2007 Audi A4 vs. 1978 Mazda 929
To start off, 2007 Audi A4 is newer by 29 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 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 107 more horse power than 1978 Mazda 929. (90 HP @ 4800 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 480 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 1978 Mazda 929 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Audi A4 (280 Nm @ 1800 RPM) has 120 more torque (in Nm) than 1978 Mazda 929. (160 Nm @ 2500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2007 Audi A4 | 1978 Mazda 929 | |
| Make | Audi | Mazda |
| Model | A4 | 929 |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 90 HP |
| Engine RPM | 5100 RPM | 4800 RPM |
| Torque | 280 Nm | 160 Nm |
| Torque RPM | 1800 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 80.1 mm |
| Engine Stroke Size | 92.8 mm | 98 mm |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1150 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1400 mm | 1720 mm |
| Vehicle Height | 1780 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
