2007 Audi A8 vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (330 HP @ 6500 RPM) has 5 more horse power than 2008 Infiniti M. (325 HP @ 6400 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2008 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 73 kg more than 2008 Infiniti M. 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 26 more torque (in Nm) than 2007 Audi A8. (430 Nm @ 3500 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2007 Audi A8 | 2008 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A8 | M |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4493 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 325 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 430 Nm | 456 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1837 kg |
| Vehicle Length | 5190 mm | 4900 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1520 mm |
| Wheelbase Size | 3080 mm | 2910 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 76 L |
