Adaptive Cruise Control on 2019 Sierra/Silverado

highcountry2019 · December 4, 2019

I have a 2019 high country. of course I wanted adaptive cruise my lexus had but couldn't get it. now its here.

i'd pay $5k in sales tax alone to trade in... can someone quote me the cost to retrofit in my 2019? I think i'm keeping this truck for life!

thanks.

markinflorida · December 18, 2019

Sorry for my ignorance, but are you saying that ACC in my 2019 GMC Sierra Denali is a no-go? I really wanted it but the truck they had in stock didn't have it, but was exactly what I wanted in every other way (it is lifted 6" and has 20" wheels with All Terrains).

I assumed I could probably just add ACC afterwards, but now it seems that may not be an option. Certainly some brilliant mind out there could/will come out with an aftermarket option, right? Or maybe GM will offer it later? Or will then not to force you to upgrade to a newer model? I am not a frequent interstate driver, but when I do travel, I love the feature (I have it on another car and love it).

Thanks for any info you guys can provide.

Edited December 18, 2019 by markinflorida
updated info

SouthernSnowman · December 22, 2019

I did a 400 mile drive yesterday and was able to check out the ACC, which I've never had before. My trip was on interstate highways at approx 75 mph and secondary highways varying from 45 mph to 60 mph. There was also a 30-mile stretch of single-lane driving at 60 mph.

The ACC performed well. It didn't trigger on any vehicle not in my lane and in one instance was able to bring the truck down to 20 mph from 60 mph when a vehicle ahead of me made a right turn. After the vehicle turned the truck gradually returned to 60 mph. Several times I let the ACC slow the truck down as I approached a slower vehicle in my lane and waited for a vehicle to pass me in the passing lane. When I changed into the passing lane the ACC accelerated to the cruise set speed and resumed normal driving.

If I had any criticism it would be the amount of following distance at which the ACC slows the vehicle. Even with it at the shortest setting it felt too far for me - if I were driving without ACC I would have approached much closer to the vehicle in front of me before slowing or changing lanes to pass. I'm sure it's safer the way the engineers have it implemented, but it doesn't match my driving style. I'll eventually get used to it, I'm sure.

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redwngr · December 22, 2019

On 12/18/2019 at 12:38 AM, markinflorida said:

Sorry for my ignorance, but are you saying that ACC in my 2019 GMC Sierra Denali is a no-go? I really wanted it but the truck they had in stock didn't have it, but was exactly what I wanted in every other way (it is lifted 6" and has 20" wheels with All Terrains).

I assumed I could probably just add ACC afterwards, but now it seems that may not be an option. Certainly some brilliant mind out there could/will come out with an aftermarket option, right? Or maybe GM will offer it later? Or will then not to force you to upgrade to a newer model? I am not a frequent interstate driver, but when I do travel, I love the feature (I have it on another car and love it).

Thanks for any info you guys can provide.

Adaptive cruise was a new option for 2020.

redwngr · December 22, 2019

On 12/4/2019 at 12:03 AM, highcountry2019 said:

I have a 2019 high country. of course I wanted adaptive cruise my lexus had but couldn't get it. now its here.

i'd pay $5k in sales tax alone to trade in... can someone quote me the cost to retrofit in my 2019? I think i'm keeping this truck for life!

thanks.

Don't you just pay tax on the difference between the trade and the new?

Here (and based on other threads) if the difference between trade in and purchase was $10,000, then the tax would just on the $10,000. (and of course if someone buys the trade in, they also pay tax on their 'difference', or the total if there is no trade)

I don't know what your tax rate is, but here we pay 13%, so $5,000 tax would have meant a difference of $38,000 or so.

highcountry2019 · December 22, 2019

Dang 13% is high! I thought that too, but in good old California you pay tax on the full purchase price of the vehicle. even if its used!

I asked the dealer before selling my trade in to a private party.

highcountry2019 · December 22, 2019

21 minutes ago, redwngr said:

Don't you just pay tax on the difference between the trade and the new?

Here (and based on other threads) if the difference between trade in and purchase was $10,000, then the tax would just on the $10,000. (and of course if someone buys the trade in, they also pay tax on their 'difference', or the total if there is no trade)

I don't know what your tax rate is, but here we pay 13%, so $5,000 tax would have meant a difference of $38,000 or so.

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Dang 13% is high! I thought that too, but in good old California you pay tax on the full purchase price of the vehicle. even if its used!

