1967 AC 428 vs. 1965 Triumph Vitesse
To start off, 1967 AC 428 is newer by 2 year(s). Which means there will be less support and parts availability for 1965 Triumph Vitesse. In addition, the cost of maintenance, including insurance, on 1965 Triumph Vitesse would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 275 more horse power than 1965 Triumph Vitesse. (70 HP @ 5000 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1965 Triumph Vitesse. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 603 kg more than 1965 Triumph Vitesse. 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, 1967 AC 428 (626 Nm @ 2800 RPM) has 500 more torque (in Nm) than 1965 Triumph Vitesse. (126 Nm @ 2800 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1965 Triumph Vitesse.
Compare all specifications:
| 1967 AC 428 | 1965 Triumph Vitesse | |
| Make | AC | Triumph |
| Model | 428 | Vitesse |
| Year Released | 1967 | 1965 |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 70 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 626 Nm | 126 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Engine Bore Size | 105 mm | 66.8 mm |
| Engine Stroke Size | 101.2 mm | 76 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 880 kg |
| Vehicle Length | 4520 mm | 3890 mm |
| Vehicle Width | 1710 mm | 1530 mm |
| Vehicle Height | 1260 mm | 1340 mm |
| Wheelbase Size | 2440 mm | 2270 mm |
| Fuel Tank Capacity | 85 L | 53 L |
