XT6 20 (3.6L, VIN S, 8th digit, opt LGX), w/o heavy duty cooling. XT6 21-22 3.6L (VIN S, 8th digit, opt LGX), w/o heavy duty cooling. XT6 23 3.6L, w/o hands free self driving; w/o heavy duty cooling. XT6 24-25 3.6L (VIN S, 8th digit, opt LGX), w/o hands free self driving; w/o heavy duty cooling.
