2004 Kia Optima vs. 1978 Datsun 280Z
To start off, 2004 Kia Optima is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Datsun 280Z. In addition, the cost of maintenance, including insurance, on 1978 Datsun 280Z would be higher. At 2,753 cc (6 cylinders), 1978 Datsun 280Z is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (170 HP @ 4000 RPM) has 20 more horse power than 1978 Datsun 280Z. (150 HP @ 5600 RPM). In normal driving conditions, 2004 Kia Optima should accelerate faster than 1978 Datsun 280Z. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 183 kg more than 1978 Datsun 280Z. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Datsun 280Z 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 Datsun 280Z. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Kia Optima (245 Nm) has 24 more torque (in Nm) than 1978 Datsun 280Z. (221 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1978 Datsun 280Z.
Compare all specifications:
| 2004 Kia Optima | 1978 Datsun 280Z | |
| Make | Kia | Datsun |
| Model | Optima | 280Z |
| Year Released | 2004 | 1978 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2753 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 150 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 245 Nm | 221 Nm |
| Engine Bore Size | 87 mm | 86.1 mm |
| Engine Stroke Size | 75 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1487 kg | 1304 kg |
| Vehicle Length | 4730 mm | 4399 mm |
| Vehicle Width | 1820 mm | 1631 mm |
| Wheelbase Size | 2720 mm | 2304 mm |
| Fuel Tank Capacity | 65 L | 60 L |
