1985 Alfa Romeo 90 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 20 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 305 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 130 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, 2005 Porsche 911 (560 Nm @ 2700 RPM) has 314 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 RPM). This means 2005 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 | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 90 | 911 |
| Year Released | 1985 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 414 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 246 Nm | 560 Nm |
| Torque RPM | 2300 RPM | 2700 RPM |
| Engine Compression Ratio | 22.0:1 | 9.4:1 |
| Top Speed | 178 km/hour | 293 km/hour |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1380 kg |
| Wheelbase Size | 2460 mm | 2360 mm |
| Fuel Consumption Overall | 5.4 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 49 L | 64 L |
