1978 Mazda 929 vs. 1971 AC 428
To start off, 1978 Mazda 929 is newer by 7 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 215 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1971 AC 428 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 360 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1971 AC 428 (639 Nm @ 2800 RPM) has 505 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
1978 Mazda 929 | 1971 AC 428 | |
Make | Mazda | AC |
Model | 929 | 428 |
Year Released | 1978 | 1971 |
Engine Position | Front | Front |
Engine Size | 1769 cc | 7003 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | in-line |
Horse Power | 83 HP | 298 HP |
Engine RPM | 5000 RPM | 4600 RPM |
Torque | 134 Nm | 639 Nm |
Torque RPM | 3000 RPM | 2800 RPM |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1070 kg | 1430 kg |
Vehicle Length | 4410 mm | 4430 mm |
Vehicle Width | 1670 mm | 1710 mm |
Vehicle Height | 1420 mm | 1310 mm |
Wheelbase Size | 2520 mm | 2450 mm |