I bought my 2018 DCT Tour used, a little over a year ago. I have put on over 10,000 miles. I was skeptical of Honda's claim that mileage improvements would compensate for reduced fuel capacity. This past week, I rode with a good friend who has a 2016 GL1800. We rode at least five tank fill ups together. Our riding was a mixture of highway (75+ mph) and at times slower back roads (55+/- mph). In every case, he was taking at least a gallon more than me when we filled up. Based on his numbers compared to mine and the capacity of the tanks, we believe he would have run out before me. I suppose I need to get over my skepticism?