Driving my truck in 4th gear verses drive mode

I am new here and I own a Tacoma 2013 with 34,000 miles. I bought it new.a v-6 4x4....anyway, I need some humility cause a might have screwed up but, I hope not. I have been driving my truck in 4th gear for 3 years up until a month ago.....call me ignorant. But I'm not. I just wasn't aware that I put it in 4th gear instead of drive. I take care of this truck like its my kid. I use non ethanol gas. I did the 30,000 mile check up at dealership. I have everything done for maintenance that's possible. It still looks new.....and it drives like its brand new.... I drive in drive mode now. Just never realized it was in 4th gear and never really drove fast on highway. The difference is I stay at 2 rpm now rather than 3 rpm on meter..and of course, it drives faster on highway with not using more gas etc......have I done any damage without realizing it? I hope not.....what's your thoughts at Tacoma world? I love this truck man.....there's no better than a Tacoma 4x4 ....Mike wilson

 

Its totally fine

Welcome to TW

 

I drive in 4th all the time and only use overdrive when at freeway speeds generally

 

Truck is completely fine. Welcome!

 

You're good. The worst thing that happened is you used more gas than you had to

 

Thanks for the responses.....glad to hear my trucks all right....

 

I did the same thing in my girlfriend's Corolla on a 5 hour trip from LA to Sacramento...drove halfway there in 4th gear lol. She made me buy all the gas.

 

Welcome to the club!Your good!