2007 Audi A4 vs. 2011 Rolls-Royce Ghost
To start off, 2011 Rolls-Royce Ghost is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 6,600 cc (12 cylinders), 2011 Rolls-Royce Ghost is equipped with a bigger engine. In terms of performance, 2011 Rolls-Royce Ghost (563 HP @ 5250 RPM) has 362 more horse power than 2007 Audi A4. (201 HP @ 4500 RPM) In normal driving conditions, 2011 Rolls-Royce Ghost should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Rolls-Royce Ghost weights approximately 785 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Rolls-Royce Ghost. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2011 Rolls-Royce Ghost (779 Nm @ 1500 RPM) has 329 more torque (in Nm) than 2007 Audi A4. (450 Nm @ 1400 RPM). This means 2011 Rolls-Royce Ghost will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2011 Rolls-Royce Ghost | |
| Make | Audi | Rolls-Royce |
| Model | A4 | Ghost |
| Year Released | 2007 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 6600 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 563 HP |
| Engine RPM | 4500 RPM | 5250 RPM |
| Torque | 450 Nm | 779 Nm |
| Torque RPM | 1400 RPM | 1500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1705 kg | 2490 kg |
| Vehicle Length | 4590 mm | 5400 mm |
| Vehicle Width | 1780 mm | 1948 mm |
| Vehicle Height | 1430 mm | 1549 mm |
| Wheelbase Size | 2650 mm | 3294 mm |
| Fuel Tank Capacity | 66 L | 83 L |
