2009 Audi A4 vs. 1979 Mazda 121
To start off, 2009 Audi A4 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 97 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 511 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 Mazda 121 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 1979 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (400 Nm @ 1400 RPM) has 240 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2009 Audi A4 | 1979 Mazda 121 | |
| Make | Audi | Mazda |
| Model | A4 | 121 |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 187 HP | 90 HP |
| Engine RPM | 3500 RPM | 4800 RPM |
| Torque | 400 Nm | 160 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 82.6 mm | 80 mm |
| Engine Stroke Size | 84.1 mm | 98 mm |
| Engine Compression Ratio | 17.5:1 | 8.6:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1645 kg | 1134 kg |
| Vehicle Length | 4710 mm | 4510 mm |
| Vehicle Width | 1830 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1350 mm |
| Wheelbase Size | 2810 mm | 2520 mm |
