2007 Audi A4 vs. 1979 Mazda 929
To start off, 2007 Audi A4 is newer by 28 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (217 HP @ 5900 RPM) has 134 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 525 kg more than 1979 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, 2007 Audi A4 (300 Nm @ 2200 RPM) has 166 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 2007 Audi A4 | 1979 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A4 | 929 |
| Year Released | 2007 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1767 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 217 HP | 83 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 300 Nm | 134 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1070 kg |
| Vehicle Length | 4550 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
| Fuel Tank Capacity | 63 L | 55 L |
