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Choosing a car shouldn't be based solely on performance or design, but also on fuel efficiency. Some vehicles, while offering luxury, power, and outstanding performance, have excessive fuel consumption, which can lead to high costs and a significant environmental impact.
In this article, we present a comparative analysis of the five cars that stand out for their high fuel consumption, organized in descending order, with the last one being the most fuel-efficient. We also recommend an app at the end to monitor fuel consumption and help you make informed decisions.
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Why Pay Attention to Fuel Consumption?
Fuel consumption is a crucial factor when purchasing a car, as it affects both personal finances and the environment.
Gas-guzzling cars incur higher operating costs over time and generate higher CO₂ emissions, which contribute to climate change.
Therefore, it is important to evaluate whether a vehicle's characteristics justify this high consumption or whether there are more efficient alternatives.
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Top 5 Cars with High Fuel Consumption
Below is a list of the cars with the highest fuel consumption, in descending order. The car with the lowest fuel consumption appears first, and the car with the highest fuel consumption appears last.
5. Porsche Cayenne Turbo GT
He Porsche Cayenne Turbo GT It's known for its power and luxury. This high-performance SUV offers an exciting driving experience, but its large-displacement engine results in high fuel consumption.
- Characteristics: Robust engine and advanced suspension system.
- Estimated consumption: Approximately 15 to 18 km/l in mixed conditions.
- Comment: Ideal for those looking for a high-end vehicle, but its fuel efficiency is low, which increases long-term operating costs.
4. Audi RS Q8
He Audi RS Q8 It combines the style and technology of a luxury SUV with impressive performance. However, this balance of power and comfort translates into significantly high fuel consumption.
- Characteristics: 4.0-liter twin-turbo V8 engine delivers a dynamic driving experience.
- Estimated consumption: Between 12 and 14 km/l, depending on usage conditions.
- Comment: Despite its sophistication, the RS Q8 is fuel-efficient, which may not be the best choice for those seeking efficiency and economy.
3. Ferrari F8 Tributo/Spider
The Ferrari F8 Tributo/Spider It's synonymous with extreme performance and sporty design. This supercar is designed to deliver thrills, but its impressive engine comes at the cost of high fuel consumption.
- Characteristics: 3.9 V8 biturbo engine capable of generating up to 720 hp.
- Estimated consumption: Less than 10 km/l under intensive use conditions.
- Comment: It's an ideal choice for speed enthusiasts, although its low fuel efficiency makes it expensive to operate, especially in city traffic.
2. Mercedes-AMG G63
He Mercedes-AMG G63 It's a luxury SUV famous for its robustness and iconic design. Its powerful engine and sophisticated components make this vehicle a striking choice, but also one of the least fuel-efficient.
- Characteristics: Twin-turbo V8 engine that combines power with an impressive exterior design.
- Estimated consumption: Approximately 5.7 km/l on average, with variations depending on terrain and driving style.
- Comment: The G63 is a vehicle that reflects luxury and capability, but its high fuel consumption can be a deciding factor for those looking for a more economical option in the long run.
1. Ferrari Purosangue
Topping the ranking, the Ferrari Purosangue It is positioned as the car with the highest fuel consumption. This luxury model, powered by a powerful V12 engine, offers an unparalleled driving experience, but at the cost of extremely low fuel efficiency.
- Characteristics: V12 engine that generates exceptional power and impressive performance on the road.
- Estimated consumption: Between 4.1 and 5.6 km/l, depending on the type of driving.
- Comment: The Purosangue is the epitome of luxury and performance, but its high fuel consumption makes it a viable option only for those willing to accept high operating costs and a significant environmental impact.
Considerations When Evaluating High-Consumption Cars
Before deciding on one of these models, it is crucial to consider several aspects:
- Operating Costs:
A fuel-efficient vehicle will mean higher gas costs, which can seriously impact your budget in the long run. - Environmental Impact:
Fuel-efficient cars generate more CO₂ emissions, which contributes to climate change. It's important to consider whether the vehicle's performance justifies this environmental impact. - More Efficient Alternatives:
Evaluate options that offer a balance of performance, luxury, and efficiency. Today, the market offers models that, while powerful, have significantly improved fuel economy.
Fuel Consumption Monitoring Tool
If you already own a car or are considering purchasing one, keeping track of fuel consumption is essential. A recommended app is Fuelio:
- Functionality:
Fuelio allows you to record each fueling, calculate average fuel consumption, and generate detailed reports on your vehicle's performance. - Benefits:
With Fuelio, you can identify fuel consumption patterns, adjust your driving style, and optimize your fuel costs. It's a useful tool for maintaining control and improving the efficiency of any vehicle. - Compatibility:
Available for Android and iOS devices, Fuelio integrates seamlessly with your smartphone, providing automatic updates and accurate data to help you make informed decisions.

Final Reflections
Choosing a fuel-efficient car can be tempting for its performance and luxury, but it's crucial to weigh these benefits against operating costs and environmental impact. The vehicles featured in this TOP 5 stand out for their performance and design, but they also demonstrate that fuel efficiency is an aspect that shouldn't be overlooked.
Before making a purchasing decision, evaluate whether the car fits your needs and budget, considering both the purchase price and long-term maintenance and fuel costs. Explore alternatives that offer a better balance of power and efficiency, and remember that a conscious choice can mean significant savings and a smaller environmental footprint.
If you already own one of these models or are in the process of purchasing a new vehicle, we recommend using tools such as Fuelio to monitor and optimize fuel consumption. Controlling your expenses and improving driving efficiency not only benefits your finances but also contributes to environmental sustainability.
In conclusion, although fuel-efficient cars offer an unparalleled driving experience, it's vital to consider all factors before investing. A combination of careful analysis and the use of fuel-monitoring apps will allow you to make more informed and responsible decisions.
Evaluate your options carefully, take advantage of the tools available, and take control of your investment! With Fuelio and proper management, you can optimize your vehicle's performance and significantly reduce fuel costs, thus contributing to a more sustainable and economical future.
Download the app here

