1985 Alfa Romeo 75 vs. 1978 Porsche 911
To start off, 1985 Alfa Romeo 75 is newer by 7 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 2,992 cc (6 cylinders), 1978 Porsche 911 is equipped with a bigger engine. In terms of performance, 1978 Porsche 911 (355 HP @ 4200 RPM) has 201 more horse power than 1985 Alfa Romeo 75. (154 HP @ 5600 RPM) In normal driving conditions, 1978 Porsche 911 should accelerate faster than 1985 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 911 weights approximately 19 kg more than 1985 Alfa Romeo 75. 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 911 (750 Nm @ 2000 RPM) has 536 more torque (in Nm) than 1985 Alfa Romeo 75. (214 Nm @ 4000 RPM). This means 1978 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 75.
Compare all specifications:
| 1985 Alfa Romeo 75 | 1978 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 75 | 911 |
| Year Released | 1985 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 154 HP | 355 HP |
| Engine RPM | 5600 RPM | 4200 RPM |
| Torque | 214 Nm | 750 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1179 kg |
| Vehicle Length | 4340 mm | 4300 mm |
| Vehicle Width | 1670 mm | 1660 mm |
| Vehicle Height | 1410 mm | 1330 mm |
| Wheelbase Size | 2520 mm | 2270 mm |
| Fuel Tank Capacity | 49 L | 80 L |
