The difference between 87- and 89-octane is subtle. Midgrade gas came around at a time when it was needed, but it has since ...

Higher octane fuel resists engine knock under compression — it is not a cleaner or more powerful fuel for all vehicles. Modern knock sensors in post-2000 engines automatically compensate for ...

A lot of people treat premium gasoline like it's a little treat for their car, the automotive equivalent of replacing the usual vegetable oil with some nice, healthier olive oil for your cooking. As ...

We all want the best for our cars, but recent fuel price hikes have forced many motorists to reconsider whether paying extra for premium gas is really worth it. Surely if the pump nozzle says "premium ...

You might drive a car that technically requires premium gasoline. But with gas prices climbing, you may be wondering if it’s really necessary to pay extra at the pump. Some vehicles require premium ...

Luxury SUVs that don't require premium gas include the 2026 Audi Q3, 2026 Lexus UX300h, 2026 Lincoln Corsair, 2026 Buick ...