1963 Alfa Romeo Giulia vs. 1991 Porsche 928
To start off, 1991 Porsche 928 is newer by 28 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Giulia would be higher. At 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP) has 191 more horse power than 1963 Alfa Romeo Giulia. (115 HP) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1963 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 480 kg more than 1963 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 263 more torque (in Nm) than 1963 Alfa Romeo Giulia. (145 Nm @ 4400 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Giulia.
Compare all specifications:
| 1963 Alfa Romeo Giulia | 1991 Porsche 928 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulia | 928 |
| Year Released | 1963 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 306 HP |
| Torque | 145 Nm | 408 Nm |
| Torque RPM | 4400 RPM | 4100 RPM |
| Engine Bore Size | 78.1 mm | 97 mm |
| Engine Stroke Size | 82 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1530 kg |
| Vehicle Length | 4150 mm | 4530 mm |
| Vehicle Width | 1570 mm | 2060 mm |
| Vehicle Height | 1440 mm | 1290 mm |
| Wheelbase Size | 2520 mm | 2510 mm |
| Fuel Tank Capacity | 46 L | 76 L |
