Das Auto fährt vorwärts.

Because Auto is a neuter noun in German, and the nominative singular definite article for neuter nouns is das.

• der = masculine
• die = feminine
• das = neuter

So:

• das Auto = the car

This is something you usually just have to learn together with the noun: das Auto, not just Auto.

In German, all nouns are capitalized, not just proper names.

So in this sentence:

• Das is capitalized because it is the first word of the sentence
• Auto is capitalized because it is a noun

This is one of the most noticeable differences from English spelling.

fahren is the infinitive, meaning to drive / to go (by vehicle) / to travel.

In the sentence, the subject is das Auto, which is third person singular (it), so the verb must be conjugated:

• ich fahre
• du fährst
• er/sie/es fährt

Since das Auto = it, you use fährt.

So:

• Das Auto fährt. = The car drives / is driving / goes

Some strong verbs in German change their stem vowel in the present tense for du and er/sie/es forms.

With fahren, the a becomes ä:

• ich fahre
• du fährst
• er/sie/es fährt

So the umlaut is not random; it is part of the normal conjugation pattern of this verb.

Yes, but fahren is broader than English to drive.

It can mean:

• to drive a vehicle
• to go/travel by vehicle
• for a vehicle itself, to move / to go / to be driving

So Das Auto fährt vorwärts is natural German, even though in English you might translate it in different ways depending on context:

• The car is moving forward.
• The car is driving forward.
• The car goes forward.

German uses fahren very naturally with vehicles as the subject.

vorwärts is an adverb meaning forward or forwards.

In this sentence, it describes how / in what direction the car is moving:

• Das Auto fährt vorwärts. = The car is moving forward.

It does not change its form here, because it is an adverb, not an adjective modifying a noun.

Because vorwärts is being used as an adverb, and adverbs do not take adjective endings.

Compare:

• ein schnelles Auto → schnelles has an adjective ending because it describes the noun Auto
• Das Auto fährt schnell. → schnell has no ending because it describes the verb fährt

The same is true for vorwärts:

• Das Auto fährt vorwärts.

Here it describes the movement, not the noun.

German main clauses normally follow the verb-second rule: the conjugated verb comes in the second position.

Here the order is:

1. Das Auto = subject
2. fährt = conjugated verb
3. vorwärts = adverb

So the sentence is a very standard German main clause.

You could change the order for emphasis:

• Vorwärts fährt das Auto.

But that sounds marked or contrastive. The neutral version is:

• Das Auto fährt vorwärts.

It can mean either, depending on context.

German often uses the simple present tense where English might use either:

• simple present: drives
• present progressive: is driving

So:

• Das Auto fährt vorwärts.

could mean:

• The car drives forward.
• The car is driving forward.

In most real situations, context tells you which English translation fits best.

Yes, in many contexts you can, but vorwärts is usually the more natural word for forward motion.

Roughly:

• vorwärts = forward, in a forward direction
• nach vorne = toward the front / forward

vorwärts often feels more direct and idiomatic for movement:

• Das Auto fährt vorwärts.

nach vorne can work too, but it may sound a little more literal or spatial depending on the context.

A rough guide:

• fährt: the ä sounds somewhat like the vowel in British English air, though not exactly the same
• vorwärts: roughly FOR-vairts

A few details:

• ä is a front vowel, not exactly English a
• w in German sounds like English v
• v in vorwärts is pronounced like f
• the final -ts sound in wärts is clearly pronounced

If you want a rough English-style approximation:

• fährt ≈ fairt
• vorwärts ≈ FOR-vairts

These are only approximations, but they can help at first.

In German, the correct spelling is vorwärts.

In English, both forward and forwards exist, depending on variety and style. But that does not affect the German form. German simply uses vorwärts here.

So when learning the sentence, treat vorwärts as one fixed German adverb meaning forward / forwards.

Yes. Very often, vorwärts is used when the speaker wants to make it clear that the car is moving forward, not backward.

So the sentence may carry an implied contrast with:

• Das Auto fährt rückwärts. = The car is reversing / moving backward.

That makes vorwärts especially common in situations involving parking, maneuvering, or giving directions.