1957 AC Ace vs. 1955 Alvis TC 21
To start off, 1957 AC Ace is newer by 2 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1955 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 1955 Alvis TC 21 (105 HP @ 4000 RPM) has 31 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 560 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 Alvis TC 21 | |
| Make | AC | Alvis |
| Model | Ace | TC 21 |
| Year Released | 1957 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 105 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 1450 kg |
| Vehicle Length | 3850 mm | 4810 mm |
| Vehicle Width | 1520 mm | 1680 mm |
| Vehicle Height | 1250 mm | 1590 mm |
| Wheelbase Size | 2290 mm | 2840 mm |
