2009 Audi A6 vs. 1977 Mazda 929
To start off, 2009 Audi A6 is newer by 32 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 2,967 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (230 HP @ 4000 RPM) has 147 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 746 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, 2009 Audi A6 (451 Nm @ 1400 RPM) has 317 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 2009 Audi A6 | 1977 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A6 | 929 |
| Year Released | 2009 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 230 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 451 Nm | 134 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 91.4 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1074 kg |
| Vehicle Length | 4920 mm | 4410 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2520 mm |
| Fuel Tank Capacity | 80 L | 55 L |
