2006 Audi A4 vs. 2003 Infiniti I
To start off, 2006 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti I. In addition, the cost of maintenance, including insurance, on 2003 Infiniti I would be higher. At 2,960 cc (6 cylinders), 2003 Infiniti I is equipped with a bigger engine. In terms of performance, 2003 Infiniti I (224 HP @ 5600 RPM) has 95 more horse power than 2006 Audi A4. (129 HP @ 5700 RPM) In normal driving conditions, 2003 Infiniti I should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti I weights approximately 202 kg more than 2006 Audi A4. 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, 2003 Infiniti I (270 Nm @ 4800 RPM) has 74 more torque (in Nm) than 2006 Audi A4. (196 Nm @ 3300 RPM). This means 2003 Infiniti I will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2003 Infiniti I | |
| Make | Audi | Infiniti |
| Model | A4 | I |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2960 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 224 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 196 Nm | 270 Nm |
| Torque RPM | 3300 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1310 kg | 1512 kg |
| Vehicle Length | 4590 mm | 4930 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2760 mm |
