Okay, okay, when wild claims unsupportable by science, logic, physics, or even common sense are made, I get my dander up and have to rain on the parade. Terrorist it is.

 

I better watch out! J/K.

Updates:
21.5 mpg. Past the break-in period. I am above 700 miles. Would you recommend an oil change? Is it killing my tranny if I rev up to 5500 on second gear? I have done it once today and I do not plan on doing often. I understand it is not a high performance vehicle.

 

• Would you recommend an oil change? No, many (most?) cars these days come from the factory with oil which is enhanced with some special break-in goodies. This oil is designed to stay in the the engine (in the case of your Mazda) for the full 7,500 miles.
• Is it killing my tranny if I rev up to 5500 on second gear? No, your transmission is designed to be able to run up well past your engine's red-line.

 

Would it hurt the engine?

 

To quote from the Owner's Manual of my Mazda3:

No special break-in is necessary, but a few precautions in the first 1,000 km (600 miles) may add to the performance, economy, and life of your Mazda.

• Do not race the engine.
• Do not maintain one constant speed, either slow or fast, for a long period of time.
• Do not drive constantly at full-throttle or high engine rpm for extended periods of time.
• Avoid unnecessary hard stops.
• Avoid full-throttle starts.

Long story short, it is highly unlikely you did any damage.

 

Thanks for reassuring the owner's manual advice. It is time to have fun.

Off topic,

I plan on tinting my car. What I read so far is Llumar and Formula One seems to be the best brand. They are both really pricey. My brother-in-law said he has a buddy whose friend does window tinting and can tint for a lower price than most other tint shops but he only uses 3M brand. I also read it is a favorite as well. What are your thoughts on the tint brand?

 

Can't offer any advice on tint; we don't need no stinkin' tint here in New Hampshire.

 

What are your mpgs? I'm stuck on 21.6..... Driving during traffic hours and most of the time in the freeway.

 

im maintaining 27.7mpg carrying around me, a transmission in the trunk along with a bunch of other stuff in my poorly maintained 06 w/autocrap trans. i know mazda (and others) fudges mpg and power output, or maybe it could be your driving?

 

My 2.0 liter 2009 Mazda3 i Touring 5-Speed typically slots in within a mile per gallon of thirty in mixed driving, thirty-six to thirty-seven on the highway, and close to forty when I'm taking it real easy on the highway.