AITA for not letting my teenager take the car I purchased to the other house during dad’s custody time?

In the tangled web of co-parenting, one mother’s quiet determination shines through the frustration and silence of her ex-husband. Despite their shared love for their son, the struggle over something as simple as a car becomes a battlefield where fairness, responsibility, and the weight of blended families collide.

Caught in the crossfire is a teenage boy, torn between two homes and two parents who can’t find common ground. His mother’s decision to take matters into her own hands sparks anger and accusations, revealing the raw emotional undercurrents that run beneath the surface of their fractured family dynamic.

AITA for not letting my teenager take the car I purchased to the other house during dad’s custody time?

I have 50/50 custody of my son (m16), he stays at both houses for a week at a time.

Over a year ago, I started conversations with my ex- husband to figure out how we were going to purchase a car for our son to use. Both households are making good money but there are 9 total kids after us both getting remarried.

My ex was not responsive. Basically ignored me bc he said “if I buy our son a car then I have to buy the step kids cars too”.

So after months of waiting I decided just to buy my son a car. I own it outright. I gave his dad the opportunity to buy in by paying me half the vehicles value interest free over 60 months.

That totaled $109 a month for 5 years.

I required him to sign a contract that detailed the payments and that the kid would own the car once it was paid off. My ex balked at that and said he wasn’t paying anything.

So, the car is staying at my house during the 15 days a month my son is at his dad’s.

My son is mad at me because I’m “being petty”.

Here’s how people reacted:

JustRenee2

My ex got full custody of my son, I got every other weekend. (BS, but that is another issue) when he turned 16 I bought him a used car so that he could come visit at his discretion as his father was SUPER controlling and managed to mess up most visits. 100% his, titled in his name. He has to insure it, taxes, maintenance etc. Only thing I asked was for his father to not drive it.

My son never visited again. They immediately re-titled it in his father’s name. The first time I saw the car again was Thanksgiving at my brother’s house. Ex-husband had dropped him and his brother off at the end of the driveway and was driving the car back and forth in front of the house while we had Thanksgiving dinner, ironically the table was placed at the front window and we got to watch his “show” the entire meal!

Regrets? Nope! I can’t control his father, nor what his father puts my children up to. I did my best! Glad that I could help my son, even if it benefits his father. Also glad that the car wasn’t in my name!! Always take the high road!

Ok_Strawberry_197

NTA. Your husband didn’t want to buy a car because then “he’d have to buy a car for the stepchildren” which tells me that he might have a hard time saying no to either stepkids or wife or both. So, not only are you no there to sort of monitor the choices your son is making with his car (when he’s going out and who with), which matters to you because the car is not paid for and I’m assuming you also have him on your insurance. You don’t know if Dad will be driving it, or step mom, or step siblings. Sending it with him you are leaving him in the position of having to decide what you would be comfortable with in terms of car use and then sticking with it. It’s a lot for a kid. And there is legal liability if he is doing anything reckless. You paid for and furnished the car so legally it could all be on you if something goes badly.
slackerchic

ESH except for your son. Your son has to suffer the consequences of sacrificing for his step-siblings and he has to suffer the consequences of pettiness between you and the ex, at the very least. This all or nothing deal you proposed WAS quite outrageous. You’re essentially tying your ex to you in a financial manner to the tune of $109 EVERY MONTH for the next FIVE YEARS. Do you really think your ex wants to owe you money every month for five more years when there is clearly already animosity between you two? Your ex would probably rather make a whole car from scratch using only a 3d model printer and spare parts from a junk store than listen to you remind him of his dues every month. And honestly, who could blame him?
Tribal_Hyena

I think you are being petty.

I hate the idea of step children if you accept them they are yours and so he has a point if he got it for one the others would expect the same and if this is something he is unwilling to do he made the right choice. YOU asked him to go in with you and he said no. YOU still chose to buy the car knowing he said no then for some reason expected him to still pay, a 16 year old is not guaranteed a car bought by his parents. YOU made that choice for your son and that’s nice of you to do but it was your choice.

Now that you YOU made that decision you are deciding to A. punish your son by restricting access B. punish your ex by making him seem like a bad guy or C. Both

the_power_of_a_prune

No you are NTA…. you bought it, it stays with you, it is essentially your car. Your son calling you petty just wants to guilt you and make you feel bad, those kids try very hard to wear us down, hoping we will give in. Everyone will want to use the car there and not take responsibility if something happens, and maybe not even care about the car.

I would explain to your son because of the current situation and the ex not putting money into it and being a jerk about it, let it be a learning curve for him on the realities of our decisions and choices, if anything he should be on his dad’s case for not helping.

Your car…your decision

Rye_One_

In a shared custody arrangement, it is not the responsibility of one parent to supply anything during their non-custodial time. Since the mother owns the car outright, it is hers and belongs at her house. If dad had paid for half, perhaps the car would have been in the son’s name it would be his and would belong where he was staying.

The child is 16 years old. If he wants a car full time, he can choose to live in the house that provides one.

NTA

Vegicide

YTA. If it’s actually your son‘s car like you claim it is, why are you restricting his access to it?
Your child using their car should have nothing to do with your ex spouse at all. And like it or not, your child has two homes and should have access to their vehicle at both. These actions, while demonstrating spite towards your ex actually do nothing to harm them, instead only causing issues for your son.
elsie78

YTA. Focus on your teen, not your anger at the ex.

