2004 Alfa Romeo 156 vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 2 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 4,663 cc (8 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (335 HP @ 6000 RPM) has 88 more horse power than 2004 Alfa Romeo 156. (247 HP @ 6200 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 894 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 2006 Mercedes-Benz GL 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, 2006 Mercedes-Benz GL 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 GL (460 Nm @ 2700 RPM) has 160 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 4800 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2006 Mercedes-Benz GL has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2006 Mercedes-Benz GL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 156 | GL |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 335 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 300 Nm | 460 Nm |
| Torque RPM | 4800 RPM | 2700 RPM |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 230 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1536 kg | 2430 kg |
| Vehicle Length | 4450 mm | 5090 mm |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1400 mm | 1850 mm |
| Wheelbase Size | 2710 mm | 3080 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
