2006 GMC Envoy vs. 1975 Mazda RX 4 Coupe
To start off, 2006 GMC Envoy is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 4,163 cc (6 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (291 HP @ 6000 RPM) has 177 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1325 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 GMC Envoy (376 Nm @ 4800 RPM) has 211 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 2006 GMC Envoy | 1975 Mazda RX 4 Coupe | |
| Make | GMC | Mazda |
| Model | Envoy | RX 4 Coupe |
| Year Released | 2006 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2616 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 291 HP | 114 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 376 Nm | 165 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2435 kg | 1110 kg |
| Vehicle Length | 4870 mm | 4400 mm |
| Vehicle Width | 1900 mm | 1670 mm |
| Vehicle Height | 1830 mm | 1390 mm |
| Wheelbase Size | 2880 mm | 2520 mm |
