1977 Opel Commodore vs. 1999 Rolls-Royce Corniche
To start off, 1999 Rolls-Royce Corniche is newer by 22 year(s). Which means there will be less support and parts availability for 1977 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1977 Opel Commodore would be higher. At 6,750 cc (8 cylinders), 1999 Rolls-Royce Corniche is equipped with a bigger engine. In terms of performance, 1999 Rolls-Royce Corniche (325 HP @ 4000 RPM) has 184 more horse power than 1977 Opel Commodore. (141 HP @ 5200 RPM) In normal driving conditions, 1999 Rolls-Royce Corniche should accelerate faster than 1977 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1999 Rolls-Royce Corniche weights approximately 1450 kg more than 1977 Opel Commodore. 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, 1999 Rolls-Royce Corniche (738 Nm @ 2100 RPM) has 521 more torque (in Nm) than 1977 Opel Commodore. (217 Nm @ 3600 RPM). This means 1999 Rolls-Royce Corniche will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Commodore.
Compare all specifications:
| 1977 Opel Commodore | 1999 Rolls-Royce Corniche | |
| Make | Opel | Rolls-Royce |
| Model | Commodore | Corniche |
| Year Released | 1977 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2784 cc | 6750 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 141 HP | 325 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 217 Nm | 738 Nm |
| Torque RPM | 3600 RPM | 2100 RPM |
| Engine Bore Size | 92 mm | 104.1 mm |
| Engine Stroke Size | 69.8 mm | 99.1 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1285 kg | 2735 kg |
| Vehicle Length | 4620 mm | 5410 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2670 mm | 3070 mm |
| Fuel Tank Capacity | 70 L | 100 L |
