1985 Alfa Romeo 90 vs. 1970 Opel Commodore
To start off, 1985 Alfa Romeo 90 is newer by 15 year(s). Which means there will be less support and parts availability for 1970 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1970 Opel Commodore would be higher. At 2,784 cc (6 cylinders), 1970 Opel Commodore is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (154 HP @ 5600 RPM) has 6 more horse power than 1970 Opel Commodore. (148 HP @ 5100 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1970 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1970 Opel Commodore weights approximately 50 kg more than 1985 Alfa Romeo 90.
Let's talk about torque, 1970 Opel Commodore (223 Nm @ 5200 RPM) has 9 more torque (in Nm) than 1985 Alfa Romeo 90. (214 Nm @ 4000 RPM). This means 1970 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 90.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1970 Opel Commodore | |
| Make | Alfa Romeo | Opel |
| Model | 90 | Commodore |
| Year Released | 1985 | 1970 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 154 HP | 148 HP |
| Engine RPM | 5600 RPM | 5100 RPM |
| Torque | 214 Nm | 223 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Bore Size | 88 mm | 92 mm |
| Engine Stroke Size | 68.3 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1170 kg | 1220 kg |
| Vehicle Length | 4400 mm | 4580 mm |
| Vehicle Width | 1650 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2670 mm |
