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Should the Mercedes-Benz G63 use 95 or 98 octane gasoline?

2 Answers

VanAmara

09/06/25 8:41am

Mercedes-Benz G63 is recommended to use 98 octane gasoline, because turbocharged cars using 98 octane gasoline can increase engine pressure, make the fuel burn more fully, and allow the vehicle's performance to be better utilized. The Mercedes-Benz G63 AMG is a model based on the latest 2013 facelifted Mercedes-Benz G-Class. Compared to the standard version, the Mercedes-Benz G63 AMG is equipped with a large front bumper, and the full body styling is extremely dynamic and domineering. In terms of power, the Mercedes-Benz G63 AMG is equipped with a 5.5L V8 twin-turbocharged engine, with a maximum power output of 544 horsepower and a maximum torque of 760 N·m. In terms of acceleration, the car can accelerate from 0-100km/h in 5.4 seconds, with a top speed of 210km/h. It perfectly balances power, comfort, and off-road performance. The higher the quality of the car, the better the engine performance, and the higher the corresponding octane rating of the fuel required. The main difference between different octane ratings lies in the different octane values they contain. 95 octane gasoline refers to gasoline with 95% isooctane and 5% n-heptane, while 98 octane gasoline refers to gasoline with 98% isooctane and 2% n-heptane. The higher the octane value, the better the anti-knock performance and the lower the fuel consumption.

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VanRylee

09/18/25 8:14am

I always insist on using 98-octane fuel for my Mercedes-Benz G63, even though it's more expensive, it's absolutely worth it. This AMG engine has a high compression ratio and requires high-octane gasoline to resist knocking. 98-octane gasoline ensures smoother engine operation and more linear power output. The fuel cap clearly recommends 98-octane, with 95-octane only for emergency use. Once, in a remote area, I had to use 95-octane and immediately noticed slower throttle response and increased engine noise. Long-term use of lower-octane fuel may lead to more carbon deposits or even piston damage, and the repair costs would cover several years of 98-octane fuel. A high-performance car deserves high-quality fuel—don't skimp on this and shortchange it.

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