2020 Ram 1500, currently at 10K miles. Tires are OE Goodyear Fortitude HT, 275/65-18. Wheels are OE.
For the first 4K miles there was no vibration at any speed, even up to 95 mph.
Starting at 5K, I noticed a light vibration when cruising at speeds above 80 mph.
At 6K, I performed Costco to...