2005 Audi A4 vs. 2010 Infiniti M
To start off, 2010 Infiniti M is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,493 cc (8 cylinders), 2010 Infiniti M is equipped with a bigger engine. In terms of performance, 2010 Infiniti M (325 HP @ 6400 RPM) has 108 more horse power than 2005 Audi A4. (217 HP @ 4000 RPM) In normal driving conditions, 2010 Infiniti M should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti M weights approximately 21 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2010 Infiniti M (456 Nm) has 156 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2010 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2010 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2005 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4493 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 325 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 300 Nm | 456 Nm |
| Engine Compression Ratio | 10.1:1 | 10.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1719 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 | 8.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
