Worst Fuel Economy: Cars That Guzzle The Most Gas

what car has the worst fuel economy

With gas prices soaring, it's important to consider fuel efficiency when buying a car. Some cars are notorious for guzzling gas and leaving your wallet feeling empty. So, which cars have the worst fuel economy? We've compiled a list of the top offenders, with gas mileage that will make your wallet cry. From the Pagani Zonda F's measly 6.9 mpg to the Lamborghini LM002 and Mercedes 300 SLR's slightly better, but still disappointing, 7.8 mpg, these cars are not for the faint of heart (or budget-conscious). If you're looking for a more fuel-efficient ride, you might want to steer clear of these gas-guzzlers.

Characteristics Values
Worst MPG car Pagani Zonda F
Gas mileage 6.9 mpg
Description 2 door RWD Coupé with 2 seats
Year Sold from 2005 to 2009
Second Worst MPG car Lamborghini LM002
Gas mileage 7.8 mpg
Description 4 door AWD SUV with 4+2 seats
Year Sold from 1986 to 1993
Joint Second Worst MPG car Mercedes 300 SLR
Gas mileage 7.8 mpg
Joint Fourth Worst MPG car Ferrari F50
Gas mileage 8 mpg
Description 2 door RWD Roadster with 2 seats
Year Sold from 1995 to 1998

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Pagani Zonda F

The Pagani Zonda F is a mid-engine sports car produced by Italian sports car manufacturer Pagani. It was unveiled in 2005 as an extensive re-engineered version of the original Zonda, showcasing Pagani's pursuit of performance and craftsmanship. The Zonda F is characterised by its aggressive, angular bodywork, carbon fibre construction, and naturally aspirated V12 engine from Mercedes-AMG, delivering exhilarating power, precision, and speed.

The Zonda F has impressive performance specifications, with a power output of up to 650 PS (478 kW; 641 hp) and 780 N⋅m (575 lb⋅ft) of torque. It can accelerate from 0 to 100 km/h in just 3.5 seconds, placing it firmly in the supercar category. The car's length is 14’6.6” (444 cm), with a width of 6’8.9” (206 cm) and a height of 3’8.9” (114 cm). The wheelbase is 8’11.5” (273 cm), and it has a curb weight of 2,756 lb (1,250 kg).

The distinctive bodywork of the Zonda F is designed for maximum downforce, while the carbon fibre construction reduces weight to enhance performance. The interior blends Italian style and class, with a centre console reminiscent of a fighter plane's controls. The Zonda F was named in tribute to Juan Manuel Fangio, a legendary Formula 1 driver, and it is known for its sharp handling and engineering excellence.

The Pagani Zonda F is an extremely rare car, with only 27 units made worldwide. Each car is meticulously hand-built, and Pagani even offers custom-made driving shoes for its customers. The Zonda F has a reputation for poor fuel economy, with a gas mileage of just 6.9 mpg, making it the car with the worst fuel economy in its class. Despite this, the Zonda F established Pagani as a leader in the hypercar world, combining advanced technology with artistic design.

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Lamborghini LM002

The Lamborghini LM002 is a car with one of the worst fuel economies, with a gas mileage of 7.8 mpg. It is a 4-door AWD SUV with 4+2 seats and was sold from 1986 to 1993. It boasts an impressive 444 hp, 5,167 cc four-valve DOHC V-12 engine with six Weber carburetors. This powerful engine is fed by a 76-gallon fuel tank, contributing to its low fuel economy. Despite its fuel consumption, the LM002 has an impressive performance, accelerating from 0 to 60 mph in just 7.7 seconds, which is remarkable given its curb weight of 5,720 pounds.

The LM002 was produced and sold by Lamborghini between 1986 and 1993. During this period, it is reported that a 1989 model was sold for $77,000. This particular car was noted to be from a private California collection, kept in climate-controlled storage, and properly maintained. The car was said to be in outstanding condition, running and driving very well, and even had a functioning air conditioner.

The Lamborghini LM002 is an impressive vehicle, not just for its powerful engine and performance but also for its unique design. It is a large and heavy vehicle, weighing in at 3045 kg. Despite its weight, the LM002 manages to accelerate quickly and has a top speed of 120 mph. The car has a distinctive military-inspired look, with a boxy shape and angular features. Its high ground clearance and large tires give it a rugged appearance, and its wide stance hints at its powerful engine and performance capabilities.

The LM002 has a unique place in Lamborghini's history as their first and only off-road vehicle. It was designed to be a luxury SUV with off-road capabilities, offering a unique combination of performance, luxury, and ruggedness. The LM002 was a significant departure from Lamborghini's typical sports car offerings, and its production was limited, making it a rare and sought-after collector's item today.

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Mercedes 300 SLR

The Mercedes 300 SLR is a two-seat sports racing car that took part in the 1955 World Sportscar Championship. It was based on the 1954-1955 Mercedes-Benz W196 Formula One champion, with a 3-litre engine. The car was designated "SL-R" (for Sport, Leicht, Rennen), which later became "SLR". The SL-R was an uprated version of the G.P. car's fuel-injected 2.5-litre straight-eight engine. The engine was modified to a 3-litre engine, which was the most that could be squeezed from the G.P. car's engine.

