While some countries are out there selling gas for less than $2 a gallon , in the U.S., we're seeing prices sitting near the $5 mark, so it's worth highlighting the models that burn through fuel at record rates.

๐Ÿ“Œ The Core Development

Now, of course, some historic vehicles with aircraft-powered racing machines and other such rare antique engines will be laughably inefficient, but the focus here is actually on more modern machinery. The sort of cars you might actually stand a chance of seeing one day, like the Dodge Ram SRT-10, and its modern successor, the Ram 1500 TRX. To inject a little excitement, we've also thrown in some significant and woefully inefficient supercars, like Lamborghini's angular Countach and the sixteen-cylinder Bugatti Veyron.

It's worth noting that all of these cars and trucks do have their uses. We aren't claiming they are useless and should be avoided just because of their poor fuel economy. Still, anyone scared of current fuel prices should steer well clear. Listed in order of their efficiency, with the most "impressive" featured first, here are our seven cars and trucks with some of the worst mpg ratings.

๐Ÿ” Background & Sector Context

The 2021 Hellcat-powered Ram 1500 TRX has some serious off-road pedigree. A 702-horsepower supercharged V8 enables this TRX to dart from 0 to 60 mph in just 3.7 seconds, while Bilstein remote-reservoir dampers, an electronic-locking rear diff, and 35-inch all-terrain tires ensure it's capable when the going gets tough.

Blistered wide arches see the TRX sitting a full 8 inches wider than standard 1500 models. While the wide arches themselves don't significantly increase weight, the wider mechanical components underneath help increase its base curb weight to a hefty 6,396 pounds. Piece all that info together โ€” supercharged V8, massive tires, and a robust curb weight โ€” and it should come as no surprise that the TRX finds itself on our list of vehicles with the worst fuel economy.

๐Ÿ“Š Industry & Real-World Impact

The EPA provides a combined rating of just 12 mpg, consisting of a 10 mpg rating around town and 14 mpg on the highway. However, in independent testing, the TRX has actually performed even less admirably than this, with as little as 9 mpg reported. Not the wisest choice for those who fear rising fuel prices.

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๐Ÿ”ฎ Strategic Outlook & What Lies Ahead

The Ferrari Enzo is about as far removed from a TRX as one could possibly get, sporting minuscule ground clearance, low-profile performance tires, and a naturally aspirated 6.0-liter V12. Yet, unsurprisingly, the two vehicles share something in common: woeful fuel economy.

Of course, a multi-million-dollar supercar is never going to be a Prius rival, but it's worth taking a look at just how inefficient the Enzo's 6.0-liter V12 is. Its EPA-provided rating is 12 mpg on the highway, and just 7 mpg around town, for a combined score of just 8 mpg. Independent testing sees the Enzo achieve 11 mpg, so actually better than the EPA suggests. Clearly, though, in addition to needing around $8 million in the bank to buy one in the first place, wannabe Enzo owners will also need to assign a decent portion of their net worth to actually keeping the thing fueled up. Those on a budget could always opt for a Fiero-based Enzo 'replica' instead, but the embarrassment of being seen in such a monstrosity likely outweighs any financial benefits there are to be had.

Editorial Integrity & Multi-Source Notice: News Seconds adheres to rigorous verification and fact-checking protocols. Original reporting credited to Jalopnik. For primary wire documentation and full source material, visit Original Coverage at Jalopnik โ†—.
MR
Marco Rossi Verified Editorial Staff
Senior Supercar & Aerodynamics Editor

Marco reports on mid-engine twin-turbos, performance hybrid powertrains, active aero, and Nรผrburgring lap records across Maranello, Stuttgart, and Silverstone.