Designing vehicles for different gravities

In my story, humans have colonized both a high-G and a low-G world in the same star system. How would surface vehicles have to be designed differently for practicality and economy on each of those worlds?

World A (Yanacocha) is a large carbon planet with surface gravity 2.12 times Earth. Theoretically, the crust of a carbon planet would be mostly graphite. The atmosphere is relatively thin (~44kPa) and primarily carbon monoxide, with potential for graphite dust storms, so I expect the colony to be mostly contained within sealed domes and tunnels. The primary function of the colony is mining.

World B (Serana) is a smallish Earth analogue with surface gravity 0.7 times Earth. The surface conditions should be broadly similar to Earth aside from the low gravity and associated thinner atmosphere (about 68kPa at sea level).

Edit: Added carbon planet link and details re: surface conditions on both planets.

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Designing vehicles for different gravities

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