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6 months and 11k miles in my J1.2

Boss Hogg

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6 months and 11k miles in my J1.2 ST Turbo on 21” Aero wheels I thought I’d share some more thoughts and experiences as a high miler. For comparison I’ve come from a J1 CT 4S on 20” Aero wheels and covered around 55k miles in it.

Range is improved, comfortably by +30% despite moving up to Turbo from 4S, half of this from the bigger battery, half from improved efficiency (new rear motor, power electronics, battery and increased regen).

Cold weather range drop off is less severe c. 10% vs 20% in J1

Longer distances and road tips with DC fast charging are improved for several reasons, not just the +30% range.
  • Faster peak charging rate
  • Improved and ’taller’ charging curve. No need to run the run a low SoC to exploit the fastest charging speeds, it’s easier to simply top up whenever so more flexible. For example, my old strategy was largely to run down to 5-10% (under 25%) to get the fast charge rate, however there was always a risk that the charger would be busy or broken, in J1.2 charging anywhere under 50/60% gets very high charging speeds.
  • Lower battery temp for peak charging speed, c. 16c vs 35c, means less power and range wasted to pre-heat the battery.
  • Improved charging planner, just a bit faster and easier to use.
Interior build quality of the car is the same as J1.

PCM is slicker and faster, not a huge change but enough to make it feel better.

The new battery display in the instrument cluster is helpful, it is my default. As well as battery SoC and temp it tells you the expected DC charge rate (based on SoC and battery temp), if the battery is being pre-conditioned and if the DC charger is limiting your charge or not.

‘ECO’ air conditioning is now clearly different to ‘Normal’ mode and noticeably slower to heat the cabin. In my J1 I could hardly tell a difference between the two modes. With the increased range I don’t bother using ‘ECO’ any longer. The new heating/cooling system itself is a little nosier on max cabin heating or battery cooling during DC charging, you can hear it whirring (quietly) from inside the cabin, was pretty much silent in J1 in any condition.

Matrix HD LEDs are amazing. I’m surprised at how much better they are over previous generation top spec matrix LEDs with PDSL which were excellent. Overall brightness, range, speed of reaction and the ‘motorway lane guidance’ mode are great. The little animations at start and stop are cool too.

Exterior of the turbo I really like, feels newer/fresher at the front, but appreciate this is subjective.

Coming from a 4S to a J1.2 Turbo, the power is mind boggling, 884hp it is too much, too fast for the road - I never thought I’d say that. Push-to-pass is fun but cannot use it for more than about 3 or 4 seconds of full power. I rarely use it as the standard power level is immense. One limitation in colder climates is that it only works if battery is +10c. Putting into sport+ soon warms the battery to 10c.

Ride and handling is sublime, a big improvement but I have Active Ride so not a direct comparison to my old car.

Sport sound is not as good, I think they removed some of the external speakers used in the J1 system and now pipe it via the stereo, the sound has less depth and is even more false and artificial.

The Bose sounded better in my J1, doubt they’d have changed this, but it does not sound the same.

Cabin noise increased due to the metal roof in my J1.2 (vs glass in the J1) and the Hankook tyres (vs Pirelli in J1). The tyres are wearing well but are noisy (may also be the 21” vs 20” but they are the same width). Note this is a spec related option choice vs my J1, not a platform difference. I do miss the near silence of my J1.

I wish I’d optioned surround view, I now have a 1990’s quality reverse camera on a +£150k car.

Sadly, reliability is not off to a great start, had a new front strut fitted and the other one now needs done (knocking noises, not complete failure) and the boot has also stopped closing. Heater and battery are ok….. so far.


Overall I am very pleased with the J1.2, it is a clear and useful improvement for anyone doing longer trips and high miles in particular.
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Speuk

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Thanks for the report, much appreciated.
I'm 3 months and 4K miles in on my J1.2 4S ST. Range and performance are the two very noticeable differences.

Like you gone from 20" to 21" rims and noticeable that the ride is firmer and a bit more tyre noise.

