2009 Audi A4 vs. 1990 Infiniti G20
To start off, 2009 Audi A4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Infiniti G20. In addition, the cost of maintenance, including insurance, on 1990 Infiniti G20 would be higher. At 1,998 cc (4 cylinders), 1990 Infiniti G20 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 16 more horse power than 1990 Infiniti G20. (142 HP @ 6400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1990 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 1990 Infiniti G20 weights approximately 315 kg more than 2009 Audi A4.
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, 2009 Audi A4 (250 Nm @ 1500 RPM) has 69 more torque (in Nm) than 1990 Infiniti G20. (181 Nm @ 4800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Infiniti G20.
Compare all specifications:
| 2009 Audi A4 | 1990 Infiniti G20 | |
| Make | Audi | Infiniti |
| Model | A4 | G20 |
| Year Released | 2009 | 1990 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 142 HP |
| Engine RPM | 4500 RPM | 6400 RPM |
| Torque | 250 Nm | 181 Nm |
| Torque RPM | 1500 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 1245 kg |
| Vehicle Length | 4710 mm | 4450 mm |
| Vehicle Width | 2010 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2560 mm |
