2007 Kia Optima vs. 1973 Mazda 929
To start off, 2007 Kia Optima is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 2,399 cc (4 cylinders), 2007 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 Kia Optima (162 HP @ 5800 RPM) has 79 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2007 Kia Optima should accelerate faster than 1973 Mazda 929.
Because 1973 Mazda 929 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 1973 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 2007 Kia Optima, 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 Optima (222 Nm @ 4260 RPM) has 85 more torque (in Nm) than 1973 Mazda 929. (137 Nm @ 3000 RPM). This means 2007 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 2007 Kia Optima | 1973 Mazda 929 | |
| Make | Kia | Mazda |
| Model | Optima | 929 |
| Year Released | 2007 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 1768 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 83 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 222 Nm | 137 Nm |
| Torque RPM | 4260 RPM | 3000 RPM |
| Engine Compression Ratio | 10.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4740 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1670 mm |
| Vehicle Height | 1490 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2520 mm |
| Fuel Tank Capacity | 65 L | 65 L |