Had a new hv charger before pick up and both charge door modules replaced, one had failed and the tech noticed the other was out of spec.

I've noticed the lower battery temp for peak charging, J1.1 4S CT got much hotter c 39°c on pre heating.

Overall really pleased with the new one coming from the 4S CT which was 100% reliable other than for the recalls
 

DavidS78

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6 months and 11k miles in my J1.2 ST Turbo on 21” Aero wheels I thought I’d share some more thoughts and experiences as a high miler. For comparison I’ve come from a J1 CT 4S on 20” Aero wheels and covered around 55k miles in it.

Range is improved, comfortably by +30% despite moving up to Turbo from 4S, half of this from the bigger battery, half from improved efficiency (new rear motor, power electronics, battery and increased regen).

Cold weather range drop off is less severe c. 10% vs 20% in J1

Longer distances and road tips with DC fast charging are improved for several reasons, not just the +30% range.
  • Faster peak charging rate
  • Improved and ’taller’ charging curve. No need to run the run a low SoC to exploit the fastest charging speeds, it’s easier to simply top up whenever so more flexible. For example, my old strategy was largely to run down to 5-10% (under 25%) to get the fast charge rate, however there was always a risk that the charger would be busy or broken, in J1.2 charging anywhere under 50/60% gets very high charging speeds.
  • Lower battery temp for peak charging speed, c. 16c vs 35c, means less power and range wasted to pre-heat the battery.
  • Improved charging planner, just a bit faster and easier to use.
Interior build quality of the car is the same as J1.

PCM is slicker and faster, not a huge change but enough to make it feel better.

The new battery display in the instrument cluster is helpful, it is my default. As well as battery SoC and temp it tells you the expected DC charge rate (based on SoC and battery temp), if the battery is being pre-conditioned and if the DC charger is limiting your charge or not.

‘ECO’ air conditioning is now clearly different to ‘Normal’ mode and noticeably slower to heat the cabin. In my J1 I could hardly tell a difference between the two modes. With the increased range I don’t bother using ‘ECO’ any longer. The new heating/cooling system itself is a little nosier on max cabin heating or battery cooling during DC charging, you can hear it whirring (quietly) from inside the cabin, was pretty much silent in J1 in any condition.

Matrix HD LEDs are amazing. I’m surprised at how much better they are over previous generation top spec matrix LEDs with PDSL which were excellent. Overall brightness, range, speed of reaction and the ‘motorway lane guidance’ mode are great. The little animations at start and stop are cool too.

Exterior of the turbo I really like, feels newer/fresher at the front, but appreciate this is subjective.

Coming from a 4S to a J1.2 Turbo, the power is mind boggling, 884hp it is too much, too fast for the road - I never thought I’d say that. Push-to-pass is fun but cannot use it for more than about 3 or 4 seconds of full power. I rarely use it as the standard power level is immense. One limitation in colder climates is that it only works if battery is +10c. Putting into sport+ soon warms the battery to 10c.

Ride and handling is sublime, a big improvement but I have Active Ride so not a direct comparison to my old car.

Sport sound is not as good, I think they removed some of the external speakers used in the J1 system and now pipe it via the stereo, the sound has less depth and is even more false and artificial.

The Bose sounded better in my J1, doubt they’d have changed this, but it does not sound the same.

Cabin noise increased due to the metal roof in my J1.2 (vs glass in the J1) and the Hankook tyres (vs Pirelli in J1). The tyres are wearing well but are noisy (may also be the 21” vs 20” but they are the same width). Note this is a spec related option choice vs my J1, not a platform difference. I do miss the near silence of my J1.

I wish I’d optioned surround view, I now have a 1990’s quality reverse camera on a +£150k car.

Sadly, reliability is not off to a great start, had a new front strut fitted and the other one now needs done (knocking noises, not complete failure) and the boot has also stopped closing. Heater and battery are ok….. so far.


Overall I am very pleased with the J1.2, it is a clear and useful improvement for anyone doing longer trips and high miles in particular.
Thanks for the great update!

How have the 21” aero wheels held up from a finish perspective?

