2007 Mercedes-Benz B vs. 2012 Audi Q7
To start off, 2012 Audi Q7 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 3,000 cc (6 cylinders), 2012 Audi Q7 is equipped with a bigger engine. In terms of performance, 2012 Audi Q7 (225 HP @ 3750 RPM) has 87 more horse power than 2007 Mercedes-Benz B. (138 HP @ 4200 RPM) In normal driving conditions, 2012 Audi Q7 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2012 Audi Q7 weights approximately 1090 kg more than 2007 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Audi Q7 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2012 Audi Q7 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, 2012 Audi Q7 (550 Nm @ 1750 RPM) has 250 more torque (in Nm) than 2007 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2012 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
Compare all specifications:
| 2007 Mercedes-Benz B | 2012 Audi Q7 | |
| Make | Mercedes-Benz | Audi |
| Model | B | Q7 |
| Year Released | 2007 | 2012 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 225 HP |
| Engine RPM | 4200 RPM | 3750 RPM |
| Torque | 300 Nm | 550 Nm |
| Torque RPM | 1600 RPM | 1750 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1435 kg | 2525 kg |
| Vehicle Length | 4280 mm | 5088 mm |
| Vehicle Width | 1610 mm | 1984 mm |
| Vehicle Height | 1780 mm | 1737 mm |
| Wheelbase Size | 2780 mm | 3002 mm |
| Fuel Tank Capacity | 54 L | 100 L |
