1975 Alfa Romeo Spider vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 218 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 495 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 219 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider. 2009 Porsche 911 has automatic transmission and 1975 Alfa Romeo Spider has manual transmission. 1975 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Spider | 2009 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1975 | 2009 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3823 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 132 HP | 350 HP |
| Engine RPM | 5400 RPM | 6600 RPM |
| Torque | 181 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 88.5 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1535 kg |
| Vehicle Length | 4130 mm | 4430 mm |
| Vehicle Width | 1640 mm | 1310 mm |
| Vehicle Height | 1300 mm | 1860 mm |
| Wheelbase Size | 2260 mm | 2360 mm |
