2005 GMC Sierra vs. 1973 Mazda RX-4
To start off, 2005 GMC Sierra is newer by 32 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 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 226 more horse power than 1973 Mazda RX-4. (114 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1973 Mazda RX-4. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1235 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 2005 GMC Sierra 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, 2005 GMC Sierra 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 351 more torque (in Nm) than 1973 Mazda RX-4. (165 Nm @ 4000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda RX-4.
Compare all specifications:
| 2005 GMC Sierra | 1973 Mazda RX-4 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-4 |
| Year Released | 2005 | 1973 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 340 HP | 114 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 516 Nm | 165 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2345 kg | 1110 kg |
| Vehicle Length | 5740 mm | 4400 mm |
| Vehicle Width | 2000 mm | 1670 mm |
| Vehicle Height | 1910 mm | 1390 mm |
| Wheelbase Size | 3650 mm | 2520 mm |
