1970 Riley 4 vs. 2013 Mazda 6
To start off, 2013 Mazda 6 is newer by 43 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 3,726 cc (6 cylinders), 2013 Mazda 6 is equipped with a bigger engine. In terms of performance, 2013 Mazda 6 (268 HP @ 6250 RPM) has 201 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 2013 Mazda 6 should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mazda 6 weights approximately 351 kg more than 1970 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2013 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Mazda 6 (226 Nm @ 4250 RPM) has 106 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 2013 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 2013 Mazda 6 | |
| Make | Riley | Mazda |
| Model | 4 | 6 |
| Year Released | 1970 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 3726 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 67 HP | 268 HP |
| Engine RPM | 5000 RPM | 6250 RPM |
| Torque | 120 Nm | 226 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Engine Bore Size | 76.2 mm | 89 mm |
| Engine Stroke Size | 88.9 mm | 100 mm |
| Engine Compression Ratio | 8.3:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1148 kg | 1499 kg |
| Vehicle Length | 4540 mm | 4940 mm |
| Vehicle Width | 1620 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2790 mm |
| Fuel Tank Capacity | 45 L | 70 L |
