1966 Mercury Comet vs. 1967 Riley 4
To start off, 1967 Riley 4 is newer by 1 year(s). Which means there will be less support and parts availability for 1966 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1966 Mercury Comet would be higher. At 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (267 HP @ 4400 RPM) has 200 more horse power than 1967 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1967 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 212 kg more than 1967 Riley 4. 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, 1966 Mercury Comet (546 Nm @ 2600 RPM) has 426 more torque (in Nm) than 1967 Riley 4. (120 Nm @ 2500 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1967 Riley 4.
Compare all specifications:
| 1966 Mercury Comet | 1967 Riley 4 | |
| Make | Mercury | Riley |
| Model | Comet | 4 |
| Year Released | 1966 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 6393 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 267 HP | 67 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 546 Nm | 120 Nm |
| Torque RPM | 2600 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1360 kg | 1148 kg |
| Vehicle Length | 5180 mm | 4540 mm |
| Vehicle Width | 1880 mm | 1620 mm |
| Vehicle Height | 1390 mm | 1530 mm |
| Wheelbase Size | 2950 mm | 2530 mm |