The 300 SLR had a monoposto driving position, which was modified to standard two-abreast seating, and headlights were added to adapt the car from a strictly track competitor to a 24-hour road/track sports racer. The car was also fitted with huge turbine-cooled drum brakes at both the front and rear, mounted inboard on the chassis. The 300 SLR was capable of speeds approaching 290 km/h (180 mph).

The 300 SLRs scored a decisive 1-2-3 finish in the Tourist Trophy at Dundrod, Ireland, and a 1-2 at the Targa Florio in Sicily, earning Mercedes victory in the 1955 World Sportscar Championship. The car had an impressive record, winning five of the six races it entered. However, its success was overshadowed by a horrific accident at Le Mans, which ended its domination prematurely. The once-leading 300 SLRs were withdrawn from the race after a team car, driven by Pierre Levegh, rear-ended an Austin-Healey, launching into the air.

The 300 SLR has been described by Hall of Fame Formula One driver and former Mercedes-Benz team 300 SLR race driver, Stirling Moss, as "The greatest sports racing car ever built – really an unbelievable machine." The 300 SLR is also one of the cars with the worst MPG ever made for public roads, with a gas mileage of 7.8 mpg.

Mercedes-Benz is renowned for crafting luxury models with premium performance, and the GLC lineup features three powertrains, from the standard 2.0L I-4 turbo engine to a handcrafted AMG® with hybrid assist and turbocharger. The GLC offers a range of powerful engines, providing a perfect balance of performance and efficiency.

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Ferrari F50

The Ferrari F50 is a 2-door, 2-seat roadster that was sold from 1995 to 1998. With a gas mileage of 8 mpg, it is one of the cars with the worst fuel economy, taking joint fourth place. The F50 has a powerful engine and is a high-performance sports car, which are typical features of cars with poor fuel economy.

The Environmental Protection Agency (EPA) annually lists the "Least Efficient Cars by EPA Size Class", and high-performance sports cars and luxury rides dominate the rankings. While the Ferrari F50 does not feature on this list, it is likely that its poor fuel economy would place it among the other cars with powerful engines and high price tags.

The worst fuel economy of all 2020 vehicles was the Bugatti Chiron, with 11 miles per gallon. The Chiron Pur Sport, a track-focused version of the Chiron, has even worse fuel economy, with just 10 mpg in 2021. These cars are extremely expensive, with a price tag of $3.6 million for the Pur Sport, so their fuel economy is not a primary concern for their target market.

The Pagani Zonda F, a 2-door RWD Coupé with 2 seats, takes first place for the worst MPG ever, with a gas mileage of 6.9 mpg. Other cars with extremely poor fuel economy include the Lamborghini LM002 and the Mercedes 300 SLR, which both have a gas mileage of 7.8 mpg, and the Vector W8 TwinTurbo, the Rolls-Royce Phantom VI, and the Pagani Zonda Roadster, which all have a gas mileage of 8 mpg.

The Ferrari F50, with its 8 mpg fuel economy, is among the worst-performing cars in terms of fuel efficiency. However, it is not alone in this category, as several other high-performance, luxury vehicles also have extremely poor fuel economy.

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Vector W8 TwinTurbo

The Vector W8 Twin-Turbo is a 2-door RWD Coupé with 2 seats, which was sold from 1989 to 1993. With a gas mileage of 8 mpg, it is one of the cars with the worst fuel economy ever made for public roads. The car is powered by a twin-turbocharged engine with an advertised power output of 625 hp and 649 lb⋅ft of torque. The engine features two intercooled Garrett turbochargers, with automotive center sections and aircraft-specific impellers and housings. The W8 utilised special Michelin XGT Plus tyres, with wide wheels designed to the owner's specifications. The W8 generated a skid-pad acceleration of 0.97g, which was considered the highest in its class at the time. Vector claimed that the car could reach a top speed of 242 mph, with a 0–60 mph acceleration in 3.9 seconds. The design of the car underwent subtle changes during its production run, including the elimination of some gills, a lower front fascia and air splitter, and adjustments to the rear wing, mirror intakes, and front grill. The removable glass roof was also removed from production cars due to buffeting at extreme speeds. Only 17 customer cars and 2 pre-production cars were produced before Vector went into receivership in 1993. The AWX-3 and AWX-3R were intended to be the successors of the W8.

Frequently asked questions

The car with the worst fuel economy is the Pagani Zonda F, with a gas mileage of 6.9 mpg.

The Lamborghini LM002 and the Mercedes 300 SLR tie for second place, with a gas mileage of 7.8 mpg.

The Pagani Zonda C12 S has the third-worst fuel economy, with a gas mileage of 8.4 mpg.

Yes, in addition to the cars mentioned above, the following cars have a gas mileage of less than 8 mpg: the Ferrari F50, the Vector W8 Twin Turbo, the Rolls-Royce Phantom VI, and the Pagani Zonda Roadster.

Yes, the Pagani Zonda S and the Pagani Zonda Roadster have gas mileage of 8.8 mpg and 8.3 mpg, respectively.

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