2006 Audi RS4 vs. 1977 Mazda 818
To start off, 2006 Audi RS4 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Mazda 818. In addition, the cost of maintenance, including insurance, on 1977 Mazda 818 would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (415 HP @ 7800 RPM) has 347 more horse power than 1977 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1977 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 845 kg more than 1977 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Mazda 818. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 338 more torque (in Nm) than 1977 Mazda 818. (92 Nm @ 4000 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 818.
Compare all specifications:
| 2006 Audi RS4 | 1977 Mazda 818 | |
| Make | Audi | Mazda |
| Model | RS4 | 818 |
| Year Released | 2006 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1271 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 415 HP | 68 HP |
| Engine RPM | 7800 RPM | 6200 RPM |
| Torque | 430 Nm | 92 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1845 kg | 1000 kg |
| Vehicle Length | 4560 mm | 4100 mm |
| Vehicle Width | 1820 mm | 1600 mm |
| Vehicle Height | 1400 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2320 mm |
