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But you already know all this. It's loonacy to suggest that a 205 GTi 1.9
> from 1988, is a better car than a brand new Civic Type R or a 206 GTi 180 or
> a Clio 182 or whatever.
No it's not. Depending on what you want from a car, to some people, the 205 could quite easily be the better car, if you take into account handling, weight and VFM.
To suggest that a newer car is /always/ better than the older model /is/ lunacy, however. Mk2 v Mk3 Escort, for example.
I assume that what you're /really/ saying is that all new cars are better than old ones in the areas that matter most /to you/, i.e. safety, equipment, power etc.
In other areas, older cars are often superior - driver involvement being the major one. Granted, it's harder work, but feel and feedback from unassisted steering, non-ABS brakes, etc, give the driver an "attached" feeling, often leaving him/her more open to explore the limits of the car's handling.
Those limits may well be lower than the modern equivalent (or, indeed higher, see a 40 year old RWD Lotus Elan for example), but at least you can feel them approaching.
The majority of new cars have much higher limits, but less predictable breakaway. In essence, this means that when grip /is/ lost, it is often unexpected, and usually at a higher speed. Compound this with the higher mass of a modern car, and the result is a very difficult to control "moment"!
In summary, if straight-line speed, safety and comfort are all that matter to you, then yes, all new cars are better. There are, however, other factors that matter to other drivers.