+0

I can take you by my car.

I can take you by a car.

Could I take you by my car?

+2

The grammar is correct, but the sentences are not natural.

I can take you in my car.
I can drive you there.
Would you like a ride?

CJ

+2

Yes, but they don't mean what you think they do.

cpu apple 684I can take you by my car.

The car that the speaker owns is parked some distance away. The speaker is walking to a shop with a friend. Along the way, you and your friend will pass your car. Maybe the friend wants to see it.

If you want the person to get inside your car to go somewhere, you need "in"

I can take you in my car.

cpu apple 684I can take you by a car.

That has the same meaning, but now the parked car is not your car, but some arbitrary car.

cross-posted

Students: We have free audio pronunciation exercises.
+2

Here are some very natural things we commonly say.

I can drive you.

I can give you a ride.

I can take you in my car.

I can give you a lift.

Can / Could I . . .

Clive

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