1965 AC 427 vs. 1963 Alfa Romeo Giulia
To start off, 1965 AC 427 is newer by 2 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 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP) has 295 more horse power than 1963 Alfa Romeo Giulia. (115 HP). In normal driving conditions, 1965 AC 427 should accelerate faster than 1963 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 347 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 507 more torque (in Nm) than 1963 Alfa Romeo Giulia. (145 Nm @ 4400 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Giulia.
Compare all specifications:
| 1965 AC 427 | 1963 Alfa Romeo Giulia | |
| Make | AC | Alfa Romeo |
| Model | 427 | Giulia |
| Year Released | 1965 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1570 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 115 HP |
| Torque | 652 Nm | 145 Nm |
| Torque RPM | 3700 RPM | 4400 RPM |
| Engine Bore Size | 107.7 mm | 78.1 mm |
| Engine Stroke Size | 96 mm | 82 mm |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1397 kg | 1050 kg |
| Vehicle Length | 4430 mm | 4150 mm |
| Vehicle Width | 1710 mm | 1570 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2440 mm | 2520 mm |
| Fuel Tank Capacity | 81 L | 46 L |
