1992 Buick Roadmaster vs. 1977 Opel Commodore
To start off, 1992 Buick Roadmaster is newer by 15 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 5,733 cc (8 cylinders), 1992 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1992 Buick Roadmaster (177 HP @ 4200 RPM) has 36 more horse power than 1977 Opel Commodore. (141 HP @ 5200 RPM). In normal driving conditions, 1992 Buick Roadmaster should accelerate faster than 1977 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1992 Buick Roadmaster weights approximately 555 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, 1992 Buick Roadmaster (394 Nm @ 2400 RPM) has 177 more torque (in Nm) than 1977 Opel Commodore. (217 Nm @ 3600 RPM). This means 1992 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Commodore.
Compare all specifications:
1992 Buick Roadmaster | 1977 Opel Commodore | |
Make | Buick | Opel |
Model | Roadmaster | Commodore |
Year Released | 1992 | 1977 |
Engine Position | Front | Front |
Engine Size | 5733 cc | 2784 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 177 HP | 141 HP |
Engine RPM | 4200 RPM | 5200 RPM |
Torque | 394 Nm | 217 Nm |
Torque RPM | 2400 RPM | 3600 RPM |
Engine Bore Size | 101.6 mm | 92 mm |
Engine Stroke Size | 88.4 mm | 69.8 mm |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 3 doors |
Vehicle Weight | 1840 kg | 1285 kg |
Vehicle Length | 5490 mm | 4620 mm |
Vehicle Width | 1990 mm | 1730 mm |
Vehicle Height | 1430 mm | 1430 mm |
Wheelbase Size | 2950 mm | 2670 mm |
Fuel Tank Capacity | 87 L | 70 L |