1958 Alfa Romeo Giulietta vs. 1978 Fiat 131
To start off, 1978 Fiat 131 is newer by 20 year(s). Which means there will be less support and parts availability for 1958 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1958 Alfa Romeo Giulietta would be higher. At 2,444 cc (4 cylinders), 1978 Fiat 131 is equipped with a bigger engine. In terms of performance, 1978 Fiat 131 (75 HP @ 4200 RPM) has 4 more horse power than 1958 Alfa Romeo Giulietta. (71 HP @ 6000 RPM) In normal driving conditions, 1978 Fiat 131 should accelerate faster than 1958 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1978 Fiat 131 weights approximately 350 kg more than 1958 Alfa Romeo Giulietta. 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, 1978 Fiat 131 (144 Nm @ 2400 RPM) has 32 more torque (in Nm) than 1958 Alfa Romeo Giulietta. (112 Nm @ 4250 RPM). This means 1978 Fiat 131 will have an easier job in driving up hills or pulling heavy equipment than 1958 Alfa Romeo Giulietta.
Compare all specifications:
| 1958 Alfa Romeo Giulietta | 1978 Fiat 131 | |
| Make | Alfa Romeo | Fiat |
| Model | Giulietta | 131 |
| Year Released | 1958 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 2444 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 71 HP | 75 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 112 Nm | 144 Nm |
| Torque RPM | 4250 RPM | 2400 RPM |
| Engine Bore Size | 74 mm | 93 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 840 kg | 1190 kg |
| Vehicle Length | 3410 mm | 4270 mm |
| Vehicle Width | 1550 mm | 1660 mm |
| Vehicle Height | 1190 mm | 1370 mm |
| Wheelbase Size | 2260 mm | 2500 mm |
