2005 Mazda 6 vs. 1971 Riley 4
To start off, 2005 Mazda 6 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 2,261 cc (4 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (165 HP @ 6500 RPM) has 98 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2005 Mazda 6 should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 282 kg more than 1971 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 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 1971 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mazda 6 (205 Nm @ 4000 RPM) has 84 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2005 Mazda 6 | 1971 Riley 4 | |
| Make | Mazda | Riley |
| Model | 6 | 4 |
| Year Released | 2005 | 1971 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 165 HP | 67 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 205 Nm | 121 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87.5 mm | 76.3 mm |
| Engine Stroke Size | 94 mm | 88.9 mm |
| Engine Compression Ratio | 11.0:1 | 8.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1148 kg |
| Vehicle Length | 4690 mm | 4540 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1510 mm |
| Wheelbase Size | 2680 mm | 2530 mm |
| Fuel Tank Capacity | 64 L | 45 L |
