2006 Audi RS4 vs. 1991 Rolls-Royce Silver Spirit
To start off, 2006 Audi RS4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Rolls-Royce Silver Spirit. In addition, the cost of maintenance, including insurance, on 1991 Rolls-Royce Silver Spirit would be higher. At 6,750 cc (8 cylinders), 1991 Rolls-Royce Silver Spirit is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (420 HP @ 8250 RPM) has 212 more horse power than 1991 Rolls-Royce Silver Spirit. (208 HP @ 3900 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1991 Rolls-Royce Silver Spirit. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rolls-Royce Silver Spirit weights approximately 831 kg more than 2006 Audi RS4.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Rolls-Royce Silver Spirit. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 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 Audi RS4 (583 Nm @ 5500 RPM) has 180 more torque (in Nm) than 1991 Rolls-Royce Silver Spirit. (403 Nm @ 2000 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rolls-Royce Silver Spirit.
Compare all specifications:
| 2006 Audi RS4 | 1991 Rolls-Royce Silver Spirit | |
| Make | Audi | Rolls-Royce |
| Model | RS4 | Silver Spirit |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6750 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 208 HP |
| Engine RPM | 8250 RPM | 3900 RPM |
| Torque | 583 Nm | 403 Nm |
| Torque RPM | 5500 RPM | 2000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1549 kg | 2380 kg |
| Vehicle Length | 360 mm | 5280 mm |
| Vehicle Height | 360 mm | 1490 mm |
| Wheelbase Size | 360 mm | 3070 mm |
