2003 Alfa Romeo 147 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 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 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 231 more horse power than 2003 Alfa Romeo 147. (104 HP @ 5600 RPM) In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 1165 kg more than 2003 Alfa Romeo 147. 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 147. 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 320 more torque (in Nm) than 2003 Alfa Romeo 147. (140 Nm @ 4200 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 2007 Mercedes-Benz GL has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2007 Mercedes-Benz GL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 147 | GL |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 335 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 140 Nm | 460 Nm |
| Torque RPM | 4200 RPM | 2700 RPM |
| Engine Compression Ratio | 10.3:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 180 km/hour | 235 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1265 kg | 2430 kg |
| Vehicle Length | 4180 mm | 5090 mm |
| Vehicle Width | 1740 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2550 mm | 3080 mm |
| Fuel Consumption Overall | 8.1 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
