2009 Infiniti EX vs. 2012 Audi S5
To start off, 2012 Audi S5 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Infiniti EX. In addition, the cost of maintenance, including insurance, on 2009 Infiniti EX would be higher. At 3,696 cc (6 cylinders), 2009 Infiniti EX is equipped with a bigger engine. In terms of performance, 2012 Audi S5 (333 HP @ 5500 RPM) has 16 more horse power than 2009 Infiniti EX. (317 HP @ 7000 RPM) In normal driving conditions, 2012 Audi S5 should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2012 Audi S5 weights approximately 236 kg more than 2009 Infiniti EX. 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, 2012 Audi S5 (440 Nm @ 2900 RPM) has 80 more torque (in Nm) than 2009 Infiniti EX. (360 Nm @ 5200 RPM). This means 2012 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX.
Compare all specifications:
| 2009 Infiniti EX | 2012 Audi S5 | |
| Make | Infiniti | Audi |
| Model | EX | S5 |
| Year Released | 2009 | 2012 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 317 HP | 333 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 360 Nm | 440 Nm |
| Torque RPM | 5200 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed automated manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1719 kg | 1955 kg |
| Vehicle Length | 4640 mm | 4623 mm |
| Vehicle Width | 1810 mm | 1852 mm |
| Vehicle Height | 1600 mm | 1382 mm |
| Wheelbase Size | 2810 mm | 2751 mm |
| Fuel Tank Capacity | 82 L | 64 L |
