz G | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | G |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5500 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 382 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 305 Nm | 530 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 209 km/hour | 209 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1308 kg | 2550 kg |
| Vehicle Length | 4440 mm | 4686 mm |
| Vehicle Width | 1750 mm | 1824 mm |
| Vehicle Height | 1440 mm | 1930 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Consumption | 4.7 L/100km | 15.7 L/100km |
| Fuel Consumption City | 8 L/100km | 19.6 L/100km |
| Fuel Tank Capacity | 63 L | 96 L |
