There are lots of ways to build an engine… small, big, higher compression ratios, more or fewer cylinders, etc. An engine designed for power will consume more fuel than a smaller one designed for economy even at the same speed. So for small, cheap, “efficient” cars you get the smaller engine, and hence the weaker acceleration.
There are other possibilities… like the gear ratios and how many are available, and the programming of the car computer. Eco and Performance (aka Sport) modes are absolutely doable, and if your car happens to have these options, make sure they are set how you want them. Not to mention the driver operating the car correctly… more so in a manual than an automatic, but it is still possible to do it wrong.
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