1981 BMW 745 vs. 1973 Mazda RX-4
To start off, 1981 BMW 745 is newer by 8 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 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 138 more horse power than 1973 Mazda RX-4. (114 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1973 Mazda RX-4. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 480 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 215 more torque (in Nm) than 1973 Mazda RX-4. (165 Nm @ 4000 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda RX-4.
Compare all specifications:
1981 BMW 745 | 1973 Mazda RX-4 | |
Make | BMW | Mazda |
Model | 745 | RX-4 |
Year Released | 1981 | 1973 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 3430 cc | 2616 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 252 HP | 114 HP |
Engine RPM | 5200 RPM | 6000 RPM |
Torque | 380 Nm | 165 Nm |
Torque RPM | 2200 RPM | 4000 RPM |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1590 kg | 1110 kg |
Vehicle Length | 4870 mm | 4400 mm |
Vehicle Width | 1810 mm | 1670 mm |
Vehicle Height | 1440 mm | 1390 mm |
Wheelbase Size | 2800 mm | 2520 mm |