2006 GMC Envoy vs. 1978 Mazda 929
To start off, 2006 GMC Envoy is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 5,359 cc (8 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (300 HP @ 5200 RPM) has 210 more horse power than 1978 Mazda 929. (90 HP @ 4800 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1285 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 929. In wet, icy, snow, or gravel driving conditions, 2006 GMC Envoy 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, 2006 GMC Envoy (447 Nm @ 4000 RPM) has 287 more torque (in Nm) than 1978 Mazda 929. (160 Nm @ 2500 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2006 GMC Envoy | 1978 Mazda 929 | |
| Make | GMC | Mazda |
| Model | Envoy | 929 |
| Year Released | 2006 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 90 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 447 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 96 mm | 80.1 mm |
| Engine Stroke Size | 92 mm | 98 mm |
| Engine Compression Ratio | 9.4:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 5 seats |
| Vehicle Weight | 2435 kg | 1150 kg |
| Vehicle Length | 5280 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1920 mm | 1450 mm |
| Wheelbase Size | 3280 mm | 2620 mm |
