2008 Audi A5 vs. 1978 Mazda 929
To start off, 2008 Audi A5 is newer by 30 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 4,163 cc (8 cylinders), 2008 Audi A5 is equipped with a bigger engine. In terms of performance, 2008 Audi A5 (349 HP @ 7000 RPM) has 266 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2008 Audi A5 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A5 weights approximately 560 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, 2008 Audi A5 (440 Nm @ 3500 RPM) has 306 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2008 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2008 Audi A5 | 1978 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A5 | 929 |
| Year Released | 2008 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 349 HP | 83 HP |
| Engine RPM | 7000 RPM | 5000 RPM |
| Torque | 440 Nm | 134 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1070 kg |
| Vehicle Length | 4640 mm | 4410 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2760 mm | 2520 mm |
| Fuel Tank Capacity | 64 L | 55 L |