I saw them on a new J1.2 and thought they looked quite “plastic like” and something that could scratch and mark easily?
 

Dabz

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I’ve just spent a week in a J1.2 4S while mine was in having wheels refurbed. Jumping between two identical cars (even the same wheels and almost same spec, other than noise insulated glass) J1.1 vs 1.2 was interesting.

I agree with all your points above entirely. The extra range and battery related improvements aren’t enough to make me switch just yet but it was great to see so much improvement from a mid cycle “facelift”. Makes me excited to see what comes in a future J2.1
 


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Improved and ’taller’ charging curve. No need to run the run a low SoC to exploit the fastest charging speeds, it’s easier to simply top up whenever so more flexible. For example, my old strategy was largely to run down to 5-10% (under 25%) to get the fast charge rate, however there was always a risk that the charger would be busy or broken, in J1.2 charging anywhere under 50/60% gets very high charging speeds.

Lower battery temp for peak charging speed, c. 16c vs 35c, means less power and range wasted to pre-heat the battery


These two improvements are not prominent in the marketing of the car as most consumers are focused on range numbers, but this is the single most impactful improvement that makes the j1.2 upgrade worth paying for.

I always say that owners of gasoline cars never think about or brag that they can get 500 miles to a tank. (You will do kidney or bladder damage or you will fall asleep at the wheel if you try to drive 500 miles non stop. ) The sooner our charging experience it says quick as filling a tank of gas consistently, the more adoption EVs will receive.
 

Flying ace

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Also, I'm still confused about the impact of Sport + on heating/cooling. I always thought that it attempts to cool down the battery by running the cooling fans. Therefore, the strategy is if the battery is too hot during preconditioning or charging, you put it in Sport +. Is it possible that Sport + attempts to maintain a certain battery operating range? If so I would think it would be on the cooler side in anticipation of performance driving
 

BjörnfromHamburg

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Sport Plus is focusing on everything around performance, hence also taking most effort to the battery temp being in performance mode.
It will even shut down the cabin A/C in summer to cool down the battery, but also give the most possible heat to the battery during winter.
That fe heats up the battery quicker if you are planning a HPC session shortly after starting a trip.
Also during HPC-charging (with the car "on"), SportPlus will get better kW results .
 


wafergold

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6 months and 11k miles in my J1.2 ST Turbo on 21” Aero wheels I thought I’d share some more thoughts and experiences as a high miler. For comparison I’ve come from a J1 CT 4S on 20” Aero wheels and covered around 55k miles in it.

Range is improved, comfortably by +30% despite moving up to Turbo from 4S, half of this from the bigger battery, half from improved efficiency (new rear motor, power electronics, battery and increased regen).

Cold weather range drop off is less severe c. 10% vs 20% in J1

Longer distances and road tips with DC fast charging are improved for several reasons, not just the +30% range.
  • Faster peak charging rate
  • Improved and ’taller’ charging curve. No need to run the run a low SoC to exploit the fastest charging speeds, it’s easier to simply top up whenever so more flexible. For example, my old strategy was largely to run down to 5-10% (under 25%) to get the fast charge rate, however there was always a risk that the charger would be busy or broken, in J1.2 charging anywhere under 50/60% gets very high charging speeds.
  • Lower battery temp for peak charging speed, c. 16c vs 35c, means less power and range wasted to pre-heat the battery.
  • Improved charging planner, just a bit faster and easier to use.
Interior build quality of the car is the same as J1.

PCM is slicker and faster, not a huge change but enough to make it feel better.

The new battery display in the instrument cluster is helpful, it is my default. As well as battery SoC and temp it tells you the expected DC charge rate (based on SoC and battery temp), if the battery is being pre-conditioned and if the DC charger is limiting your charge or not.

‘ECO’ air conditioning is now clearly different to ‘Normal’ mode and noticeably slower to heat the cabin. In my J1 I could hardly tell a difference between the two modes. With the increased range I don’t bother using ‘ECO’ any longer. The new heating/cooling system itself is a little nosier on max cabin heating or battery cooling during DC charging, you can hear it whirring (quietly) from inside the cabin, was pretty much silent in J1 in any condition.

