1957 AC Ace vs. 1955 Bristol 405
To start off, 1957 AC Ace is newer by 2 year(s). Which means there will be less support and parts availability for 1955 Bristol 405. In addition, the cost of maintenance, including insurance, on 1955 Bristol 405 would be higher. At 1,990 cc (6 cylinders), 1957 AC Ace is equipped with a bigger engine. In terms of performance, 1955 Bristol 405 (100 HP @ 5000 RPM) has 26 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1955 Bristol 405 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1955 Bristol 405 weights approximately 350 kg more than 1957 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 AC Ace | 1955 Bristol 405 | |
| Make | AC | Bristol |
| Model | Ace | 405 |
| Year Released | 1957 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 100 HP |
| Engine RPM | 4500 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 890 kg | 1240 kg |
| Vehicle Length | 3850 mm | 4820 mm |
| Vehicle Width | 1520 mm | 1730 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2900 mm |
| Fuel Tank Capacity | 59 L | 72 L |
