2003 Alfa Romeo 166 vs. 2011 Infiniti G25
To start off, 2011 Infiniti G25 is newer by 8 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 2,959 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2011 Infiniti G25 (218 HP @ 6400 RPM) has 1 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2011 Infiniti G25 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti G25 weights approximately 152 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 2011 Infiniti G25 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti G25 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, 2003 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 11 more torque (in Nm) than 2011 Infiniti G25. (254 Nm @ 4800 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti G25.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2011 Infiniti G25 | |
| Make | Alfa Romeo | Infiniti |
| Model | 166 | G25 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 218 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 265 Nm | 254 Nm |
| Torque RPM | 5000 RPM | 4800 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1702 kg |
| Vehicle Length | 4730 mm | 4773 mm |
| Vehicle Width | 1810 mm | 1773 mm |
| Vehicle Height | 1420 mm | 1453 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Consumption Highway | 9.3 L/100km | 8.7 L/100km |
| Fuel Consumption City | 19.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 69 L | 76 L |