Matrix HD LEDs are amazing. I’m surprised at how much better they are over previous generation top spec matrix LEDs with PDSL which were excellent. Overall brightness, range, speed of reaction and the ‘motorway lane guidance’ mode are great. The little animations at start and stop are cool too.

Exterior of the turbo I really like, feels newer/fresher at the front, but appreciate this is subjective.

Coming from a 4S to a J1.2 Turbo, the power is mind boggling, 884hp it is too much, too fast for the road - I never thought I’d say that. Push-to-pass is fun but cannot use it for more than about 3 or 4 seconds of full power. I rarely use it as the standard power level is immense. One limitation in colder climates is that it only works if battery is +10c. Putting into sport+ soon warms the battery to 10c.

Ride and handling is sublime, a big improvement but I have Active Ride so not a direct comparison to my old car.

Sport sound is not as good, I think they removed some of the external speakers used in the J1 system and now pipe it via the stereo, the sound has less depth and is even more false and artificial.

The Bose sounded better in my J1, doubt they’d have changed this, but it does not sound the same.

Cabin noise increased due to the metal roof in my J1.2 (vs glass in the J1) and the Hankook tyres (vs Pirelli in J1). The tyres are wearing well but are noisy (may also be the 21” vs 20” but they are the same width). Note this is a spec related option choice vs my J1, not a platform difference. I do miss the near silence of my J1.

I wish I’d optioned surround view, I now have a 1990’s quality reverse camera on a +£150k car.

Sadly, reliability is not off to a great start, had a new front strut fitted and the other one now needs done (knocking noises, not complete failure) and the boot has also stopped closing. Heater and battery are ok….. so far.


Overall I am very pleased with the J1.2, it is a clear and useful improvement for anyone doing longer trips and high miles in particular.
Can I ask what is your range in summer and winter ? For me it drops 20%.
I for easily 27Kw/h when 1-7 deg C . In summer I get average 21Kw/h . It’s bad if you compare with Tesla or BMW i4 50 . I’m wondering if there’s a problem because I have one of the first production and they forget to install the hardware for Plug&charge ( they looking now how to solve the issue ) so I’m afraid I have an issue on the range also .
 

RAHRCR

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I would need a lot more of something (efficiency, power, etc) to offset the step back in aesthetics that comes with the .2. I hope that Porsche have learned enough from this this gen to create something really compelling for the next model ~2028.
 

snstevens

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Cabin noise increased due to the metal roof in my J1.2 (vs glass in the J1) and the Hankook tyres (vs Pirelli in J1). The tyres are wearing well but are noisy (may also be the 21” vs 20” but they are the same width). Note this is a spec related option choice vs my J1, not a platform difference. I do miss the near silence of my J1.

I wish I’d optioned surround view, I now have a 1990’s quality reverse camera on a +£150k car.
Did you option the Noise Insulated Glass, or was that not an option given you chose the metal roof?

Also, how in the world did Surround View not appear on a Turbo ST as standard equipment? Seems so odd to me...
 

Longy_UK

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Hankook tyres....

Same with my old RS6 - £115k car and arrived on Hankooks. Not necessarily a bad tyre but not a premium in the traditional sense...

A £150k+ Porsche arriving on Hankook's? Disappointing.
 

BjörnfromHamburg

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Also, how in the world did Surround View not appear on a Turbo ST as standard equipment? Seems so odd to me...
Because it's the Porsche-way. ?

As PCCB is standard on the Turbo S, surround view isn't.
 

D00notD00d

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Hankook tyres....

Same with my old RS6 - £115k car and arrived on Hankooks. Not necessarily a bad tyre but not a premium in the traditional sense...

A £150k+ Porsche arriving on Hankook's? Disappointing.
My perception is that post launch, production is switched to cheaper tyres - that seemed to be the case with my Cayenne, which came with noisy Yokos. I swapped them for Michelins after a couple of thousand miles. I’ve previously had to do the same with Bridgestones on a Merc.
 
 








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