1989 Alfa Romeo SZ vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 16 year(s). Which means there will be less support and parts availability for 1989 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1989 Alfa Romeo SZ 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 (316 HP @ 4250 RPM) has 108 more horse power than 1989 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1989 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 85 kg more than 1989 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 125 more torque (in Nm) than 1989 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1989 Alfa Romeo SZ.
Compare all specifications:
| 1989 Alfa Romeo SZ | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | SZ | 911 |
| Year Released | 1989 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2957 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 316 HP |
| Engine RPM | 6200 RPM | 4250 RPM |
| Torque | 245 Nm | 370 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 72.6 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Top Speed | 245 km/hour | 285 km/hour |
| Acceleration 0-100mph | 7 seconds | 5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1345 kg |
| Vehicle Length | 4070 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1320 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
| Fuel Consumption Overall | 7.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 50 L | 64 L |
