1987 Alfa Romeo 75 vs. 1998 Porsche 911
To start off, 1998 Porsche 911 is newer by 11 year(s). Which means there will be less support and parts availability for 1987 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1987 Alfa Romeo 75 would be higher. At 3,600 cc (6 cylinders), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (443 HP @ 6000 RPM) has 261 more horse power than 1987 Alfa Romeo 75. (182 HP @ 5800 RPM) In normal driving conditions, 1998 Porsche 911 should accelerate faster than 1987 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1998 Porsche 911 weights approximately 244 kg more than 1987 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Alfa Romeo 75. In wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Porsche 911 (583 Nm @ 4500 RPM) has 343 more torque (in Nm) than 1987 Alfa Romeo 75. (240 Nm @ 4500 RPM). This means 1998 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 75.
Compare all specifications:
| 1987 Alfa Romeo 75 | 1998 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 75 | 911 |
| Year Released | 1987 | 1998 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2959 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 182 HP | 443 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 240 Nm | 583 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 72.6 mm | 76.4 mm |
| Engine Compression Ratio | 9.5:1 | 8.0:1 |
| Top Speed | 216 km/hour | 296 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1212 kg | 1456 kg |
| Vehicle Length | 4430 mm | 4270 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1270 mm |
| Wheelbase Size | 2520 mm | 2280 mm |
| Fuel Tank Capacity | 68 L | 92 L |
