1973 AC 428 vs. 1970 Mazda Cosmo
To start off, 1973 AC 428 is newer by 3 year(s). Which means there will be less support and parts availability for 1970 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1970 Mazda Cosmo would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 205 more horse power than 1970 Mazda Cosmo. (93 HP @ 7000 RPM). In normal driving conditions, 1973 AC 428 should accelerate faster than 1970 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1973 AC 428 weights approximately 490 kg more than 1970 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 AC 428 (639 Nm @ 2800 RPM) has 505 more torque (in Nm) than 1970 Mazda Cosmo. (134 Nm @ 3500 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1970 Mazda Cosmo.
Compare all specifications:
1973 AC 428 | 1970 Mazda Cosmo | |
Make | AC | Mazda |
Model | 428 | Cosmo |
Year Released | 1973 | 1970 |
Engine Position | Front | Front |
Engine Size | 7002 cc | 1964 cc |
Horse Power | 298 HP | 93 HP |
Engine RPM | 4600 RPM | 7000 RPM |
Torque | 639 Nm | 134 Nm |
Torque RPM | 2800 RPM | 3500 RPM |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 2 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1430 kg | 940 kg |
Vehicle Length | 4430 mm | 4150 mm |
Vehicle Width | 1710 mm | 1600 mm |
Vehicle Height | 1310 mm | 1170 mm |
Wheelbase Size | 2450 mm | 2210 mm |