2007 Audi S4 vs. 2013 Infiniti EX
To start off, 2013 Infiniti EX is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 18 more horse power than 2013 Infiniti EX. (321 HP @ 7000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2013 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti EX weights approximately 73 kg more than 2007 Audi S4.
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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 48 more torque (in Nm) than 2013 Infiniti EX. (362 Nm @ 5200 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2013 Infiniti EX. 2013 Infiniti EX has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Infiniti EX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2013 Infiniti EX | |
| Make | Audi | Infiniti |
| Model | S4 | EX |
| Year Released | 2007 | 2013 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 321 HP |
| Engine RPM | 7000 RPM | 7000 RPM |
| Torque | 410 Nm | 362 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Engine Bore Size | 84.5 mm | 95 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Fuel Type | Gasoline | Natural Gas (CNG) |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1722 kg | 1795 kg |
| Vehicle Length | 4590 mm | 4631 mm |
| Vehicle Width | 1730 mm | 1803 mm |
| Vehicle Height | 1430 mm | 1589 mm |
| Wheelbase Size | 2650 mm | 2850 mm |
