2004 Audi A8 vs. 1978 Mazda 929
To start off, 2004 Audi A8 is newer by 26 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 4,172 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (330 HP @ 6500 RPM) has 247 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 656 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.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 929. In wet, icy, snow, or gravel driving conditions, 2004 Audi A8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi A8 (450 Nm @ 3500 RPM) has 312 more torque (in Nm) than 1978 Mazda 929. (138 Nm @ 3000 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2004 Audi A8 | 1978 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A8 | 929 |
| Year Released | 2004 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 330 HP | 83 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 450 Nm | 138 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 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1776 kg | 1120 kg |
| Vehicle Length | 5060 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2370 mm |
| Fuel Tank Capacity | 90 L | 65 L |
