1991 Rolls-Royce Silver Spirit vs. 1974 Pontiac Firebird
To start off, 1991 Rolls-Royce Silver Spirit is newer by 17 year(s). Which means there will be less support and parts availability for 1974 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1974 Pontiac Firebird would be higher. At 6,750 cc (8 cylinders), 1991 Rolls-Royce Silver Spirit is equipped with a bigger engine. In terms of performance, 1991 Rolls-Royce Silver Spirit (208 HP @ 3900 RPM) has 50 more horse power than 1974 Pontiac Firebird. (158 HP @ 4400 RPM). In normal driving conditions, 1991 Rolls-Royce Silver Spirit should accelerate faster than 1974 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rolls-Royce Silver Spirit weights approximately 795 kg more than 1974 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 37 more torque (in Nm) than 1974 Pontiac Firebird. (366 Nm @ 2000 RPM). This means 1991 Rolls-Royce Silver Spirit will have an easier job in driving up hills or pulling heavy equipment than 1974 Pontiac Firebird.
Compare all specifications:
| 1991 Rolls-Royce Silver Spirit | 1974 Pontiac Firebird | |
| Make | Rolls-Royce | Pontiac |
| Model | Silver Spirit | Firebird |
| Year Released | 1991 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 6750 cc | 5792 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 208 HP | 158 HP |
| Engine RPM | 3900 RPM | 4400 RPM |
| Torque | 403 Nm | 366 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2380 kg | 1585 kg |
| Vehicle Length | 5280 mm | 4880 mm |
| Vehicle Width | 1890 mm | 1870 mm |
| Vehicle Height | 1490 mm | 1290 mm |
| Wheelbase Size | 3070 mm | 2750 mm |
