The Engpsh pronunciation of "escort vehicle" is /ɪsˈkɔːrt vɪˈtɑːrl/. Note that the stress is on the first syllable of "escort" and the second syllable of "vehicle."

Here's how to pronounce each syllable:

/ɪs/: The "i" in "is" is pronounced as a short, unstressed vowel sound.
/ˈkɔːrt/: The "or" in "escort" is pronounced as a long vowel sound. The "t" is pronounced as a glottal stop, similar to the sound in the middle of the word "uh-oh."
/vɪ/: The "i" in "vehicle" is pronounced as a short, unstressed vowel sound.
/ˈtɑːrl/: The "ar" in "vehicle" is pronounced as a long vowel sound. The "l" is pronounced as a dark "l," similar to the sound at the end of the word "full."