Did you purchase a car for your son, or purchase a car that you let your son drive once in awhile? Two different things. If it’s his car, let him take it. If his dad ends up turning him into a taxi AND he doesn’t like it, then take the heat for your son being the bad guy saying no more. But give it a chance first

StructEngineer91

YTA, I don’t understand these N T A comments. You are punishing your SON for the behavior of his father. How is that fair? Tell your son (and even send a message to your ex) that if your ex or any of his step-kids are found to have driven the car THEN he won’t be allowed to have it at your ex’s house. Don’t preemptively punish your son for the wrong doings of his father.
AvoZozo

YTA and absolutely being petty. You chose to get your son a car for his own use. You’re attempting to render some sort of negative consequence against your ex for not contributing to the car? How is your ex being negatively impacted by this? Your son seems like the only one being punished despite having no involvement in the conflict between you and your ex.
bdayqueen

NTA – I’ll bet $50 that your ex would make your son take all the siblings (step or half) everywhere in the car. They will damage it and then your ex will leave you paying for the repairs. Tell your ex that the car can live at his house with your son when your ex pays half of the insurance.

Yes I agree it sucks for your son. But you’re protecting his car.

THedman07

>My son is mad at me because I’m “being petty” .

You are being petty. YTA. Why are you punishing your child because your ex is being a dick?

I honestly don’t see how you came to the conclusion that “my ex won’t pay for have of my child’s car so I’m not going to let the child use the car when he’s with his other parent” made literally any sense at all.

JJC02466

NTA – the car belongs to you. The only thought, depending on how much of a hardship it is for your kid to not have his own wheels at his dads. If it’s not a hardship, if he uses his dads car or something, and his objections are just on principle that you are petty, then no, you have every right to keep the car THAT YOU OWN at your house.
Street-Length9871

YTA – You chose to give your SON a car. And you are punishing your SON by not letting him take the car. You are being totally petty. And on top of just being petty, it sounds like you are trying to make you son not enjoy or like going to his Dad’s house. It is childish and immature on your part. Your son is correct.
CarrotofInsanity

Nope. Not petty.
Reminding him of these facts:

It’s not your son’s car yet.
It’s YOUR car.
You are responsible for your car.
He is graciously being given access to use YOUR CAR.
If he fights you on it, you will sell YOUR CAR and he will have zero car to drive.
Do NOT test you.

Kip_Schtum

Do you realize by being petty to your son you’re actually helping your ex-husband? Because if your son goes to that house with a car all of your ex-husband’s step kids are going to start asking for cars. So you’re actually helping your ex and being mean to your son. YTA.
Just_a_guy_1369

NTA, like you said it is your car that you allow your son to use. If his father would have contributed it would have been the son’s car, but the father did not. It sucks for your son, but he can experience what living with his father is like just like his step siblings
spaceylaceygirl

NTA- if you are concerned his dad will force him to allow the steps to drive his car, discuss it with him. I agree with you in that i think your son is trustworthy but i would not trust dad and his family at all. They can’t take the car if it isn’t ever there.
Still-Degree8376

INFO: are you concerned he would let the steps and other members of the family drive it? Who pays the insurance? What about maintenance?

It sounds like dad may demand he share the car and you would be liable.

Appropriate-Cook-852

YTA. You are punishing your son because your ex is a jerk. It’s either your son’s car or it isn’t. You are making your son’s life less convenient and probably having little to no impact on your ex.
Jesses_squirrel

This is your car. People saying it’s unfair to your son maybe don’t realize that you are making all the payments. Most kids his age don’t have cars, this is a luxury, he’s not owed a car.
TheJokersWild53

NTA – Explain that the car is a perk for the time he spends in your care. It is no different than you buying a TV for his room and not letting him take it to his father’s house.
futureretired

Ok….
Now tell everyone that you are the Father, and you don’t want to send the car to your ex wife’s house, and watch all of these comments magically change 180 degrees.
SaltyShaker2

YTA YTA YTA I cannot say that enough. Either you gave the car to your child or you didn’t. You just want be petty and punish your child by making a point with dad. GTFO.
murphy2345678

NTA. You can’t trust that his dad won’t drive it or give it to one of the other kids to dr I’ve. You would be held liable for any accidents any of them cause.
Alinaoana

While I understand your frustration with the ex, it seems to be hurting your son. You said you bought the car for him, why not let him use it? Gentle YTA
Upstairs-Blood4545

YTA. You are punishing your kid for the sins of your ex. That won’t end well for your relationship with him, or his relationships moving forward.
F-R-U21

Yes, it’s not your son fault the only one being penalised is him at the end of the day as I doubt it has any effect on the ex husband ..
mattsgirlca

Make decision of what’s best for your child and his mental health, not how to punish your ex or prove a point.
Big_Programmer_5943

YTA – Unless dad is going to use the car or damage it why are you punishing your son for his dad being cheap?

Conclusion

The original poster (OP) faced a deadlock with their ex-husband regarding the shared responsibility of purchasing a car for their teenage son. Unable to secure cooperation, the OP unilaterally purchased the car and then offered the ex-husband a structured, interest-free payment plan to share ownership. When the ex-husband refused to contribute financially and balked at a contract ensuring the son eventually owned the vehicle, the OP kept the car at their residence during the ex-husband’s custody time, leading to conflict with the son.

Was the OP justified in withholding the car from the ex-husband’s time to force financial participation in a shared asset intended for their son, or did this action unfairly punish the child and escalate parental conflict? The core question remains: does unilateral action to enforce perceived financial fairness override the practical need for shared resources during co-parenting transitions?

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