2007 Audi RS4 vs. 1978 Mazda RX-7
To start off, 2007 Audi RS4 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 309 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 650 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 285 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
2007 Audi RS4 | 1978 Mazda RX-7 | |
Make | Audi | Mazda |
Model | RS4 | RX-7 |
Year Released | 2007 | 1978 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4161 cc | 2292 cc |
Engine Type | V | dual-disk rotary |
Horse Power | 414 HP | 105 HP |
Engine RPM | 7800 RPM | 6000 RPM |
Torque | 430 Nm | 145 Nm |
Torque RPM | 5500 RPM | 4000 RPM |
Engine Compression Ratio | 12.5:1 | 9.4:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 250 km/hour | 185 km/hour |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Manual |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1710 kg | 1060 kg |
Vehicle Length | 4590 mm | 4290 mm |
Vehicle Width | 1820 mm | 1680 mm |
Vehicle Height | 1420 mm | 1280 mm |
Wheelbase Size | 2660 mm | 2430 mm |
Fuel Tank Capacity | 70 L | 65 L |