1991 Alfa Romeo 75 vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo 75 would be higher. At 3,600 cc (6 cylinders), 2010 Porsche 911 is equipped with a bigger engine. In terms of performance, 2010 Porsche 911 (345 HP @ 6500 RPM) has 236 more horse power than 1991 Alfa Romeo 75. (109 HP @ 6000 RPM) In normal driving conditions, 2010 Porsche 911 should accelerate faster than 1991 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2010 Porsche 911 weights approximately 420 kg more than 1991 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, 2010 Porsche 911 (390 Nm @ 4400 RPM) has 241 more torque (in Nm) than 1991 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 75.
Compare all specifications:
| 1991 Alfa Romeo 75 | 2010 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 75 | 911 |
| Year Released | 1991 | 2010 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1567 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 109 HP | 345 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 149 Nm | 390 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1480 kg |
| Vehicle Length | 4340 mm | 4460 mm |
| Vehicle Width | 1670 mm | 1808 mm |
| Vehicle Height | 1410 mm | 1311 mm |
| Wheelbase Size | 2520 mm | 2350 mm |
| Fuel Tank Capacity | 49 L | 64 L |
