1991 Ford Sierra vs. 1972 Mazda 818
To start off, 1991 Ford Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1972 Mazda 818. In addition, the cost of maintenance, including insurance, on 1972 Mazda 818 would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 1972 Mazda 818 (79 HP @ 5500 RPM) has 4 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 1972 Mazda 818 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 145 kg more than 1972 Mazda 818.
Let's talk about torque, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 28 more torque (in Nm) than 1972 Mazda 818. (124 Nm @ 3500 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Mazda 818.
Compare all specifications:
| 1991 Ford Sierra | 1972 Mazda 818 | |
| Make | Ford | Mazda |
| Model | Sierra | 818 |
| Year Released | 1991 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1586 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 79 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 152 Nm | 124 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1145 kg | 1000 kg |
| Vehicle Length | 4430 mm | 4100 mm |
| Vehicle Width | 1700 mm | 1600 mm |
| Vehicle Height | 1370 mm | 1410 mm |
| Wheelbase Size | 2620 mm | 2320 mm |
