1970 Riley 4 vs. 1966 Triumph Vitesse
To start off, 1970 Riley 4 is newer by 4 year(s). Which means there will be less support and parts availability for 1966 Triumph Vitesse. In addition, the cost of maintenance, including insurance, on 1966 Triumph Vitesse would be higher. At 1,998 cc (6 cylinders), 1966 Triumph Vitesse is equipped with a bigger engine. In terms of performance, 1966 Triumph Vitesse (94 HP @ 5000 RPM) has 27 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 1966 Triumph Vitesse should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1970 Riley 4 weights approximately 212 kg more than 1966 Triumph Vitesse.
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, 1966 Triumph Vitesse (158 Nm @ 3000 RPM) has 38 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1966 Triumph Vitesse will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 1966 Triumph Vitesse | |
| Make | Riley | Triumph |
| Model | 4 | Vitesse |
| Year Released | 1970 | 1966 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 94 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 120 Nm | 158 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 76.2 mm | 74.7 mm |
| Engine Stroke Size | 88.9 mm | 76 mm |
| Engine Compression Ratio | 8.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1148 kg | 936 kg |
| Vehicle Length | 4540 mm | 3890 mm |
| Vehicle Width | 1620 mm | 1530 mm |
| Vehicle Height | 1510 mm | 1340 mm |
| Wheelbase Size | 2530 mm | 2270 mm |
| Fuel Tank Capacity | 45 L | 29 L |
