2002 GMC Sierra vs. 1978 Mazda RX-3
To start off, 2002 GMC Sierra is newer by 24 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-3 would be higher. At 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 221 more horse power than 1978 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 2002 GMC Sierra should accelerate faster than 1978 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 2002 GMC Sierra weights approximately 1420 kg more than 1978 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda RX-3. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 GMC Sierra (371 Nm @ 4000 RPM) has 236 more torque (in Nm) than 1978 Mazda RX-3. (135 Nm @ 4000 RPM). This means 2002 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-3.
Compare all specifications:
| 2002 GMC Sierra | 1978 Mazda RX-3 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-3 |
| Year Released | 2002 | 1978 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 1963 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 321 HP | 100 HP |
| Engine RPM | 5000 RPM | 7000 RPM |
| Torque | 371 Nm | 135 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 850 kg |
| Vehicle Length | 5790 mm | 4090 mm |
| Vehicle Width | 2000 mm | 1600 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 3650 mm | 2320 mm |
| Fuel Tank Capacity | 117 L | 65 L |
