2009 Audi Q7 vs. 2005 Mercedes-Benz SLK
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 4,133 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 94 more horse power than 2005 Mercedes-Benz SLK. (228 HP @ 6000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1155 kg more than 2005 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi Q7 (760 Nm @ 2500 RPM) has 459 more torque (in Nm) than 2005 Mercedes-Benz SLK. (301 Nm @ 3500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz SLK. 2009 Audi Q7 has automatic transmission and 2005 Mercedes-Benz SLK has manual transmission. 2005 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2005 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | SLK |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4133 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 322 HP | 228 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 760 Nm | 301 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2420 kg | 1265 kg |
| Vehicle Length | 5090 mm | 4090 mm |
| Vehicle Width | 2090 mm | 1790 mm |
| Vehicle Height | 1780 mm | 1300 mm |
| Wheelbase Size | 3010 mm | 2440 mm |
| Fuel Tank Capacity | 100 L | 70 L |
