2004 Kia Optima vs. 1978 Mazda 818

To start off, 2004 Kia Optima is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Mazda 818. In addition, the cost of maintenance, including insurance, on 1978 Mazda 818 would be higher. At 2,398 cc (4 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (138 HP @ 3800 RPM) has 70 more horse power than 1978 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 2004 Kia Optima should accelerate faster than 1978 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 549 kg more than 1978 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1978 Mazda 818 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 818. 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 (199 Nm) has 107 more torque (in Nm) than 1978 Mazda 818. (92 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 818.

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