1985 Alfa Romeo 90 vs. 1975 BMW 315
To start off, 1985 Alfa Romeo 90 is newer by 10 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 2,492 cc (6 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (154 HP @ 5600 RPM) has 79 more horse power than 1975 BMW 315. (75 HP @ 5800 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1975 BMW 315. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo 90 weights approximately 160 kg more than 1975 BMW 315. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1985 Alfa Romeo 90 (214 Nm @ 4000 RPM) has 104 more torque (in Nm) than 1975 BMW 315. (110 Nm @ 3200 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1975 BMW 315 | |
| Make | Alfa Romeo | BMW |
| Model | 90 | 315 |
| Year Released | 1985 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1574 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 154 HP | 75 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 214 Nm | 110 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 88 mm | 84 mm |
| Engine Stroke Size | 68.3 mm | 71 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1170 kg | 1010 kg |
| Vehicle Length | 4400 mm | 4360 mm |
| Vehicle Width | 1650 mm | 1620 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2510 mm |
