For mine there is only 1 Mazda MX-3 GS, and they get 30.0 Average, 28 - 32 range, and EPA is 22 combined, 20 city, and 26HWY.
My stock GS (130HP 1.8L V6) gets about the same, but up to 34HWY.
My race MX-3 with a 2.5L 240HP engine, and almost everything upgraded (and weighs more) gets about the same, and will be much better when I fine tune my Engine Management System, and lose some weight.
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