The most common and most likely answer to this crossword clue is the 3 plus 4 letter word TOP GEAR
T
O
P
G
E
A
R
More clues leading to the result TOP GEAR
- Maybe fifth bowler might be thus described?
- Perhaps fourth best outfit?
- Principal girl’s initial attention engaged by speedy drivers?
- Jacket, etc, that motorist's in most often?
- Finest clothes motorists get into eventually?
- Good hearing goes after Beethoven’s fourth opus — or fifth?
- Show best speed, perhaps?
- For Rattle, great musical work included – probably the Fifth
- Place from which to get good speed and better drugs
- Show trophy round and try to get attention
Buddy explains!

The straight part
We know that "the last used in an estate?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the last used in an estate? = top gear.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.