World's Fastest Car: How Fast Can It Go and What Fuel Does It Use?
Speed has always fascinated car enthusiasts. Every year, automobile manufacturers compete to build faster, more powerful, and more technologically advanced vehicles. But one question continues to capture everyone's attention: What is the world's fastest car, and what kind of fuel powers it?
The answer depends on whether you're talking about production road cars or land speed record vehicles. While production hypercars are designed for public roads, land speed record vehicles are purpose-built machines created solely to achieve maximum speed.
What Is the World's Fastest Production Car?
Among production cars, the Bugatti Chiron Super Sport 300+ is one of the fastest vehicles ever built.
Key Specifications
Top Speed: 490.48 km/h (304.77 mph) during a controlled test.
Engine: 8.0-litre Quad-Turbo W16.
Power Output: Around 1,600 horsepower.
Fuel Type: Premium High-Octane Petrol.
This hypercar combines an aerodynamic design with an extremely powerful engine, allowing it to cross the 300 mph barrier.
Other Cars Competing for the Speed Crown
Koenigsegg Jesko Absolut
The Koenigsegg Jesko Absolut has been engineered to exceed 500 km/h, although an official top-speed record has not yet been completed.
Specifications
5.0-litre Twin-Turbo V8 engine
Around 1,600 horsepower on E85 fuel
Runs on Premium Petrol and E85 Ethanol Blend
SSC Tuatara
The SSC Tuatara is another American hypercar built for extreme speed.
Specifications
5.9-litre Twin-Turbo V8
More than 1,700 horsepower on E85 fuel
Uses Premium Petrol or E85 Ethanol Blend
Which Fuel Do the World's Fastest Cars Use?
Most record-breaking production cars still rely on high-octane premium petrol because it provides the performance needed for extremely powerful engines.
Some modern hypercars are also designed to run on E85, a fuel containing approximately 85% ethanol and 15% petrol. E85 offers a higher octane rating, allowing engines to generate more power when properly tuned.
Why Not Diesel?
Diesel engines are known for excellent fuel efficiency and strong low-speed torque, but they are heavier and generally operate at lower engine speeds (RPM). For this reason, diesel is rarely used in the world's fastest sports cars or hypercars.
What About Electric Cars?
Electric hypercars deliver incredible acceleration thanks to instant torque. Some can accelerate from 0 to 100 km/h in less than two seconds.
However, maintaining extremely high top speeds for long periods remains challenging because of battery weight, heat management, and energy consumption.
The Fastest Vehicle on Wheels
If we include all wheeled vehicles—not just road cars—the fastest machine ever built is the ThrustSSC.
ThrustSSC Facts
Top Speed: 1,227.985 km/h (763 mph)
Power Source: Two Rolls-Royce Spey jet engines
Fuel Type: Aviation Jet Fuel
Unlike ordinary cars, the ThrustSSC does not use a petrol or diesel engine. It is powered by jet engines similar to those used in military aircraft and remains the only wheeled vehicle to officially break the speed of sound.
What Makes a Car Extremely Fast?
Several engineering factors determine a car's maximum speed:
High-horsepower engine
Advanced aerodynamics
Lightweight construction
Efficient cooling systems
High-performance transmission
Specially designed tyres
Electronic stability and traction systems
Without all these components working together, even the most powerful engine cannot achieve record-breaking speeds.
Will Electric Cars Become the Fastest?
Many experts believe the future of speed belongs to electric technology. Improvements in battery technology, cooling systems, and electric motors may allow future electric hypercars to challenge or even surpass today's petrol-powered speed records.
Several manufacturers are already investing heavily in next-generation electric performance vehicles.
Final Verdict
The world's fastest production cars continue to rely primarily on high-octane premium petrol, while some models also support E85 ethanol fuel for even greater performance. Meanwhile, the fastest wheeled vehicle ever built—the ThrustSSC—uses powerful jet engines fueled by aviation jet fuel.
As automotive technology continues to evolve, the competition between petrol-powered, ethanol-powered, and electric hypercars is expected to become even more exciting in the years ahead.