2004 Audi A8 vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 4,494 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 54 more horse power than 2004 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 620 kg more than 2008 Infiniti M.
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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 194 more torque (in Nm) than 2008 Infiniti M. (456 Nm @ 4000 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti M.
Compare all specifications:
| 2004 Audi A8 | 2008 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A8 | M |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3935 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 325 HP |
| Engine RPM | 3750 RPM | 6400 RPM |
| Torque | 650 Nm | 456 Nm |
| Torque RPM | 1800 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 | 1940 kg | 1320 kg |
| Vehicle Length | 5060 mm | 4900 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1530 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
| Fuel Consumption Overall | 9.7 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 90 L | 76 L |
