2007 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,696 cc (6 cylinders), 2013 Infiniti EX is equipped with a bigger engine. In terms of performance, 2013 Infiniti EX (321 HP @ 7000 RPM) has 69 more horse power than 2007 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2013 Infiniti EX should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti EX weights approximately 253 kg more than 2007 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 EX (362 Nm @ 5200 RPM) has 32 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2013 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2013 Infiniti EX has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 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 A4 | 2013 Infiniti EX | |
| Make | Audi | Infiniti |
| Model | A4 | EX |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 321 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 330 Nm | 362 Nm |
| Torque RPM | 3250 RPM | 5200 RPM |
| Engine Bore Size | 84.5 mm | 95 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1795 kg |
| Vehicle Length | 4590 mm | 4631 mm |
| Vehicle Width | 1780 mm | 1803 mm |
| Vehicle Height | 1430 mm | 1589 mm |
| Wheelbase Size | 2650 mm | 2850 mm |
