The biggest gas-guzzlers of 2024: ‘The Meanest List’ is the opposite of greenest cars

Gas-guzzlers 2024 ACEEE

The American Council for an Energy-Efficient Economy (ACEEE) has panned “the worst-performing mass market automobiles” marketed in the United States in 2024, and it has no qualms about it on its so-called “Meanest List” of twelve models. 

It is a gas-powered vehicle, and its MSRP is almost $184,000. 

Rank Make & Model Powertrain Green


MSRP Estimated Annual

Fuel Cost*

1 Mercedes-Benz Maybach S680 Gas 30 $234,300 $3,031
2 Chevrolet Corvette Z06 Gas 30 $114,395 $3,169
3 GMC Sierra Gas 29 $37,700 $3,069
4 GMC Hummer EV SUV Gas 29 $98,845 $1,746
5 Mercedes-Benz G550 Gas 28 $143,000 $3,186
6 Jeep Grand Wagoneer 4×4 Gas 28 $91,945 $3,058
7 Jeep Wrangler 4dr 4X4 Gas 27 $35,895 $3,260
8 Dodge Durango SRT Gas 26 $74,995 $3,332
9 Cadillac Escalade V Gas 26 $152,295 $3,388
10 Ford F150 Raptor R Gas 24 $79,975 $3,777
11 Ram 1500 TRX 4×4 Gas 22 $98,335 $3,819
12 Mercedes-Benz AMG G63 Gas 20 $184,000 $4,242

*ACEEE analysis based on 15,000 miles driven annually on EIA data.

The only electric vehicle on the list, the 9,000-pound GMC Hummer EV, is lonely toward the pack’s center. 

It is also important to remind potential purchasers that “demonstrating that greener solutions can also be more inexpensive,” the average gasoline cost of a car on the “Greenest List” is only one-fifth that of a car on the “Meanest List.” Additionally, the ACEEE released a “Greener List” of fuel-efficient and plug-free hybrid and gasoline-powered vehicles.

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