2007 Audi S4 vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 2 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 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 53 more horse power than 2007 Audi S4. (340 HP @ 6800 RPM) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2007 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1628 kg more than 2007 Audi S4. 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 Hummer H2 (564 Nm @ 4300 RPM) has 154 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2007 Audi S4 | 2009 Hummer H2 | |
| Make | Audi | Hummer |
| Model | S4 | H2 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6199 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 393 HP |
| Engine RPM | 6800 RPM | 5700 RPM |
| Torque | 410 Nm | 564 Nm |
| Torque RPM | 3500 RPM | 4300 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1275 kg | 2903 kg |
| Vehicle Length | 4580 mm | 4830 mm |
| Vehicle Width | 1780 mm | 2070 mm |
| Vehicle Height | 1400 mm | 2020 mm |
| Wheelbase Size | 2660 mm | 3130 mm |
| Fuel Consumption Overall | 13.1 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 121 L |
