1968 Alfa Romeo Spider vs. 1948 Bristol 450
To start off, 1968 Alfa Romeo Spider is newer by 20 year(s). Which means there will be less support and parts availability for 1948 Bristol 450. In addition, the cost of maintenance, including insurance, on 1948 Bristol 450 would be higher. At 2,580 cc (6 cylinders), 1968 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1968 Alfa Romeo Spider (163 HP @ 5900 RPM) has 10 more horse power than 1948 Bristol 450. (153 HP @ 5500 RPM). In normal driving conditions, 1968 Alfa Romeo Spider should accelerate faster than 1948 Bristol 450. With that said, vehicle weight also plays an important factor in acceleration. 1968 Alfa Romeo Spider weights approximately 600 kg more than 1948 Bristol 450. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1968 Alfa Romeo Spider | 1948 Bristol 450 | |
| Make | Alfa Romeo | Bristol |
| Model | Spider | 450 |
| Year Released | 1968 | 1948 |
| Engine Position | Front | Front |
| Engine Size | 2580 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 153 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Engine Bore Size | 83 mm | 66 mm |
| Engine Stroke Size | 79.6 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 1330 kg | 730 kg |
| Vehicle Length | 4510 mm | 4480 mm |
| Vehicle Width | 1610 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1530 mm |
| Wheelbase Size | 2510 mm | 2480 mm |
| Fuel Tank Capacity | 47 L | 54 L |
