2005 Audi A4 vs. 1981 Mazda 929
To start off, 2005 Audi A4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Mazda 929. In addition, the cost of maintenance, including insurance, on 1981 Mazda 929 would be higher. At 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (129 HP @ 4000 RPM) has 40 more horse power than 1981 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1981 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 390 kg more than 1981 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mazda 929. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2005 Audi A4 (310 Nm @ 1900 RPM) has 150 more torque (in Nm) than 1981 Mazda 929. (160 Nm @ 2500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda 929.
Compare all specifications:
| 2005 Audi A4 | 1981 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A4 | 929 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1969 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 89 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 310 Nm | 160 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Bore Size | 79.5 mm | 80 mm |
| Engine Stroke Size | 95.5 mm | 98 mm |
| Engine Compression Ratio | 19.0:1 | 8.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1150 kg |
| Vehicle Length | 4550 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
