2005 Alfa Romeo 156 vs. 2011 Infiniti G25
To start off, 2011 Infiniti G25 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 2,500 cc (6 cylinders), 2011 Infiniti G25 is equipped with a bigger engine. In terms of performance, 2011 Infiniti G25 (218 HP @ 6400 RPM) has 70 more horse power than 2005 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 2011 Infiniti G25 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti G25 weights approximately 279 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Infiniti G25 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Infiniti G25. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Infiniti G25 (254 Nm @ 4800 RPM) has 73 more torque (in Nm) than 2005 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 2011 Infiniti G25 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2011 Infiniti G25 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti G25 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2011 Infiniti G25 | |
| Make | Alfa Romeo | Infiniti |
| Model | 156 | G25 |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 218 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 181 Nm | 254 Nm |
| Torque RPM | 3800 RPM | 4800 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1338 kg | 1617 kg |
| Vehicle Length | 4450 mm | 4773 mm |
| Vehicle Width | 1750 mm | 1773 mm |
| Vehicle Height | 1440 mm | 1453 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Tank Capacity | 63 L | 76 L |
