2007 Audi A4 vs. 1973 Mazda 818
To start off, 2007 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mazda 818. In addition, the cost of maintenance, including insurance, on 1973 Mazda 818 would be higher. At 1,780 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 93 more horse power than 1973 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1973 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 590 kg more than 1973 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mazda 818. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (225 Nm @ 1950 RPM) has 133 more torque (in Nm) than 1973 Mazda 818. (92 Nm @ 4000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 818.
Compare all specifications:
| 2007 Audi A4 | 1973 Mazda 818 | |
| Make | Audi | Mazda |
| Model | A4 | 818 |
| Year Released | 2007 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 1270 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 68 HP |
| Engine RPM | 5700 RPM | 6200 RPM |
| Torque | 225 Nm | 92 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 880 kg |
| Vehicle Length | 4550 mm | 4080 mm |
| Vehicle Width | 1780 mm | 1600 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2650 mm | 2320 mm |
