1985 Alfa Romeo 90 vs. 2003 Porsche 911
To start off, 2003 Porsche 911 is newer by 18 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 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 334 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 410 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.
Because 2003 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Alfa Romeo 90. In wet, icy, snow, or gravel driving conditions, 2003 Porsche 911 will offer significantly more control. 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 375 more torque (in Nm) than 1985 Alfa Romeo 90. (246 Nm @ 2300 RPM). This means 2003 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 | 2003 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 90 | 911 |
| Year Released | 1985 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 109 HP | 443 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 246 Nm | 621 Nm |
| Torque RPM | 2300 RPM | 2700 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Top Speed | 178 km/hour | 307 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1660 kg |
| Vehicle Length | 4400 mm | 4440 mm |
| Vehicle Width | 1650 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2460 mm | 2360 mm |
| Fuel Consumption Overall | 5.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 49 L | 64 L |
