A transmission arrangement for a vehicle, the transmission arrangement comprising a first, a second, a third, and a fourth planetary gear set comprising a sun gear, a planet carrier and a ring gear, respectively, wherein said transmission arrangement further comprises a transmission housing, an input shaft and an output shaft, wherein - the ring gear of the first planetary gear set and the input shaft are operatively connected to each other; - the sun gear of the first planetary gear set and the sun gear of the second planetary gear set are operatively connected to each other; - the planet carrier of the second planetary gear set and the ring gear of the third planetary gear set are operatively connected to each other; - the sun gear of the third planetary gear set and the sun gear of the fourth planetary gear set are operatively connected to each other; and - the planet carrier of the fourth planetary gear set and the output shaft are operatively connected to each other, - the planet carrier of the third planetary gear set is operatively connected to the transmission housing, wherein the transmission arrangement further comprises: - a first connecting mechanism for selectively connecting the ring gear of the second planetary gear set to the ring gear of the first planetary gear set and to the input shaft; - a second connecting mechanism for selectively connecting the planet carrier of the first planetary gear set to the output shaft and to the planet carrier of the fourth planetary gear set; - a third connecting mechanism for selectively connecting the ring gear of the fourth planetary gear set to the sun gear of the first planetary gear set and to the sun gear of the second planetary gear set; - a fourth connecting mechanism for selectively connecting the planet carrier of the first planetary gear set to the ring gear of the fourth planetary gear set; - a first locking mechanism for selectively locking the ring gear of the fourth planetary gear set to the transmission housing; - a second locking mechanism for selectively locking the sun gear of the third planetary gear set and the sun gear of the fourth planetary gear set to the transmission housing; and - a third locking mechanism for selectively locking the ring gear of the second planetary gear set to the transmission housing, wherein the stationary gear ratio of each one of the first, second, third and fourth planetary gear sets are negative. - the ring gear of the first planetary gear set and the input shaft are operatively connected to each other; - the sun gear of the first planetary gear set and the sun gear of the second planetary gear set are operatively connected to each other; - the planet carrier of the second planetary gear set and the ring gear of the third planetary gear set are operatively connected to each other; - the sun gear of the third planetary gear set and the sun gear of the fourth planetary gear set are operatively connected to each other; and - the planet carrier of the fourth planetary gear set and the output shaft are operatively connected to each other, - the planet carrier of the third planetary gear set is operatively connected to the transmission housing, wherein the transmission arrangement further comprises: - a first connecting mechanism for selectively connecting the ring gear of the second planetary gear set to the ring gear of the first planetary gear set and to the input shaft; - a second connecting mechanism for selectively connecting the planet carrier of the first planetary gear set to the output shaft and to the planet carrier of the fourth planetary gear set; - a third connecting mechanism for selectively connecting the ring gear of the fourth planetary gear set to the sun gear of the first planetary gear set and to the sun gear of the second planetary gear set; - a fourth connecting mechanism for selectively connecting the planet carrier of the first planetary gear set to the ring gear of the fourth planetary gear set; - a first locking mechanism for selectively locking the ring gear of the fourth planetary gear set to the transmission housing; - a second locking mechanism for selectively locking the sun gear of the third planetary gear set and the sun gear of the fourth planetary gear set to the transmission housing; and - a third locking mechanism for selectively locking the ring gear of the second planetary gear set to the transmission housing, wherein the stationary gear ratio of each one of the first, second, third and fourth planetary gear sets are negative.