'Top Tier' Gas Is Better for Your Car, and Might Be Among the Cheapest Options Near You Some automakers and experts say it's okay to stray from higher quality Top Tier gas to save money for a time.

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

“This means that there are likely a number of gasoline retailers selling fuel that qualifies for Top Tier certification, but have chosen not to license the rights to say so,” Consumer Guide ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...

“This means that there are likely a number of gasoline retailers selling fuel that qualifies for Top Tier certification, but have chosen not to license the rights to say so,” Consumer Guide ...

“This means that there are likely a number of gasoline retailers selling fuel that qualifies for Top Tier certification, but have chosen not to license the rights to say so,” Consumer Guide ...

Each gas station brand uses a unique blend of additives to make their gas different from other brands. The additives affect gas quality and your gas mileage. Skip Navigation ...