2008 Audi A4 vs. 2010 Infiniti M
To start off, 2010 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 3,498 cc (6 cylinders), 2010 Infiniti M is equipped with a bigger engine. In terms of performance, 2010 Infiniti M (303 HP @ 6800 RPM) has 103 more horse power than 2008 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 2010 Infiniti M should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti M weights approximately 547 kg more than 2008 Audi A4. 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, 2010 Infiniti M (355 Nm @ 4800 RPM) has 73 more torque (in Nm) than 2008 Audi A4. (282 Nm @ 1800 RPM). This means 2010 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2010 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2008 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 303 HP |
| Engine RPM | 5100 RPM | 6800 RPM |
| Torque | 282 Nm | 355 Nm |
| Torque RPM | 1800 RPM | 4800 RPM |
| Engine Bore Size | 82.5 mm | 95.5 mm |
| Engine Stroke Size | 92.8 mm | 81.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1175 kg | 1722 kg |
| Vehicle Length | 4580 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption | 7.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 10.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
