1973 GMC Suburban vs. 1976 Mazda RX-3
To start off, 1976 Mazda RX-3 is newer by 3 year(s). Which means there will be less support and parts availability for 1973 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1973 GMC Suburban would be higher. At 5,733 cc (8 cylinders), 1973 GMC Suburban is equipped with a bigger engine. In terms of performance, 1973 GMC Suburban (153 HP @ 4000 RPM) has 53 more horse power than 1976 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 1973 GMC Suburban should accelerate faster than 1976 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Suburban weights approximately 1450 kg more than 1976 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1976 Mazda RX-3. In wet, icy, snow, or gravel driving conditions, 1973 GMC Suburban 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, 1973 GMC Suburban (345 Nm @ 2400 RPM) has 210 more torque (in Nm) than 1976 Mazda RX-3. (135 Nm @ 4000 RPM). This means 1973 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda RX-3.
Compare all specifications:
| 1973 GMC Suburban | 1976 Mazda RX-3 | |
| Make | GMC | Mazda |
| Model | Suburban | RX-3 |
| Year Released | 1973 | 1976 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 1964 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 153 HP | 100 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 345 Nm | 135 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2300 kg | 850 kg |
| Vehicle Length | 5480 mm | 4090 mm |
| Vehicle Width | 1950 mm | 1600 mm |
| Vehicle Height | 1800 mm | 1380 mm |
| Wheelbase Size | 3300 mm | 2320 mm |
