1975 Alfa Romeo Spider vs. 1985 Pontiac Firebird
To start off, 1985 Pontiac Firebird is newer by 10 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 5,013 cc (8 cylinders), 1985 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1985 Pontiac Firebird (190 HP @ 4800 RPM) has 58 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 1985 Pontiac Firebird should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1985 Pontiac Firebird weights approximately 434 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.
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, 1985 Pontiac Firebird (325 Nm @ 3200 RPM) has 144 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 1985 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 1975 Alfa Romeo Spider | 1985 Pontiac Firebird | |
| Make | Alfa Romeo | Pontiac |
| Model | Spider | Firebird |
| Year Released | 1975 | 1985 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5013 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 132 HP | 190 HP |
| Engine RPM | 5400 RPM | 4800 RPM |
| Torque | 181 Nm | 325 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 88.5 mm | 88.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1474 kg |
| Vehicle Length | 4130 mm | 4880 mm |
| Vehicle Width | 1640 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1270 mm |
| Wheelbase Size | 2260 mm | 2570 mm |
