2003 Kia Sorento vs. 1991 Mazda RX-7
To start off, 2003 Kia Sorento is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1991 Mazda RX-7 would be higher. At 3,489 cc (6 cylinders), 2003 Kia Sorento is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 5 more horse power than 2003 Kia Sorento. (192 HP @ 5750 RPM) In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 2003 Kia Sorento. With that said, vehicle weight also plays an important factor in acceleration. 2003 Kia Sorento weights approximately 688 kg more than 1991 Mazda RX-7.
Because 2003 Kia Sorento is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2003 Kia Sorento 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, 2003 Kia Sorento (310 Nm @ 3000 RPM) has 40 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm @ 3500 RPM). This means 2003 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7. 2003 Kia Sorento has automatic transmission and 1991 Mazda RX-7 has manual transmission. 1991 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Kia Sorento will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Kia Sorento | 1991 Mazda RX-7 | |
| Make | Kia | Mazda |
| Model | Sorento | RX-7 |
| Year Released | 2003 | 1991 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3489 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 192 HP | 197 HP |
| Engine RPM | 5750 RPM | 6500 RPM |
| Torque | 310 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1990 kg | 1302 kg |
| Vehicle Length | 4500 mm | 4320 mm |
| Vehicle Width | 1840 mm | 1700 mm |
| Vehicle Height | 1710 mm | 1270 mm |
| Wheelbase Size | 2670 mm | 2430 mm |
| Fuel Tank Capacity | 80 L | 75 L |
