2009 Audi A4 vs. 1975 Mazda 616
To start off, 2009 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Mazda 616. In addition, the cost of maintenance, including insurance, on 1975 Mazda 616 would be higher. At 2,496 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (178 HP @ 4000 RPM) has 99 more horse power than 1975 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1975 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 680 kg more than 1975 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Audi A4 (370 Nm @ 1500 RPM) has 246 more torque (in Nm) than 1975 Mazda 616. (124 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 616.
Compare all specifications:
| 2009 Audi A4 | 1975 Mazda 616 | |
| Make | Audi | Mazda |
| Model | A4 | 616 |
| Year Released | 2009 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 178 HP | 79 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 370 Nm | 124 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 78 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 910 kg |
| Vehicle Length | 4550 mm | 4160 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2480 mm |
