
The Land Cruiser is best suited for 95-octane gasoline, as this allows the engine to perform better and extends its service life. However, in special circumstances, 92-octane gasoline can also be used. Determining factors for gasoline selection in cars: The grade of gasoline a car should use depends on the engine's compression ratio. Generally, engines with a compression ratio above 10 should use 95-octane gasoline, those with a compression ratio between 9-10 can use either 92 or 95-octane gasoline, and those with a compression ratio below 9 can use 92-octane gasoline. Definition of gasoline octane ratings: Gasoline octane ratings represent the ratio of the actual gasoline's anti-knock properties to those of standard gasoline. The higher the octane rating, the stronger the anti-knock performance. Standard gasoline is composed of isooctane and n-heptane. Higher octane ratings are not necessarily better; the appropriate gasoline grade should be selected based on the engine's compression ratio.

I've been driving a Land Cruiser for several years, and based on my experience, it's usually best to use 95-octane gasoline. This model has a high engine compression ratio, and using 95-octane fuel makes it run smoother, reducing noise and the risk of knocking. The new car manual recommends using 95-octane fuel—never use 92-octane, as it could damage the engine or reduce performance. During long trips, I've tried different octane levels, and 95-octane fuel is noticeably more durable, especially in mountainous areas or hot weather, thanks to its better heat resistance. It's important to develop the habit of regularly checking fuel quality to ensure you're always using the right type.

Those familiar with automotive technology know that the Land Cruiser generally recommends 95-octane gasoline. The octane rating of gasoline affects its anti-knock performance, and 95-octane offers a moderate level that matches the engine design, preventing wear caused by knocking. Using lower-octane fuel like 92 may lead to incomplete combustion, increased carbon deposits, or starting difficulties. It's advisable to check the vehicle's user manual each time you refuel, as recommendations may vary slightly by model year, but 95-octane is the safe minimum. If budget allows, filling up with 98-octane won't hurt, though it's not strictly necessary.

From a cost-saving perspective, I always fill my Land Cruiser with 95-octane gasoline. Although it's slightly more expensive than 92-octane, it protects the engine in the long run and reduces repair costs. Using lower-octane fuel may cause issues such as stalling or reduced fuel efficiency, which could end up costing more. Remember that fuel grade selection is particularly important in cold regions, as 95-octane maintains better low-temperature stability. During regular maintenance, remind them to check the fuel system to prevent minor issues from becoming major problems.


