2009 Audi A4 vs. 1975 Mazda 818
To start off, 2009 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Mazda 818. In addition, the cost of maintenance, including insurance, on 1975 Mazda 818 would be higher. At 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 90 more horse power than 1975 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1975 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 410 kg more than 1975 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Mazda 818 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 1975 Mazda 818. 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 (251 Nm @ 1500 RPM) has 159 more torque (in Nm) than 1975 Mazda 818. (92 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 818.
Compare all specifications:
| 2009 Audi A4 | 1975 Mazda 818 | |
| Make | Audi | Mazda |
| Model | A4 | 818 |
| Year Released | 2009 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1272 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 158 HP | 68 HP |
| Engine RPM | 4500 RPM | 6200 RPM |
| Torque | 251 Nm | 92 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 1410 kg | 1000 kg |
| Vehicle Length | 4710 mm | 4100 mm |
| Vehicle Width | 1830 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2810 mm | 2320 mm |
