2005 BMW X5 vs. 1991 Rolls-Royce Silver Spirit
To start off, 2005 BMW X5 is newer by 14 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, 2005 BMW X5 (215 HP @ 4000 RPM) has 7 more horse power than 1991 Rolls-Royce Silver Spirit. (208 HP @ 3900 RPM). In normal driving conditions, 2005 BMW X5 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 210 kg more than 2005 BMW X5.
Because 2005 BMW X5 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, 2005 BMW X5 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 117 more torque (in Nm) than 1991 Rolls-Royce Silver Spirit. (403 Nm @ 2000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rolls-Royce Silver Spirit.
Compare all specifications:
| 2005 BMW X5 | 1991 Rolls-Royce Silver Spirit | |
| Make | BMW | Rolls-Royce |
| Model | X5 | Silver Spirit |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 6750 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 208 HP |
| Engine RPM | 4000 RPM | 3900 RPM |
| Torque | 520 Nm | 403 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2170 kg | 2380 kg |
| Vehicle Length | 4670 mm | 5280 mm |
| Vehicle Width | 1880 mm | 1890 mm |
| Vehicle Height | 1720 mm | 1490 mm |
| Wheelbase Size | 2830 mm | 3070 mm |
