2005 GMC Sierra vs. 1978 Mazda 818
To start off, 2005 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Mazda 818. In addition, the cost of maintenance, including insurance, on 1978 Mazda 818 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 272 more horse power than 1978 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1978 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1465 kg more than 1978 Mazda 818. 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 1978 Mazda 818. 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 424 more torque (in Nm) than 1978 Mazda 818. (92 Nm @ 4000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 818. 2005 GMC Sierra has automatic transmission and 1978 Mazda 818 has manual transmission. 1978 Mazda 818 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 1978 Mazda 818 | |
| Make | GMC | Mazda |
| Model | Sierra | 818 |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 1272 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 68 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 516 Nm | 92 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2345 kg | 880 kg |
| Vehicle Length | 5740 mm | 4080 mm |
| Vehicle Width | 2000 mm | 1600 mm |
| Vehicle Height | 1910 mm | 1390 mm |
| Wheelbase Size | 3650 mm | 2320 mm |
