1985 Alfa Romeo 90 vs. 1978 Porsche 930
To start off, 1985 Alfa Romeo 90 is newer by 7 year(s). Which means there will be less support and parts availability for 1978 Porsche 930. In addition, the cost of maintenance, including insurance, on 1978 Porsche 930 would be higher. At 3,298 cc (6 cylinders), 1978 Porsche 930 is equipped with a bigger engine. In terms of performance, 1978 Porsche 930 (296 HP @ 5500 RPM) has 187 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1978 Porsche 930 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 930 weights approximately 50 kg more than 1985 Alfa Romeo 90. 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, 1978 Porsche 930 (440 Nm @ 4000 RPM) has 194 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 RPM). This means 1978 Porsche 930 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 | 1978 Porsche 930 | |
| Make | Alfa Romeo | Porsche |
| Model | 90 | 930 |
| Year Released | 1985 | 1978 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 3298 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 296 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 246 Nm | 440 Nm |
| Torque RPM | 2300 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 97 mm |
| Engine Stroke Size | 90 mm | 74.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1300 kg |
| Vehicle Length | 4400 mm | 4300 mm |
| Vehicle Width | 1650 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2460 mm | 2510 mm |
