Vehicle Questions and Answers
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Volvo suggests that you opt for gasoline having an octane level of 91 or more. Though the car can run on 87, using it may lead to misfires. Avoid putting E85 or diesel fuel in your car as it can damage the fuel system and engine. Volvo advises the use of premium fuel as it burns more efficiently in the engine, promoting a cleaner burn and reducing carbon buildup on the pistons and valves. Additionally, there are top-tier fuels available on the market containing detergents that break down sludge, thus aiding in maintaining a cleaner engine for an extended period.
In 2018, Volvo XC90 vehicles like the T5 R-Design and T6 Momentum trims need to use premium unleaded fuel, not regular unleaded. The same goes for hybrid models like the T8 Inscription and T8 R-Design - premium unleaded gasoline is the preferred fuel option for these vehicles.