1999 Alfa Romeo 145 vs. 1981 Porsche 911
To start off, 1999 Alfa Romeo 145 is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1981 Porsche 911 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 90 more horse power than 1999 Alfa Romeo 145. (142 HP @ 6500 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1999 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 911 weights approximately 65 kg more than 1999 Alfa Romeo 145. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1999 Alfa Romeo 145, being front wheel drive (FWD), will offer much better control with better grip. 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, 1981 Porsche 911 (284 Nm @ 4800 RPM) has 115 more torque (in Nm) than 1999 Alfa Romeo 145. (169 Nm @ 3500 RPM). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 1981 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 145 | 911 |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Rear |
| Engine Size | 1747 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 142 HP | 232 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 169 Nm | 284 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 82.1 mm | 95 mm |
| Engine Stroke Size | 82.8 mm | 74.4 mm |
| Engine Compression Ratio | 10.7:1 | 10.3:1 |
| Acceleration 0-100mph | 9.1 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1195 kg | 1260 kg |
| Vehicle Length | 4070 mm | 4300 mm |
| Vehicle Width | 1720 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2600 mm | 2270 mm |
| Fuel Tank Capacity | 61 L | 80 L |
