12 Cars With the Worst Fuel Efficiency

  • In the two-seater category, Bugatti’s Veyron wins hands down. Often referred to as the “fastest street-legal production car in the world,” the Veyron offers a top speed of 267 miles per hour. The turbocharged, 8.0-liter, 16-cylinder supercar cranks out an
  • The 12-cylinder, 6.3-liter Ferrari FF ties for the lowest fuel efficiency in the mid-size category with 13 mpg combined. The FF (which stands for “four seats, four-wheel drive”) is Ferrari’s first production four-wheel drive model. It gets 11 mpg in the c
  • Bentley’s Mulsanne ties the Ferrari FF in the mid-size category. Known for its handcrafted luxury and powerful powertrains, Bentley endowed the Mulsanne with a 6.75-liter V8 engine. Its US DOT rating is 13 mpg combined, with 11 mpg in the city and 18 mpg
  • The 6.2-liter, eight-cylinder supercharged version of the Chevy Camaro cranks out 580 HP and 556 lb-ft of torque. It also helps the Camaro ZL1 to a US DOT rating of 14 mpg combined, tied for the lowest in the compact car category. It gets 12 mpg in the ci
  • Tied for the worst mileage in the compact car category, the 5.5-liter, 12-cylinder turbocharged Mercedes-Benz CL600 can cost up to $215,500, but it delivers 621 HP and 738 lb-ft of torque. The CL600 is rated at 14 mpg combined, 12 mpg in the city, and 18
  • In the mini-compact category, Aston Martin’s DB9 ties for the lowest fuel efficiency, with 15 mpg. The DB9’s 48-valve 12-cylinder engine cranks out 510 HP and 457 lb-ft of torque, while accelerating from 0-100 km/h in 4.6 seconds. It gets 13 mpg in the ci
  • The 4.3-liter, eight-cylinder Ferrari California ties for the lowest rating in the mini-compact category, with 15 mpg combined. It gets 13 mpg in the city and 19 mpg on the highway.
    (Source: Ferrari)
  • The Cadillac CTS Wagon with a 6.2-liter, eight-cylinder, supercharged engine sports the lowest fuel efficiency in the small station wagon category with a combined rating of 14 mpg. It gets 12 mpg in the city and 18 mpg on the highway, according to the US
  • In the large station wagon category, the lowest fuel efficiency goes to a Mercedes-Benz E63 AMG wagon powered by a 5.5-liter, eight-cylinder, turbocharged engine. It gets a combined rating of 17 mpg, with 15 mpg in the city and 21 mpg on the highway.
  • The massive Rolls-Royce Phantom has the worst fuel efficiency in the large car category, with a US DOT rating of 14 mpg combined. It uses a 6.7-liter, 12-cylinder engine to carry its ponderous 5,600 pounds, getting 11 mpg in the city and 19 mpg on the hig
  • Aston Martin’s 5.9-liter, V12 Rapide S ties for the lowest fuel efficiency in the compact car category, at 15 mpg. The 550 HP engine enables the Rapide S to hit a top speed of 190 mph and accelerate from 0-100 km/h in just 4.9 seconds. It gets 13 mpg in t
  • Bentley calls the Continental GT Speed Convertible the “fastest four-seat convertible in the world.” Its 616-HP, 48-valve, 12-cylinder engine takes it to a top speed of 202 mph, but it earns a 15 mpg combined rating from the US DOT. It gets 12 mph on the


With fuel efficiency considered a national priority, media stories tend to naturally gravitate toward the cars with the best miles-per-gallon ratings. But low-mileage cars are still being built, and, in many cases, consumers are paying a premium for them.

Using data from the US Department of Transportation's fuel economy website , we've compiled a list of some of the least fuel efficient cars for 2014. From Aston Martin and Bugatti to Chevy and Cadillac, we present some of the auto industry's most prominent gas guzzlers.

Click on Bugatti's Veyron, the hands-down winner (loser?) in this contest, to start the slideshow.

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June 02, 2014

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