Premium gas can give some cars a boost, hyping performance and making sure the engine runs smoothly. But not every car can ...

Premium gas has a higher octane rating than regular gas. An octane rating is a measurement of a gasoline’s ability to resist issues like engine-damaging knock and pinging, which can be brought on by ...

Cost is often the first thing that comes to mind when motorists think of gasoline. Many will drive halfway across town to ...

In my nearly four decades of car ownership, I have driven a staggering variety of vehicles, from vintage Jeep CJ5s and CJ7s and International Scouts to turbocharged late-model Volkswagens and BMWs.

Fuel comes in different grades based on octane level at gas stations. Only some performance engines require Premium fuel for the best power output, fuel efficiency, and engine function. Are you ...

The price gap between premium and regular grade gas has risen over the years, so with current gas prices is premium really worth it? The short answer is no, according to research from American ...

With premium gas costing drivers 65 cents more per gallon on average than regular gas as of Tuesday, drivers may be tempted to fill their tanks with regular fuel to save money. But is it a good idea?