Definition of econobox in English:
 econobox
noun ɪˈkɒnəbɒksiˈkänəˌbäks
North American informal A car that is small and economical rather than luxurious or stylish.
 Example sentencesExamples
-  This little econobox doesn't get its punch from some steroid-boosted turbocharged four-banger.
 -  Honda's second-generation technology enables this Civic to achieve miserly fuel economy without being a flimsy little econobox.
 -  It sells more that 5,000 Santa Fe SUVs each month and Kia's gone from econoboxes to seven models.
 -  I remember when gas was 25 cents per gallon in the 1960s - and when we ran out of gas at the pumps in the 1970s before CAFE forced us into econoboxes with zero zip and no fun.
 -  Nobody wants to be driving a round in boring econoboxes.
 -  It took Japan almost four decades to evolve from a maker of cheap econoboxes into a quality powerhouse that today trounces the likes of General Motors Co. and Mercedes in profitable areas like luxury cars and SUVs.
 -  Knowing everything the price system communicates about relative scarcity, would Jesus drive a gas-sipping econobox?
 -  Are you calculating how much he has done to avert global warming by putting his econobox in neutral and allowing it to roll down hills?
 -  When Hyundai Motor Co. first arrived in the U.S., 19 years ago, it was best known for rattletrap econoboxes.
 -  Yet in a competitive environment where every maker's quality is on the uptick, producing uninspired but highly reliable econoboxes is not a formula for long-term success.
 -  But the five-door would be specifically tailored for those who haven't found the hatch to be a model to aspire to - or who wouldn't even take a second look at a hatch if they were shopping for an econobox.
 -  The basic small-car brands cover a wide variety of vehicles moving up from skinny-tired econobox sedans selling for less than $10,000 to fully optioned convertibles on the far side of $20,000.
 
Origin
  
1970s: blend of economical and box.