
Kia K3 uses 92-octane gasoline. Gasoline is a volatile and flammable hydrocarbon mixture liquid distilled or cracked from petroleum. At room temperature, it appears as a colorless to light yellow mobile liquid that is difficult to dissolve in water and highly flammable. The Kia K3 is a compact car with body dimensions of 4660mm in length, 1780mm in width, and 1450mm in height, with a wheelbase of 2700mm and a fuel tank capacity of 53 liters. The Kia K3 features a MacPherson strut front suspension and a torsion beam rear suspension. It is equipped with a 1.4T turbocharged engine that delivers a maximum torque of 211 Nm and a maximum power of 96 kW, paired with a 7-speed dual-clutch transmission.

I've been driving a Kia K3 since last year and always use 92-octane gasoline. The manual clearly states that 92-octane or higher is recommended, and there's no need to go for expensive 95-octane fuel. After using it for over half a year, the car runs smoothly and is fuel-efficient, with city fuel consumption around 6 liters per 100 km. Friends often say that higher-octane fuel can improve performance, but I tried it once or twice and didn't notice any significant speed boost—just extra cost. The engine's design has a low compression ratio, so 92-octane is just right. Don’t try to save money by using lower-octane fuel, as it can cause knocking during acceleration and damage the engine. I drive about 100 km weekly for my commute and stick to 92-octane; during maintenance, carbon buildup is minimal. In short, new drivers shouldn’t overcomplicate things—just follow the manufacturer’s recommendations.

As a guy who has driven several cars, my advice for the Kia K3 is to use 92 octane fuel. The engine's compression ratio is about 10:1, which matches well with 92 octane gasoline. The octane rating helps prevent air-fuel ratio imbalance. Some mistakenly think higher octane is better, but 95 octane is just a waste of money and doesn't actually improve the K3's performance. I've seen buddies use 90 octane, resulting in black smoke from the engine and sluggish acceleration. Always refuel at reputable stations to ensure clean fuel quality—don't cut corners for cheap gas at shady spots. Long-term use of the wrong fuel can cause piston ring wear, leading to hefty repair bills. From a safety standpoint, 92 octane is the minimum. If you're on a highway trip and can't find 92, using 98 octane occasionally is fine, but don't make it a habit.

I drive my Kia K3 every day, and using 92-octane gasoline is the most cost-effective. It's cheaper and practical, perfect for daily commuting, saving a few cents per liter compared to 95-octane. The driving experience is smooth with good fuel efficiency. The manufacturer recommends 92-octane, so don't be fooled into using higher octane—it's just a waste of money. If you use lower-octane fuel, the car may shake, affecting safety. I've been driving like this for over half a year, and the engine has never had any issues.


