2005 Alfa Romeo 147 vs. 2002 Infiniti G20
To start off, 2005 Alfa Romeo 147 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Infiniti G20. In addition, the cost of maintenance, including insurance, on 2002 Infiniti G20 would be higher. At 1,998 cc (4 cylinders), 2002 Infiniti G20 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 147 (148 HP @ 3800 RPM) has 4 more horse power than 2002 Infiniti G20. (144 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 147 should accelerate faster than 2002 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti G20 weights approximately 17 kg more than 2005 Alfa Romeo 147.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2002 Infiniti G20 (185 Nm @ 4800 RPM) has 4 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2002 Infiniti G20 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147. 2002 Infiniti G20 has automatic transmission and 2005 Alfa Romeo 147 has manual transmission. 2005 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Infiniti G20 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2002 Infiniti G20 | |
| Make | Alfa Romeo | Infiniti |
| Model | 147 | G20 |
| Year Released | 2005 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 144 HP |
| Engine RPM | 3800 RPM | 6000 RPM |
| Torque | 181 Nm | 185 Nm |
| Torque RPM | 3800 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1326 kg | 1343 kg |
| Vehicle Length | 4180 mm | 4520 mm |
| Vehicle Width | 1740 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 60 L |
