2003 Alfa Romeo 166 vs. 2007 Mercedes-Benz GL
To start off, 2007 Mercedes-Benz GL is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 4,663 cc (8 cylinders), 2007 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (335 HP @ 6000 RPM) has 118 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 880 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 195 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Mercedes-Benz GL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | GL |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 335 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 460 Nm |
| Torque RPM | 5000 RPM | 2700 RPM |
| Engine Bore Size | 93 mm | 92.9 mm |
| Engine Stroke Size | 72.6 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Top Speed | 236 km/hour | 235 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 2430 kg |
| Vehicle Length | 4730 mm | 5090 mm |
| Vehicle Width | 1810 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2600 mm | 3080 mm |
| Fuel Consumption Overall | 13 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 69 L | 100 L |
