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2019 vs 2018 1.4tsi Differences ?

5K views 6 replies 4 participants last post by  Carl- 
#1 ·
What are the differences between the 2018 and 2019 1.4?

-- 3 less HP
-- Different intake

Are there other changes?
 
#3 ·
I wonder why they changed the intake?

In the US the Golf and Jetta share a similar looking intake for 2019. The UK version of the 2018 Golf (mk7.5) had a intake that looked Just like the mk6 jetta. unitronic mk6 1.4tsi tune does not work on the 2019/2020 Jetta or Golf. APR said they had a tune that would work on the 1.4tsi 2019 Golf, but not the 2018 MK6 Jetta 1.4...

The 2019s also take a different oil.


There has to be more that's changed
 
#4 ·
Mk7 Golf is 1.4T has same engine as Mk6 Jetta 1.4T. Then Mk8 golf Prob has same as Mk7 jetta. Mk6 1.4T takes 5w-40 while Mk7 takes 0w-30 I think or something like that. And 3 hp less but from what? I do agree with you but I can’t complain. My 17 Jetta 1.4T bought with only 40 miles is now at 90k miles went to the stealership only once. Has been great to me no issues so far.


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#7 ·
The different intake is because the prior one was a poor design and heat soaked badly.
I think you are right. The 19 Jetta and Golf 1.4 share the same intake. The UK version of the 1.5 Golf also has the same intake.

Will a 19 intake fit on a 18 for cooler intake temps?

Supposedly, turbo is smaller on 2019+ for more torque down low.... My 1.4T is seriously uninspiring past 5000 rpm which is nuts for a 1.4L motor.... short shift and enjoy the torque
Good catch. The turbo is different.

https://parts.vw.com/p/Volkswagen_2...-TSI-MT/Turbocharger/71903225/04E145722M.html
 
#6 ·
Supposedly, turbo is smaller on 2019+ for more torque down low.... My 1.4T is seriously uninspiring past 5000 rpm which is nuts for a 1.4L motor.... short shift and enjoy the torque

Aftermarket seems to be slowly developing the 2019+ 1.4T parts and many are not interchangeable with the MK6 1.4.

The 2019+ 1.4 gets 0w-20 oil.

Another is that the smaller 2019 turbo is pushed to the limit and can fail if pushed any harder. So, I won't go any further than my Chipwerke, Borla, and AEM...... I want a downpipe but will wait for the tunes to show up, along with better turbos.

Plus, I am probably at the limit of my clutch and DMF nuisance. Waiting for SMF clutch upgrades.
 
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