Hello there, Trek Marlin 5 2019 and 2021 has few differences. The front suspension travel of the 2019 model is 100mm, whereas, the 2021 model has 80mm front travel. The 2021 model weighs 14.4 kg whereas the 2019 model weighs 14.6 kg. Also, the paint scheme is different on both models. As for the price, kindly connect with our dealers as they can provide further details.