1985 Alfa Romeo 75 vs. 1991 Pontiac Firebird
To start off, 1991 Pontiac Firebird is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 75 would be higher. At 3,128 cc (6 cylinders), 1991 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1991 Pontiac Firebird (140 HP @ 4400 RPM) has 32 more horse power than 1985 Alfa Romeo 75. (108 HP @ 6000 RPM) In normal driving conditions, 1991 Pontiac Firebird should accelerate faster than 1985 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1991 Pontiac Firebird weights approximately 350 kg more than 1985 Alfa Romeo 75. 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, 1991 Pontiac Firebird (244 Nm @ 3600 RPM) has 95 more torque (in Nm) than 1985 Alfa Romeo 75. (149 Nm @ 4000 RPM). This means 1991 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 75.
Compare all specifications:
| 1985 Alfa Romeo 75 | 1991 Pontiac Firebird | |
| Make | Alfa Romeo | Pontiac |
| Model | 75 | Firebird |
| Year Released | 1985 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1567 cc | 3128 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 108 HP | 140 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 149 Nm | 244 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 78 mm | 88.9 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1410 kg |
| Vehicle Length | 4340 mm | 4790 mm |
| Vehicle Width | 1670 mm | 1850 mm |
| Vehicle Height | 1410 mm | 1280 mm |
| Wheelbase Size | 2520 mm | 2570 mm |
| Fuel Tank Capacity | 49 L | 59 L |
