2009 Audi Q7 vs. 2009 Rolls-Royce Phantom Drophead Coupe
To start off, both 2009 Audi Q7 and 2009 Rolls-Royce Phantom Drophead Coupe were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 6,749 cc (12 cylinders), 2009 Rolls-Royce Phantom Drophead Coupe is equipped with a bigger engine. In terms of performance, 2009 Rolls-Royce Phantom Drophead Coupe (448 HP @ 5350 RPM) has 103 more horse power than 2009 Audi Q7. (345 HP @ 6800 RPM) In normal driving conditions, 2009 Rolls-Royce Phantom Drophead Coupe should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Rolls-Royce Phantom Drophead Coupe weights approximately 376 kg more than 2009 Audi Q7. 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 2009 Rolls-Royce Phantom Drophead Coupe. 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 Rolls-Royce Phantom Drophead Coupe (531 Nm @ 3500 RPM) has 91 more torque (in Nm) than 2009 Audi Q7. (440 Nm @ 3500 RPM). This means 2009 Rolls-Royce Phantom Drophead Coupe will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2009 Rolls-Royce Phantom Drophead Coupe | |
| Make | Audi | Rolls-Royce |
| Model | Q7 | Phantom Drophead Coupe |
| Year Released | 2009 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6749 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 345 HP | 448 HP |
| Engine RPM | 6800 RPM | 5350 RPM |
| Torque | 440 Nm | 531 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 84.6 mm |
| Engine Compression Ratio | 12.5:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 244 km/hour | 239 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2244 kg | 2620 kg |
| Vehicle Length | 5090 mm | 5840 mm |
| Vehicle Height | 1740 mm | 1640 mm |
| Wheelbase Size | 3010 mm | 3580 mm |
| Fuel Tank Capacity | 100 L | 100 L |
