Its not only about engine performance, there are other electronic stuff that coped really well in our weather. Overall, the M1 was way better and this was said by someone who I know in the army. I didn't ask him alot about details, he just said it that the M1 performed well especially the latest...
The army has it own testing grounds in The Empty quarter. There the temperature can be 60C or more in the summer which is the time when most weapons are tested
I guess you don't know what is the Empty Quarter desert. Its not like what you would find in India, it is way hotter than you would think. There the Leclerc, and Leopard faced a lot of problems especially with engines
From the right US Army Special Forces, Qatari Special Forces, Jordanian Special Forces
From the right, Qatari Special Forces, Jordanian Special Forces
Jordanian Special Forces