Trucks/ SUVs I have owned:[all 4 wheel drive]

1967 Jeep Wagoneer 327 V-8 [not stock] 10 MPG
1981 F150 302 V-8 18 MPG
1991 F-150 302 V-8 18 MPG
1991 Chevy K2500 6.2 diesel 19 MPG
1998 GMC Sierra 2500 6.5 turbo diesel 18 MPG
1998 Jeep Grand Cherokee 5.2 V-8 15 MPG
2000 Cadillac Escalade 5.7 V-8 14 MPG

Since I came out of the closet and stopped pretending to be straight:

1998 Dakota 3.7 V-6 23 MPG
[2 wheel drive]