1991 Alfa Romeo SZ vs. 2001 Porsche 911
To start off, 2001 Porsche 911 is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 3,392 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (300 HP @ 6000 RPM) has 92 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2001 Porsche 911 weights approximately 60 kg more than 1991 Alfa Romeo SZ. 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, 2001 Porsche 911 (351 Nm) has 106 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2001 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | SZ | 911 |
| Year Released | 1991 | 2001 |
| Engine Position | Front | Rear |
| Engine Size | 2959 cc | 3392 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 208 HP | 300 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 245 Nm | 351 Nm |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 72.6 mm | 78 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1320 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1770 mm |
| Vehicle Height | 1320 mm | 1320 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
