In most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit. It won’t make your car perform better, go faster, get better mileage or run cleaner. Listen up to get the low down on high octane gas. To hear this audio briefing you'll need to have a Real Audio Player on your
computer. Most computers already do, so all you need to do is turn up your speakers. However, if you need Real Player you may download it now by clicking here.