
The Mondeo can use 98 octane gasoline, but it is unnecessary. Using 98 octane gasoline does not provide better performance or extra protection for the engine, and it also increases the cost of vehicle operation. The minimum fuel grade for the Mondeo is 92 octane. It is important to note that the engine should not be mixed with different gasoline grades for extended periods, as the compression ratio of the engine varies, requiring different gasoline grades. The Mondeo is a model under Ford Motor Company, with body dimensions of 4873mm in length, 1852mm in width, and 1470mm in height, and a wheelbase of 2850mm. In terms of exterior design, the Mondeo has been redesigned in the grille, front fog lights, and wheel rims. The grille has been changed to a mesh pattern, and chrome trim has been added to the taillights to enhance the sense of quality and sportiness, while the rest of the design remains largely unchanged.

I usually help friends with car-related matters. For the Mondeo, using 98-octane fuel is completely safe. The manual recommends 95-octane gasoline, but 98-octane has a higher octane rating and better anti-knock performance, which is harmless to the engine. However, under normal driving conditions, upgrading isn't necessary—it's a waste of money with no noticeable improvement, unless your car is a high-performance turbo version or you frequently drive on mountain roads. I always remind everyone to check the owner's manual to confirm the recommended octane rating; sticking to that is the safest bet. Additionally, gasoline choice should also consider daily driving habits. For city commuting, 95-octane is sufficient. Don't overlook basic maintenance like regular oil changes—long-term maintenance is more important than fuel octane ratings, saving both money and hassle in the long run.

Having driven for over a decade, my Mondeo has always used 95-octane fuel. I've tried 98-octane a few times and noticed slightly quicker throttle response, but the significantly higher price isn't worth it - an extra hundred bucks monthly isn't cost-effective. Unless you're chasing ultimate driving feel, it's not worth the hassle. The manual states 95-octane is optimal for standard engines, with higher grades offering no real advantage. Always consult your manual rather than guessing - the money saved could buy better wiper blades or car wax. Remember to occasionally check the fuel pump filter to prevent contaminants, avoiding unnecessary repair costs.

New car owner experience: There's no problem with adding 98 octane to the Mondeo, but checking the user manual shows 95 octane is recommended. Higher octane fuel is much more expensive, and 95 octane is sufficient for daily driving—no need to spend extra. Develop good habits by following the manufacturer's fueling recommendations for peace of mind and ease.


