Automakers around the globe are being pushed into an electrified future. Stricter emissions regulations and consumer demand for efficiency are putting the squeeze on the big, thirsty V8s and V6s that once defined performance and prestige. While these cars and SUVs still roar today, their fuel habits make them endangered species. Here are 15 gas guzzling machines that might not survive the next wave of electrification, complete with horsepower figures, mpg ratings, and what they are worth on the market right now.
Dodge Charger and Challenger Hellcat

The Hellcat’s 6.2 liter supercharged V8 is one of the most outrageous engines of the modern era. With power ranging from 707 to 797 horsepower, these muscle cars can outrun almost anything on the road. But they also return as little as 12 mpg in the city. Dodge has already announced that both the Charger and Challenger will be retired in their current form, replaced by electric muscle cars. Clean used Hellcats still command 65,000 to 90,000 dollars, with special editions going for much more.
Chevrolet Camaro SS and ZL1

The Camaro SS with its 6.2 liter V8 delivers 455 horsepower, while the supercharged ZL1 cranks out 650. Both are brutal performers, but real world mileage often hovers around 14 mpg combined. Camaro sales have dwindled, and GM has hinted that the current generation may be the last. Used SS models start around 35,000 dollars, while ZL1s can top 70,000 depending on condition.
Ford Mustang GT and Shelby GT500

The Mustang GT’s 5.0 liter Coyote V8 puts out 480 horsepower, while the GT500 packs a supercharged 5.2 liter engine with a staggering 760 horsepower. Both deliver thrilling speed, but with mpg ratings as low as 12 in the city, they are gas guzzlers through and through. Ford has confirmed electrification will play a big role in the Mustang’s future. GTs remain affordable at 40,000 to 55,000 dollars, while GT500s easily bring 85,000 to 110,000.
Cadillac Escalade V

The Escalade V combines full luxury with absurd performance. Its 6.2 liter supercharged V8 produces 682 horsepower, making it one of the most powerful SUVs in history. Fuel economy? Around 11 mpg city and 16 highway. Cadillac is already rolling out electric models like the Lyriq and Celestiq, signaling that the V8 Escalade may be phased out soon. Prices remain sky high, often 125,000 to 150,000 dollars on the used market.
Jeep Grand Cherokee Trackhawk

The Trackhawk borrowed Dodge’s Hellcat V8, giving it 707 horsepower and the ability to hit 60 mph in 3.5 seconds. Unfortunately, it also delivered single digit mpg when driven hard. Jeep is focusing heavily on plug in hybrids and electrics like the Wagoneer S, which means the Trackhawk has no future in the lineup. Used examples trade hands between 80,000 and 100,000 dollars, largely because of rarity.
Ram 1500 TRX

The Ram TRX is a pickup designed to laugh in the face of logic. With a 702 horsepower Hellcat V8 under the hood, it is heavy, fast, and utterly inefficient. Officially rated at 10 mpg combined, most owners report even worse. Ram has already confirmed that electrification will reach its truck line soon. TRX trucks hold value extremely well, ranging from 85,000 to over 110,000 depending on trim.
Chevrolet Suburban 6.2 V8

The Suburban has long been the symbol of big American SUVs. Its 6.2 liter V8 offers 420 horsepower and 460 lb ft of torque but only about 14 mpg combined. GM has committed to producing electric versions of its SUVs, which may spell the end of big V8 Suburbans. Market values range from 65,000 to 90,000 dollars for late model 6.2s.
GMC Yukon Denali 6.2 V8

The Yukon Denali shares its engine with the Suburban and Escalade. With the same 420 horsepower, it suffers the same fuel economy issues. GMC has already teased electric models, which makes the Denali’s thirsty V8 endangered. New models run around 85,000 dollars, with strong resale value because of demand.
Nissan Armada

The Armada uses a 5.6 liter V8 making 400 horsepower, paired with a curb weight over 5,500 pounds. The result is a luxury SUV that struggles to get more than 14 mpg combined. Nissan is investing heavily in EVs like the Ariya, which suggests the Armada’s big V8 will not last. Used prices range from 40,000 to 60,000 dollars.
Toyota Sequoia (previous generation)

The old Sequoia with its 5.7 liter V8 made 381 horsepower and 401 lb ft of torque. Unfortunately, it returned just 13 mpg combined. Toyota has already replaced it with a 3.5 liter twin turbo V6 hybrid, confirming the V8 Sequoia is gone for good. Older models now sell for 20,000 to 40,000 dollars, with values climbing because of their durability.
Lexus LX 570

The Lexus LX shared its 5.7 liter V8 with the Toyota Land Cruiser, producing 383 horsepower and notorious thirst. With mpg ratings as low as 12 in the city, Lexus has already moved on to a turbocharged hybrid V6 in the new LX 600. LX 570s hold their value strongly, often selling for 50,000 to 80,000 dollars on the used market.
Chevrolet Tahoe 6.2 V8

The Tahoe’s available 6.2 liter V8 puts out 420 horsepower but struggles to top 15 mpg combined. GM has announced plans for electric Tahoes and Yukons, so this big V8 option may soon vanish. Used Tahoe 6.2 models sell between 55,000 and 75,000 dollars.
Ford Expedition 3.5 EcoBoost High Output

Though technically a twin turbo V6, the Expedition’s size and weight keep it among the gas guzzlers. With 400 horsepower in standard form and 440 in the Platinum, mpg ratings remain stuck around 17 combined, and often lower in real world use. Ford has hinted at hybrid and EV versions in the future. Prices today run from 65,000 to 85,000 dollars.
Maserati Levante Trofeo

Maserati’s Levante Trofeo uses a Ferrari derived twin turbo V8 producing 580 horsepower. While intoxicating, it gulps premium fuel at a rate of just 13 mpg city and 18 highway. Maserati is moving toward electrification under Stellantis, making the Trofeo’s future uncertain. Market prices hover around 95,000 to 120,000 dollars.
Lamborghini Urus

The Urus combines Lamborghini performance with SUV practicality. Its 4.0 liter twin turbo V8 produces 641 horsepower and 627 lb ft of torque, but its 14 mpg combined rating puts it squarely in gas guzzler territory. Lamborghini has already committed to hybridizing its lineup, which means the Urus as we know it will not survive the next generation. Prices remain sky high at 230,000 to 270,000 dollars used.
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