The most common and most likely answer to this crossword clue is the 8 letter word CARRIAGE
I've seen this crossword clue in The Daily Telegraph
C
A
R
R
I
A
G
E
More clues leading to the result CARRIAGE
- One engaged in motor madness in coach
- Rig a race corruptly for coach?
- Part of train bearing Victoria or Gladstone, say
- Conduct beginning of civil wedding, though Mark’s gone missing
- Coach bearing fly trap
- Surrey air?
- Airs and graces singularly affected demeanour
- Transport for Conservative replacing miners’ leader in union
- Transport union’s head replaced by Conservative, briefly
- Coach one gripped by motor madness
Buddy explains!

The straight part
We know that "Vehicle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vehicle = carriage.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 CARRIAGE mean?
CARRIAGE noun- The act of conveying; carrying.
- Means of conveyance.
- A wheeled vehicle, generally drawn by horse power.
- A rail car, especially one designed for the conveyance of passengers.
- A manner of walking and moving in general; how one carries oneself, bearing, gait.
- One's behaviour, or way of conducting oneself towards others.
- The part of a typewriter supporting the paper.
- A shopping cart.
- A stroller; a baby carriage.
- The charge made for conveying (especially in the phrases carriage forward, when the charge is to be paid by the receiver, and carriage paid).
- That which is carried, baggage