Honestly, I did it more for responsiveness since the non-hybrid didn’t feel as good as the hybrid to me. Fuel economy-wise, I can’t say for sure yet since there’s supposed to be a 500-mile adjustment period. From what I’ve seen, most people lose about 1–2 mpg. Mine was already pretty bad though...
If you're on the fence about getting a tune, here's a non-car guy's perspective. I just had Ryan at Colorado Toyota Tuning put the Enhanced tune on my 2025 4Runner and the difference behind the wheel is noticeable immediately. Throttle response is much more linear, shifting is smoother, and the...