2009 Audi A4 vs. 2013 Infiniti JX
To start off, 2013 Infiniti JX is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 3,500 cc (4 cylinders), 2013 Infiniti JX is equipped with a bigger engine. In terms of performance, 2013 Infiniti JX (261 HP @ 6400 RPM) has 44 more horse power than 2009 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2013 Infiniti JX should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti JX weights approximately 334 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 Infiniti JX (336 Nm @ 4400 RPM) has 36 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 3200 RPM). This means 2013 Infiniti JX will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2013 Infiniti JX has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Infiniti JX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2013 Infiniti JX | |
| Make | Audi | Infiniti |
| Model | A4 | JX |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 261 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 300 Nm | 336 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 95 mm |
| Engine Stroke Size | 92.8 mm | 81 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1675 kg | 2009 kg |
| Vehicle Length | 4580 mm | 4989 mm |
| Vehicle Width | 1780 mm | 1961 mm |
| Vehicle Height | 1400 mm | 1722 mm |
| Wheelbase Size | 2660 mm | 2901 mm |
