1958 AC Ace vs. 1953 Bristol 403
To start off, 1958 AC Ace is newer by 5 year(s). Which means there will be less support and parts availability for 1953 Bristol 403. In addition, the cost of maintenance, including insurance, on 1953 Bristol 403 would be higher. At 1,971 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 39 more horse power than 1953 Bristol 403. (86 HP @ 5000 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 1953 Bristol 403. With that said, vehicle weight also plays an important factor in acceleration. 1953 Bristol 403 weights approximately 331 kg more than 1958 AC Ace.
Let's talk about torque, 1958 AC Ace (167 Nm @ 4500 RPM) has 21 more torque (in Nm) than 1953 Bristol 403. (146 Nm @ 3500 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1953 Bristol 403.
Compare all specifications:
| 1958 AC Ace | 1953 Bristol 403 | |
| Make | AC | Bristol |
| Model | Ace | 403 |
| Year Released | 1958 | 1953 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1969 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 86 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 167 Nm | 146 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 66 mm | 66 mm |
| Engine Stroke Size | 96 mm | 96 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1225 kg |
| Vehicle Length | 4010 mm | 4870 mm |
| Vehicle Width | 1520 mm | 1710 mm |
| Vehicle Height | 1270 mm | 1530 mm |
| Wheelbase Size | 2290 mm | 2900 mm |
| Fuel Tank Capacity | 59 L | 77 L |
