2008 Audi S4 vs. 2009 Infiniti EX
To start off, 2009 Infiniti EX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,124 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (456 HP @ 6800 RPM) has 163 more horse power than 2009 Infiniti EX. (293 HP @ 6800 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 176 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2009 Infiniti EX (343 Nm @ 4800 RPM) has 41 more torque (in Nm) than 2008 Audi S4. (302 Nm @ 3500 RPM). This means 2009 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2008 Audi S4 | 2009 Infiniti EX | |
| Make | Audi | Infiniti |
| Model | S4 | EX |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4124 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 456 HP | 293 HP |
| Engine RPM | 6800 RPM | 6800 RPM |
| Torque | 302 Nm | 343 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 220 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 7.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1895 kg | 1719 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1400 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1600 mm |
| Wheelbase Size | 2660 mm | 2810 mm |
| Fuel Consumption Overall | 16.4 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
