The most common and most likely answer to this crossword clue is the 10 letter word TWO-SEATER
I've seen this crossword clue in The Times
T
W
O
-
S
E
A
T
E
R
More clues leading to the result TWO-SEATER
- We're toast having rolled vehicle
- Once on the outside, we start to work in tandem?
- Wrote off about MP’s constituency transport
- Time to sow a tree, working in tandem?
- Company car?
- At least four edible fruit unfit for family
- It can’t hold 3, or 2s before 3
- Wrote inaccurately about Spanish firm’s coupe
- Say pears and apple in tandem?
- Car for couples?
Buddy explains!

The straight part
We know that "tandem" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tandem = two-seater.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 TWO-SEATER mean?
TWO-SEATER noun- A vehicle with seats for two people (a driver or pilot and one passenger)