2001 Kia Rio vs. 1975 Mazda RX 4 Coupe
To start off, 2001 Kia Rio is newer by 26 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 Mazda RX 4 Coupe (114 HP @ 6000 RPM) has 40 more horse power than 2001 Kia Rio. (74 HP @ 5400 RPM) In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 2001 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda RX 4 Coupe weights approximately 185 kg more than 2001 Kia Rio. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 44 more torque (in Nm) than 2001 Kia Rio. (121 Nm @ 3000 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 2001 Kia Rio.
Compare all specifications:
| 2001 Kia Rio | 1975 Mazda RX 4 Coupe | |
| Make | Kia | Mazda |
| Model | Rio | RX 4 Coupe |
| Year Released | 2001 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1342 cc | 2616 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 114 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 121 Nm | 165 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 925 kg | 1110 kg |
| Vehicle Length | 4220 mm | 4400 mm |
| Vehicle Width | 1680 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 2420 mm | 2520 mm |
