2005 GMC Sierra vs. 1991 Rolls-Royce Silver Spirit
To start off, 2005 GMC Sierra 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 GMC Sierra (321 HP @ 5000 RPM) has 113 more horse power than 1991 Rolls-Royce Silver Spirit. (208 HP @ 3900 RPM). In normal driving conditions, 2005 GMC Sierra 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 110 kg more than 2005 GMC Sierra.
Because 2005 GMC Sierra 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 GMC Sierra 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, 1991 Rolls-Royce Silver Spirit (403 Nm @ 2000 RPM) has 33 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 1991 Rolls-Royce Silver Spirit will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 1991 Rolls-Royce Silver Spirit | |
| Make | GMC | Rolls-Royce |
| Model | Sierra | Silver Spirit |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 6750 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 208 HP |
| Engine RPM | 5000 RPM | 3900 RPM |
| Torque | 370 Nm | 403 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Weight | 2270 kg | 2380 kg |
| Vehicle Length | 5790 mm | 5280 mm |
| Vehicle Width | 2000 mm | 1890 mm |
| Vehicle Height | 1850 mm | 1490 mm |
| Wheelbase Size | 3650 mm | 3070 mm |
