2009 Audi A4 vs. 2008 Infiniti M
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti M. In addition, the cost of maintenance, including insurance, on 2008 Infiniti M would be higher. At 3,498 cc (6 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (275 HP @ 6200 RPM) has 58 more horse power than 2009 Audi A4. (217 HP @ 5900 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 135 kg more than 2008 Infiniti M.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti M will offer significantly more control. 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 (363 Nm @ 4800 RPM) has 63 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 2200 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 Infiniti M has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 275 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 300 Nm | 363 Nm |
| Torque RPM | 2200 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1455 kg | 1320 kg |
| Vehicle Length | 4610 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption Overall | 8.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
