2007 Audi S4 vs. 2002 Infiniti QX4
To start off, 2007 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2002 Infiniti QX4 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 (340 HP @ 7000 RPM) has 102 more horse power than 2002 Infiniti QX4. (238 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2002 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti QX4 weights approximately 300 kg more than 2007 Audi S4.
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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 51 more torque (in Nm) than 2002 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti QX4. 2002 Infiniti QX4 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. 2002 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2002 Infiniti QX4 | |
| Make | Audi | Infiniti |
| Model | S4 | QX4 |
| Year Released | 2007 | 2002 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 238 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 359 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1960 kg |
| Vehicle Length | 4590 mm | 4660 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1800 mm |
| Wheelbase Size | 2650 mm | 2710 mm |
