2024’s Most Fuel-Intensive Cars: ‘The Meanest List’ Contrasts Greenest Vehicles

This article discusses the American Council for an Energy-Efficient Economy’s (ACEEE) “Meanest List,” which examines the worst-performing mass-market cars sold in 2024 in the United States in terms of energy efficiency. The Mercedes-Benz AMG G63 tops this list with an annual fuel cost over $4,000. The smallest vehicle on the list is the Chevy Corvette Z06. Many SUVs and pickup trucks feature on the list, showcasing that size and fuel efficiency are increasingly important. Yet, the list also features a significantly weighty electric vehicle, the GMC Hummer EV, confirming that not just fuel source but size and efficiency matter in assessing a vehicle’s impact on the environment.

The Mercedes-Benz AMG G63: Worst-Performing Car


The Mercedes-Benz AMG G63 ranks as the worst-performing vehicle among the over 1,200 models evaluated by the ACEEE. With a green score of 20, annual fuel costs over $4,000, and an MSRP of $184,000, the gas-powered SUV is the most inefficient model on the list.

Majority Comprised of Trucks and SUVs


The “Meanest List” is heavily dominated by trucks and SUVs, indicating their significant environmental impact. From the Ram 1500 TRX 4×4 to the Ford F150 Raptor R and the Jeep Grand Wagoneer 4×4, these heavyweight vehicles are among the least energy-efficient models sold in 2024.

Electric Vehicle on the List


Notably, an electric vehicle, the GMC Hummer EV, also finds a place on the list. Weighing in at 9,000 pounds, it notably highlights that size and efficiency, not just fuel source, are essential factors in a vehicle’s environmental impact. Its hefty size ensures its inclusion on the list despite being an electric vehicle.

Cost Comparison with Green Vehicles


ACEEE points out an interesting economic aspect concerning the vehicles on the “Meanest List,” — they cost significantly more to fuel annually compared to the vehicles on the “Greenest List.” Fuel costs for vehicles on the “Meanest List” are approximately five times more than those on the “Greenest List,” reflecting that more environmentally friendly options could also be more affordable.

The “Greener List”


To offer a fair comparison, ACEEE also publishes a “Greener List” which highlights efficient gasoline and hybrid cars that do not require plugging in. This list showcases vehicles that perform better in terms of annual fuel cost and energy efficiency, offering a counterpoint to the “Meanest List.”

In conclusion, the ACEEE “Meanest List” provides a stark reality check on the environmental impact of some of the most popular vehicles. Such evaluations are essential in encouraging both manufacturers and consumers to shift towards greener alternatives, ultimately contributing to a more sustainable future.

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