2003 Audi A6 vs. 2006 Infiniti M
To start off, 2006 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 4,494 cc (8 cylinders), 2006 Infiniti M is equipped with a bigger engine. In terms of performance, 2006 Infiniti M (335 HP @ 6400 RPM) has 157 more horse power than 2003 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2006 Infiniti M should accelerate faster than 2003 Audi A6.
Because 2006 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Infiniti M (461 Nm @ 4000 RPM) has 91 more torque (in Nm) than 2003 Audi A6. (370 Nm @ 1400 RPM). This means 2006 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2006 Infiniti M has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2006 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A6 | M |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 335 HP |
| Engine RPM | 3300 RPM | 6400 RPM |
| Torque | 370 Nm | 461 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1860 mm | 140 mm |
| Vehicle Height | 1470 mm | 140 mm |
| Fuel Tank Capacity | 70 L | 75 L |
