1999 GMC Sierra vs. 1998 Mazda RX-7
To start off, 1999 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1998 Mazda RX-7 would be higher. At 4,293 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1998 Mazda RX-7 (265 HP @ 6500 RPM) has 68 more horse power than 1999 GMC Sierra. (197 HP @ 4600 RPM) In normal driving conditions, 1998 Mazda RX-7 should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 535 kg more than 1998 Mazda RX-7.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 GMC Sierra (352 Nm @ 2800 RPM) has 58 more torque (in Nm) than 1998 Mazda RX-7. (294 Nm @ 5000 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Mazda RX-7.
Compare all specifications:
| 1999 GMC Sierra | 1998 Mazda RX-7 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-7 |
| Year Released | 1999 | 1998 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 197 HP | 265 HP |
| Engine RPM | 4600 RPM | 6500 RPM |
| Torque | 352 Nm | 294 Nm |
| Torque RPM | 2800 RPM | 5000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1775 kg | 1240 kg |
| Vehicle Length | 5170 mm | 4290 mm |
| Vehicle Width | 2000 mm | 1770 mm |
| Vehicle Height | 1810 mm | 1240 mm |
| Wheelbase Size | 3030 mm | 2430 mm |
