2007 Audi A4 vs. 2002 Infiniti G20
To start off, 2007 Audi A4 is newer by 5 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 3,189 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 106 more horse power than 2002 Infiniti G20. (146 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2002 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 284 kg more than 2002 Infiniti G20. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi A4 (331 Nm @ 3250 RPM) has 146 more torque (in Nm) than 2002 Infiniti G20. (185 Nm @ 4800 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti G20.
Compare all specifications:
| 2007 Audi A4 | 2002 Infiniti G20 | |
| Make | Audi | Infiniti |
| Model | A4 | G20 |
| Year Released | 2007 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 146 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 331 Nm | 185 Nm |
| Torque RPM | 3250 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1326 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
