Hello Bob.....wife & I are owners of a 29.3 which we love. We also have a Lab. We have put app. 5000miles with no problems that I couldnt fix. We avg. Between 8.5 / 9.0 mpg. On interstate I usually set cruise on about 62mph.. Im not planning on Ford doing my service. It easy to change oil & filters. We are perfectly happy with our ACE.