1978 Avanti Avanti vs. 1985 Cadillac DeVille

To start off, 1985 Cadillac DeVille is newer by 7 year(s). Which means there will be less support and parts availability for 1978 Avanti Avanti. In addition, the cost of maintenance, including insurance, on 1978 Avanti Avanti would be higher. At 6,568 cc (8 cylinders), 1978 Avanti Avanti is equipped with a bigger engine. In terms of performance, 1978 Avanti Avanti (177 HP @ 3400 RPM) has 48 more horse power than 1985 Cadillac DeVille. (129 HP @ 4200 RPM). In normal driving conditions, 1978 Avanti Avanti should accelerate faster than 1985 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1978 Avanti Avanti weights approximately 40 kg more than 1985 Cadillac DeVille. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1978 Avanti Avanti 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 Avanti Avanti. However, in wet, icy, snow, or gravel driving conditions, 1985 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, 1978 Avanti Avanti (442 Nm @ 2000 RPM) has 170 more torque (in Nm) than 1985 Cadillac DeVille. (272 Nm @ 2200 RPM). This means 1978 Avanti Avanti will have an easier job in driving up hills or pulling heavy equipment than 1985 Cadillac DeVille. 1985 Cadillac DeVille has automatic transmission and 1978 Avanti Avanti has manual transmission. 1978 Avanti Avanti will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1985 Cadillac DeVille will be easier to drive especially in heavy traffic.

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