1985 Alfa Romeo 90 vs. 1986 Porsche 911
To start off, 1986 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 3,164 cc (6 cylinders), 1986 Porsche 911 is equipped with a bigger engine. In terms of performance, 1986 Porsche 911 (228 HP @ 5900 RPM) has 119 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1986 Porsche 911 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo 90 weights approximately 20 kg more than 1986 Porsche 911.
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, 1986 Porsche 911 (286 Nm @ 4800 RPM) has 51 more torque (in Nm) than 1985 Alfa Romeo 90. (235 Nm @ 2300 RPM). This means 1986 Porsche 911 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 | 1986 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 90 | 911 |
| Year Released | 1985 | 1986 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2391 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 109 HP | 228 HP |
| Engine RPM | 4200 RPM | 5900 RPM |
| Torque | 235 Nm | 286 Nm |
| Torque RPM | 2300 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 95 mm |
| Engine Stroke Size | 90 mm | 74.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1230 kg |
| Vehicle Length | 4400 mm | 4300 mm |
| Vehicle Width | 1650 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2520 mm | 2280 mm |
| Fuel Tank Capacity | 49 L | 80 L |
