it depends on if it is two wheel drive or a four wheel drive, and within those, if it is a four or six cylinder -
2 wheel drive:
4 cylinder manual: 16city 21 highway
4 cylinder automatic: 18 city 22 highway
6 cylinder automatic: 16 city 19 highway
4 wheel drive:
4 cylinder manual: 15 city 19 highway
4 cylinder automatic: 16 city 19 highway
6 cylinder manual: 15 city 18 highway
6 cylinder automatic: 15 city 18 highway
so im going to say no, it is not possible to get 26mpg.. sorry!