2006 GMC Sierra vs. 1989 Mazda RX-7
To start off, 2006 GMC Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1989 Mazda RX-7 would be higher. At 4,802 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (285 HP @ 5200 RPM) has 85 more horse power than 1989 Mazda RX-7. (200 HP @ 6500 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1989 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 978 kg more than 1989 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Sierra (400 Nm @ 4000 RPM) has 136 more torque (in Nm) than 1989 Mazda RX-7. (264 Nm @ 3500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda RX-7.
Compare all specifications:
| 2006 GMC Sierra | 1989 Mazda RX-7 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-7 |
| Year Released | 2006 | 1989 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 2614 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 285 HP | 200 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 400 Nm | 264 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2263 kg | 1285 kg |
| Vehicle Length | 5850 mm | 4340 mm |
| Vehicle Width | 2000 mm | 1700 mm |
| Vehicle Height | 1850 mm | 1270 mm |
| Wheelbase Size | 3650 mm | 2430 mm |
