1965 AC 427 vs. 1969 Triumph Herald
To start off, 1969 Triumph Herald is newer by 4 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 372 more horse power than 1969 Triumph Herald. (38 HP @ 4500 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 1969 Triumph Herald. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 617 kg more than 1969 Triumph Herald. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1965 AC 427 (652 Nm @ 3700 RPM) has 569 more torque (in Nm) than 1969 Triumph Herald. (83 Nm @ 2250 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 1969 Triumph Herald.
Compare all specifications:
| 1965 AC 427 | 1969 Triumph Herald | |
| Make | AC | Triumph |
| Model | 427 | Herald |
| Year Released | 1965 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1145 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 38 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 652 Nm | 83 Nm |
| Torque RPM | 3700 RPM | 2250 RPM |
| Engine Bore Size | 107.7 mm | 69.3 mm |
| Engine Stroke Size | 96 mm | 76 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1397 kg | 780 kg |
| Vehicle Length | 4430 mm | 3890 mm |
| Vehicle Width | 1710 mm | 1530 mm |
| Vehicle Height | 1300 mm | 1510 mm |
| Wheelbase Size | 2440 mm | 2320 mm |
| Fuel Tank Capacity | 81 L | 29 L |
