We need to wait for those to come round who REALLY know about these things (I don't), but my immediate response/impression is that, no, it misses that "Rule" of Thirds. Not so much the placement of the (inclined) horizon line, but more the line produced by the outward edge of the car. Tyre, wing mirror ... they are all almost dividing the photo in two halves. One half: car. Other half: background. Said background offers you three "planes": grass, corn (whichever kind), sky. That much is ok (only needs to be aligned). But there is too much car there to meet the requirements of the "Rule" of Thirds. And my eyes keep wandering to that discarded plastic bag/paper bag resting on the edge of the field there...
But hey. Let's still wait for those who REALLY know about it, shall we?