1985 Alfa Romeo 90 vs. 1978 Alfa Romeo Giulietta
To start off, 1985 Alfa Romeo 90 is newer by 7 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Giulietta would be higher. At 2,492 cc (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (109 HP @ 4200 RPM) has 16 more horse power than 1978 Alfa Romeo Giulietta. (93 HP @ 6000 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo 90 weights approximately 180 kg more than 1978 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, 1985 Alfa Romeo 90 (246 Nm @ 2300 RPM) has 125 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (121 Nm @ 4500 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1978 Alfa Romeo Giulietta | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 90 | Giulietta |
| Year Released | 1985 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1357 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 109 HP | 93 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 246 Nm | 121 Nm |
| Torque RPM | 2300 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 90 mm | 67.5 mm |
| Engine Compression Ratio | 22.0:1 | 9.0:1 |
| Top Speed | 178 km/hour | 165 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1070 kg |
| Vehicle Length | 4400 mm | 4220 mm |
| Vehicle Width | 1650 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2460 mm | 2520 mm |
| Fuel Tank Capacity | 49 L | 50 L |
