1973 Mazda RX-4 vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mazda RX-4. In addition, the cost of maintenance, including insurance, on 1973 Mazda RX-4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 225 more horse power than 1973 Mazda RX-4. (114 HP @ 6000 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1973 Mazda RX-4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 625 kg more than 1973 Mazda RX-4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mazda RX-4. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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 S4 (410 Nm @ 3500 RPM) has 245 more torque (in Nm) than 1973 Mazda RX-4. (165 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda RX-4.
Compare all specifications:
| 1973 Mazda RX-4 | 2007 Audi S4 | |
| Make | Mazda | Audi |
| Model | RX-4 | S4 |
| Year Released | 1973 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 4163 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 114 HP | 339 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 165 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1110 kg | 1735 kg |
| Vehicle Length | 4400 mm | 4580 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2660 mm |
