A leaning vehicle that is configured to lean leftward when turning to the left and to lean rightward when turning to the right, the leaning vehicle comprising: a vehicle body; a plurality of wheels (3, 4) including a front wheel and a rear wheel; a driving source configured to supply a driving force to at least one of the front wheel or the rear wheel; a vehicle body posture detector configured to detect a posture of the vehicle body; a gear-type multi-stage automatic transmission (12, 312) including a plurality of gear stages and a clutch (40, 340, 360) being capable of switching between a transfer state and a non-transfer state of the driving force from the driving source to the plurality of gear stages, the multi-stage automatic transmission (12, 312) being configured to change a driving force to be transferred from the driving source to at least one of the front wheel or the rear wheel by automatically changing the plurality of gear stages stepwise; and a gear-shift controller (7, 107, 207, 307) configured to control changing of the plurality of gear stages in the multi-stage automatic transmission (12, 312), the gear-shift controller (7, 107, 207, 307) being configured to switch the driving force to the non-transfer state in the multi-stage automatic transmission (12, 312) to put the leaning vehicle in a coasting state if a rotation speed of the driving source is smaller than a threshold, wherein the gear-shift controller (7, 107, 207, 307) is configured to inhibit a shift-down of the plurality of gear stages in the multi-stage automatic transmission (12, 312) if the vehicle body posture detector detects that the leaning vehicle is turning in a lean state and the leaning vehicle is coasting in the non-transfer state of the driving force in the multi-stage automatic transmission (12, 312), wherein the lean state is a state in which the leaning vehicle leans leftward or rightward about a rotation axis extending in the front-rear direction of the leaning vehicle as a center. a vehicle body; a plurality of wheels (3, 4) including a front wheel and a rear wheel; a driving source configured to supply a driving force to at least one of the front wheel or the rear wheel; a vehicle body posture detector configured to detect a posture of the vehicle body; a gear-type multi-stage automatic transmission (12, 312) including a plurality of gear stages and a clutch (40, 340, 360) being capable of switching between a transfer state and a non-transfer state of the driving force from the driving source to the plurality of gear stages, the multi-stage automatic transmission (12, 312) being configured to change a driving force to be transferred from the driving source to at least one of the front wheel or the rear wheel by automatically changing the plurality of gear stages stepwise; and a gear-shift controller (7, 107, 207, 307) configured to control changing of the plurality of gear stages in the multi-stage automatic transmission (12, 312), the gear-shift controller (7, 107, 207, 307) being configured to switch the driving force to the non-transfer state in the multi-stage automatic transmission (12, 312) to put the leaning vehicle in a coasting state if a rotation speed of the driving source is smaller than a threshold, wherein the gear-shift controller (7, 107, 207, 307) is configured to inhibit a shift-down of the plurality of gear stages in the multi-stage automatic transmission (12, 312) if the vehicle body posture detector detects that the leaning vehicle is turning in a lean state and the leaning vehicle is coasting in the non-transfer state of the driving force in the multi-stage automatic transmission (12, 312), wherein the lean state is a state in which the leaning vehicle leans leftward or rightward about a rotation axis extending in the front-rear direction of the leaning vehicle as a center.