2002 Alfa Romeo 166 vs. 2004 Infiniti Q45
To start off, 2004 Infiniti Q45 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 166 would be higher. At 4,490 cc (8 cylinders), 2004 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2004 Infiniti Q45 (340 HP) has 192 more horse power than 2002 Alfa Romeo 166. (148 HP) In normal driving conditions, 2004 Infiniti Q45 should accelerate faster than 2002 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti Q45 weights approximately 309 kg more than 2002 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Infiniti Q45 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 2004 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2002 Alfa Romeo 166, 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, 2004 Infiniti Q45 (452 Nm) has 270 more torque (in Nm) than 2002 Alfa Romeo 166. (182 Nm). This means 2004 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 166. 2004 Infiniti Q45 has automatic transmission and 2002 Alfa Romeo 166 has manual transmission. 2002 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Alfa Romeo 166 | 2004 Infiniti Q45 | |
| Make | Alfa Romeo | Infiniti |
| Model | 166 | Q45 |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4490 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 340 HP |
| Torque | 182 Nm | 452 Nm |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91 mm | 83 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1804 kg |
| Vehicle Length | 4730 mm | 5080 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2600 mm | 2880 mm |
| Fuel Consumption Overall | 9.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 81 L |
