1992 Cadillac DeVille vs. 1979 Mazda RX-7

To start off, 1992 Cadillac DeVille is newer by 13 year(s). Which means there will be less support and parts availability for 1979 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1979 Mazda RX-7 would be higher. At 4,087 cc (8 cylinders), 1992 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1992 Cadillac DeVille (129 HP @ 4200 RPM) has 25 more horse power than 1979 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1992 Cadillac DeVille should accelerate faster than 1979 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1992 Cadillac DeVille weights approximately 480 kg more than 1979 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1979 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 1979 Mazda RX-7. However, in wet, icy, snow, or gravel driving conditions, 1992 Cadillac DeVille, 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, 1992 Cadillac DeVille (271 Nm @ 2200 RPM) has 126 more torque (in Nm) than 1979 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1992 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda RX-7. 1992 Cadillac DeVille has automatic transmission and 1979 Mazda RX-7 has manual transmission. 1979 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1992 Cadillac DeVille will be easier to drive especially in heavy traffic.

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