The most common and most likely answer to this crossword clue is the 5 letter word JEEPS
J
E
E
P
S
Buddy explains!
The straight part
We know that "off-road vehicles" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case off-road vehicles = jeeps.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does JEEPS mean?
JEEPS noun- A small, blocky, military-style vehicle with four-wheel drive, suited to rough terrain.
- A light utility truck from WWII used by the U.S. Army, and subsequently turned into the trademark Jeep when civilianized by originating manufacturer Willys-Overland.
- (genericized trademark) A sport utility vehicle or similar four-wheel-drive vehicle.
- (corrosion) A device for detecting discontinuity in a protective coating, also called a "holiday detector"
- A covered shopping cart, also called a "shopping stroller".