2003 Alfa Romeo 147 vs. 2001 Infiniti QX4
To start off, 2003 Alfa Romeo 147 is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2001 Infiniti QX4 would be higher. At 3,497 cc (6 cylinders), 2001 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2001 Infiniti QX4 (238 HP @ 6000 RPM) has 120 more horse power than 2003 Alfa Romeo 147. (118 HP @ 6200 RPM) In normal driving conditions, 2001 Infiniti QX4 should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2001 Infiniti QX4 weights approximately 635 kg more than 2003 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2001 Infiniti QX4 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, 2001 Infiniti QX4 (359 Nm @ 3200 RPM) has 213 more torque (in Nm) than 2003 Alfa Romeo 147. (146 Nm @ 4200 RPM). This means 2001 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 2001 Infiniti QX4 has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2001 Infiniti QX4 | |
| Make | Alfa Romeo | Infiniti |
| Model | 147 | QX4 |
| Year Released | 2003 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 238 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 146 Nm | 359 Nm |
| Torque RPM | 4200 RPM | 3200 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1960 kg |
| Vehicle Length | 4180 mm | 5080 mm |
| Vehicle Width | 1740 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 60 L |
