¿Te da igual ir en coche o en tren?

Literally, te da igual is something like it gives the same to you.

In natural English, it means you don’t mind, it makes no difference to you, or you’re fine either way.

So the sentence is asking whether going by car or by train is the same for you.

Te is the indirect object pronoun, meaning to you.

• Me da igual = It makes no difference to me
• Te da igual = It makes no difference to you
• Le da igual = It makes no difference to him/her/you (formal)

Spanish uses this pronoun because the idea is framed as something that matters or does not matter to someone.

Because da igual is usually treated as an impersonal expression, or because the whole action ir en coche o en tren is being treated as one idea.

So Spanish uses singular:

• Te da igual ir en coche o en tren

Even though there are two options, the sentence is really about the choice as a whole, not about two separate things agreeing with the verb.

Because after da igual, Spanish often uses an infinitive to talk about an action in a general way.

So:

• Te da igual ir en coche o en tren = Does it make no difference to you to go by car or by train?

This is very common in Spanish:

• Me da igual comer ahora o luego
• Le da igual quedarse o salir

The infinitive works a bit like going, eating, staying, etc. in English.

In Spanish, en is normally used to talk about means of transport:

• en coche = by car
• en tren = by train
• en autobús = by bus
• en avión = by plane

So ir en coche means to go by car.

English uses by, but Spanish usually uses en in these cases.

Because when Spanish talks about transport in a general way, it usually does not use an article.

So you say:

• Voy en coche
• Vamos en tren

Not normally:

• Voy en el coche if you just mean by car

However, en el coche is possible when you mean in the car, referring to a specific car:

• Estoy en el coche = I’m in the car
• Voy en el coche de mi hermano = I’m going in my brother’s car

So:

• en coche = by car, as a mode of transport
• en el coche = in the car, a specific vehicle

Yes, coche is the normal word for car in Spain.

In much of Latin America, learners are more likely to hear:

• carro
• auto

So this sentence sounds very natural in Spain:

• ¿Te da igual ir en coche o en tren?

In other Spanish-speaking countries, the wording may vary, but the grammar of te da igual is the same.

Yes. Spanish word order is fairly flexible here.

For example, these are all possible:

• ¿Te da igual ir en coche o en tren?
• ¿Te da igual ir en tren o en coche?
• ¿Ir en coche o en tren te da igual?

The first one is the most natural and neutral.

Changing the order usually changes only the focus or rhythm, not the basic meaning.

They are very similar, but there are small differences in tone.

• Me da igual = I don’t mind / It makes no difference to me
• Me da lo mismo = It’s the same to me / I don’t mind
• No me importa = I don’t care / It doesn’t matter to me

Me da igual and me da lo mismo are often very close.

No me importa can sometimes sound a bit stronger, depending on tone, and in some contexts it may sound more like I don’t care.

Also, te es igual exists, but te da igual is much more common in everyday speech.

Some natural answers are:

• Sí, me da igual. = Yes, I don’t mind.
• Me da igual. = Either is fine by me.
• No, prefiero ir en tren. = No, I’d rather go by train.
• Prefiero el coche. = I prefer the car.
• Me da lo mismo. = Either one is fine.

A very common short answer is simply:

• Me da igual.

Yes. Te is used for tú, the informal you.

If you want the formal version, use le:

• ¿Le da igual ir en coche o en tren?

So:

• te = informal singular you
• le = formal singular you, or him/her

In Spain, this distinction is used in the usual way:

• tú for informal situations
• usted for formal ones

Because standard Spanish uses two question marks:

• one at the beginning: ¿
• one at the end: ?

So the correct punctuation is:

• ¿Te da igual ir en coche o en tren?

This helps the reader know from the start that the sentence is a question.

In informal texting, native speakers sometimes leave out the opening mark, but in correct written Spanish it should be included.

Yes. The conjunction o changes to u before words that begin with an o sound, to avoid repetition of the same sound.

For example:

• siete u ocho
• uno u otro

But here it stays o because the next word is en, not a word beginning with an o sound:

• ¿Te da igual ir en coche o en tren?

So o is correct here.

It is the thing that makes no difference. In practical learner terms, it is the idea that the phrase te da igual is referring to.

You can think of the structure like this:

• te = to you
• da igual = is all the same / makes no difference
• ir en coche o en tren = going by car or by train

So the sentence means that the choice between those two actions is irrelevant to the person being asked.

By itself, it sounds neutral and natural. It is a normal way to ask whether someone has a preference.

Whether it sounds rude depends mostly on tone of voice and context. For example:

• neutral: ¿Te da igual ir en coche o en tren?
• more blunt, depending on tone: ¿Te da igual o qué?

But the sentence you gave is perfectly normal and polite in everyday conversation.