1965 AC 427 vs. 1973 Seat 124
To start off, 1973 Seat 124 is newer by 8 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 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 346 more horse power than 1973 Seat 124. (64 HP @ 5600 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1973 Seat 124. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 467 kg more than 1973 Seat 124. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1965 AC 427 (652 Nm @ 3700 RPM) has 562 more torque (in Nm) than 1973 Seat 124. (90 Nm @ 3700 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1973 Seat 124.
Compare all specifications:
| 1965 AC 427 | 1973 Seat 124 | |
| Make | AC | Seat |
| Model | 427 | 124 |
| Year Released | 1965 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 64 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 652 Nm | 90 Nm |
| Torque RPM | 3700 RPM | 3700 RPM |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1397 kg | 930 kg |
| Vehicle Length | 4430 mm | 4070 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2430 mm |
