2003 Alfa Romeo 166 vs. 2007 Hummer H3
To start off, 2007 Hummer H3 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 3,700 cc (5 cylinders), 2007 Hummer H3 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 5 more horse power than 2007 Hummer H3. (242 HP @ 5600 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2007 Hummer H3.
Because 2007 Hummer H3 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 Hummer H3 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 Hummer H3 (329 Nm @ 4600 RPM) has 40 more torque (in Nm) than 2003 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2007 Hummer H3 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 Hummer H3 | |
| Make | Alfa Romeo | Hummer |
| Model | 166 | H3 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 242 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 289 Nm | 329 Nm |
| Torque RPM | 4800 RPM | 4600 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4730 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2550 mm | 2850 mm |
| Fuel Consumption | 9.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 18.3 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 69 L | 87 L |
