2003 Alfa Romeo 156 vs. 2012 Infiniti QX56
To start off, 2012 Infiniti QX56 is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 5,600 cc (8 cylinders), 2012 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2012 Infiniti QX56 (400 HP @ 5800 RPM) has 287 more horse power than 2003 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2012 Infiniti QX56 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti QX56 weights approximately 1233 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Infiniti QX56 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 2012 Infiniti QX56. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2012 Infiniti QX56 (559 Nm @ 4000 RPM) has 284 more torque (in Nm) than 2003 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2012 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2012 Infiniti QX56 has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2012 Infiniti QX56 | |
| Make | Alfa Romeo | Infiniti |
| Model | 156 | QX56 |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 5600 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 400 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 275 Nm | 559 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1305 kg | 2538 kg |
| Vehicle Length | 4440 mm | 5291 mm |
| Vehicle Width | 1750 mm | 2029 mm |
| Vehicle Height | 1440 mm | 1925 mm |
| Wheelbase Size | 2600 mm | 3076 mm |
| Fuel Consumption | 4.9 L/100km | 11.8 L/100km |
| Fuel Consumption City | 8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 63 L | 98 L |
