Is high-quality gas worth the additional cost?Ī recent study was done where an engine ran continuously for 1000 hours, which is roughly equivalent to 4,000 miles. So far, 52 retail brands meet the Top Tier standard, meaning there’s likely one near you. All gas is free from organometallic additives like Ferrocene or MMT.All gas grades include a Top Tier approved detergent additive.
All retail locations meet the standards of the Top Tier program.Here is what you can expect with a Top Tier gas: If a station is branded as being Superior Quality, it means their gas has met a certain performance standard.
