Answer: gashog

AnswerCrossword Clue
GASHOG

Hummer, e.g.

GASHOG

Far-from-efficient vehicle

GASHOG

Uneconomical car, perhaps

GASHOG
It's far from fuel-efficient
GASHOG
Uneconomical vehicle, slangily
GASHOGFuel guzzler
GASHOGSUV, typically