1986 Alfa Romeo 75 vs. 1977 Opel Commodore
To start off, 1986 Alfa Romeo 75 is newer by 9 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 2,784 cc (6 cylinders), 1977 Opel Commodore is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5500 RPM) has 12 more horse power than 1977 Opel Commodore. (141 HP @ 5200 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1977 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1977 Opel Commodore weights approximately 125 kg more than 1986 Alfa Romeo 75.
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, 1977 Opel Commodore (217 Nm @ 3600 RPM) has 11 more torque (in Nm) than 1986 Alfa Romeo 75. (206 Nm @ 3200 RPM). This means 1977 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1977 Opel Commodore | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Commodore |
| Year Released | 1986 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 141 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 206 Nm | 217 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 88 mm | 92 mm |
| Engine Stroke Size | 68.3 mm | 69.8 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1160 kg | 1285 kg |
| Vehicle Length | 4340 mm | 4620 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2460 mm | 2670 mm |
| Fuel Tank Capacity | 68 L | 70 L |
