1965 AC 427 vs. 1955 Alfa Romeo 1900
To start off, 1965 AC 427 is newer by 10 year(s). Which means there will be less support and parts availability for 1955 Alfa Romeo 1900. In addition, the cost of maintenance, including insurance, on 1955 Alfa Romeo 1900 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 @ 4000 RPM) has 296 more horse power than 1955 Alfa Romeo 1900. (114 HP @ 5500 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1955 Alfa Romeo 1900. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 447 kg more than 1955 Alfa Romeo 1900. 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. 1965 AC 427 has automatic transmission and 1955 Alfa Romeo 1900 has manual transmission. 1955 Alfa Romeo 1900 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1965 AC 427 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1965 AC 427 | 1955 Alfa Romeo 1900 | |
| Make | AC | Alfa Romeo |
| Model | 427 | 1900 |
| Year Released | 1965 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1974 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 114 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 107.7 mm | 84.5 mm |
| Engine Stroke Size | 96 mm | 88 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1397 kg | 950 kg |
| Vehicle Length | 4430 mm | 4410 mm |
| Vehicle Width | 1710 mm | 1640 mm |
| Vehicle Height | 1300 mm | 1360 mm |
| Wheelbase Size | 2440 mm | 2510 mm |
| Fuel Tank Capacity | 81 L | 71 L |
