2004 Audi A4 vs. 1977 Mazda 929
To start off, 2004 Audi A4 is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Mazda 929. In addition, the cost of maintenance, including insurance, on 1977 Mazda 929 would be higher. At 1,968 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (137 HP @ 4000 RPM) has 54 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 408 kg more than 1977 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, 2004 Audi A4 (310 Nm @ 1740 RPM) has 176 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 2004 Audi A4 | 1977 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A4 | 929 |
| Year Released | 2004 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 137 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 310 Nm | 134 Nm |
| Torque RPM | 1740 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 95.5 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1074 kg |
| Vehicle Length | 4590 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2520 mm |
| Fuel Tank Capacity | 70 L | 55 L |
