2005 GMC Sierra vs. 1984 Mazda RX-7
To start off, 2005 GMC Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1984 Mazda RX-7 would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (285 HP) has 171 more horse power than 1984 Mazda RX-7. (114 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1984 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1257 kg more than 1984 Mazda RX-7. 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 1984 Mazda RX-7. 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 (400 Nm) has 242 more torque (in Nm) than 1984 Mazda RX-7. (158 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda RX-7.
Compare all specifications:
| 2005 GMC Sierra | 1984 Mazda RX-7 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-7 |
| Year Released | 2005 | 1984 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 2292 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 285 HP | 114 HP |
| Torque | 400 Nm | 158 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2317 kg | 1060 kg |
| Vehicle Length | 5710 mm | 4290 mm |
| Vehicle Width | 2000 mm | 1680 mm |
| Vehicle Height | 1880 mm | 1270 mm |
| Wheelbase Size | 3380 mm | 2430 mm |
