2007 Kia Sedona vs. 1978 Mazda RX-7
To start off, 2007 Kia Sedona is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 2,900 cc (4 cylinders), 2007 Kia Sedona is equipped with a bigger engine. In terms of performance, 2007 Kia Sedona (142 HP @ 3800 RPM) has 37 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 2007 Kia Sedona should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Sedona weights approximately 1030 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mazda RX-7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mazda RX-7. However, in wet, icy, snow, or gravel driving conditions, 2007 Kia Sedona, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Kia Sedona (310 Nm @ 2000 RPM) has 165 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2007 Kia Sedona will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
2007 Kia Sedona | 1978 Mazda RX-7 | |
Make | Kia | Mazda |
Model | Sedona | RX-7 |
Year Released | 2007 | 1978 |
Body Type | Minivan | Coupe |
Engine Position | Front | Front |
Engine Size | 2900 cc | 2292 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 142 HP | 105 HP |
Engine RPM | 3800 RPM | 6000 RPM |
Torque | 310 Nm | 145 Nm |
Torque RPM | 2000 RPM | 4000 RPM |
Engine Compression Ratio | 19.0:1 | 9.4:1 |
Fuel Type | Diesel | Gasoline |
Top Speed | 179 km/hour | 185 km/hour |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 2090 kg | 1060 kg |
Vehicle Length | 4930 mm | 4290 mm |
Vehicle Width | 1910 mm | 1680 mm |
Vehicle Height | 1810 mm | 1280 mm |
Wheelbase Size | 2910 mm | 2430 mm |
Fuel Tank Capacity | 75 L | 65 L |