2009 Audi Q7 vs. 2002 Infiniti G20
To start off, 2009 Audi Q7 is newer by 7 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 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 348 more horse power than 2002 Infiniti G20. (146 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2002 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1279 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.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Infiniti G20. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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, 2009 Audi Q7 (1,000 Nm @ 1750 RPM) has 815 more torque (in Nm) than 2002 Infiniti G20. (185 Nm @ 4800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti G20. 2009 Audi Q7 has automatic transmission and 2002 Infiniti G20 has manual transmission. 2002 Infiniti G20 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2002 Infiniti G20 | |
| Make | Audi | Infiniti |
| Model | Q7 | G20 |
| Year Released | 2009 | 2002 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 1998 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 146 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 1000 Nm | 185 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 16.0:1 | 9.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2605 kg | 1326 kg |
| Vehicle Length | 5070 mm | 4520 mm |
| Vehicle Width | 2010 mm | 1700 mm |
| Vehicle Height | 1700 mm | 1410 mm |
| Wheelbase Size | 3010 mm | 2610 mm |
| Fuel Tank Capacity | 100 L | 60 L |