I asked the dealer before selling my trade in to a private party.

redwngr · December 22, 2019

18 minutes ago, highcountry2019 said:

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Dang 13% is high! I thought that too, but in good old California you pay tax on the full purchase price of the vehicle. even if its used!

I asked the dealer before selling my trade in to a private party.

Yes, it's an important consideration 'here' if considering selling privately and then buying in a separate transaction.

Trade with $15k difference, then tax is $15,000 x 0.13 or $1950.

Sell private and then pay say $75,000 for new and the tax is $9750.

Means the private sale would need to be $9750 -$1950 = $7800 higher than the trade-in value to be equivalent bottom line on the transaction(s).

Of course, dealers know this too, and adjust their offers so they get most of the benefit from doing the trade...

Part of the reason it's so high is that the wholesale level taxes that used to be hidden in the selling price were removed and incorporated in the new system. The tax is both federal and provincial (state) combined. We don't have local sales taxes.

Edited December 22, 2019 by redwngr

RadioFlyer32 · January 1, 2020

So, is it a hard no to upgrading 2019 Denali with ACC? Did anyone ever determine the cost associated with an upgrade?

Fuelie · January 1, 2020

I am not sure anyone has been willing to step up to the plate and be the ginny pig for the conversion.

I wouldn't want to do it while its under warranty.

Tom

Cpl_Punishment · January 2, 2020

On 12/22/2019 at 10:32 AM, SouthernSnowman said:

I did a 400 mile drive yesterday and was able to check out the ACC, which I've never had before. My trip was on interstate highways at approx 75 mph and secondary highways varying from 45 mph to 60 mph. There was also a 30-mile stretch of single-lane driving at 60 mph.

The ACC performed well. It didn't trigger on any vehicle not in my lane and in one instance was able to bring the truck down to 20 mph from 60 mph when a vehicle ahead of me made a right turn. After the vehicle turned the truck gradually returned to 60 mph. Several times I let the ACC slow the truck down as I approached a slower vehicle in my lane and waited for a vehicle to pass me in the passing lane. When I changed into the passing lane the ACC accelerated to the cruise set speed and resumed normal driving.

If I had any criticism it would be the amount of following distance at which the ACC slows the vehicle. Even with it at the shortest setting it felt too far for me - if I were driving without ACC I would have approached much closer to the vehicle in front of me before slowing or changing lanes to pass. I'm sure it's safer the way the engineers have it implemented, but it doesn't match my driving style. I'll eventually get used to it, I'm sure.

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How far are the following distance settings? On my Tundra, the only options are 1, 2 or 3 car lengths, which is not enough distance at highway speeds.

SouthernSnowman · January 2, 2020

How far are the following distance settings? On my Tundra, the only options are 1, 2 or 3 car lengths, which is not enough distance at highway speeds.

The setting is based on time, not distance, and the time intervals aren't defined explicitly. Here's the relevant paragraph in the owners manual:

"Since each gap setting corresponds to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The faster the vehicle speed, the further back your vehicle will follow a vehicle detected ahead. Consider traffic and weather conditions when selecting the following gap. The range of selectable gaps may not be appropriate for all drivers and driving conditions."

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MG386 · January 5, 2020

If anything mine seems too conservative for my taste. I set it up on the closest following distance, and wish it could be adjusted further down. Same with the automatic braking, it's a little too conservative.

2020 AT4.

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2016 Sierra Owner · January 6, 2020

8 hours ago, MG386 said:

If anything mine seems too conservative for my taste. I set it up on the closest following distance, and wish it could be adjusted further down. Same with the automatic braking, it's a little too conservative.

2020 AT4.

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The closest following distance on mine is a little over a car length away. I wouldn't trust it to react (stop) if I was any closer.

Edited January 6, 2020 by 2016 Sierra Owner
spelling

PapaBrewFly · January 6, 2020

I am really enjoying the ACC in my ‘20 HC. I was waiting for GM to offer adaptive cruise before I updated from my ‘06 Sierra SLT, and I am happy with it. I learned to love ACC by driving my wife’s fully loaded 2012 Jeep Grand Cherokee- it has radar based ACC and it works well. The new truck’s camera based system is pretty much just as good so far, though I have not tested it in heavy rain or fog yet. But one excellent feature that the truck does that the jeep did not is full Stop and Go without using your foot! I was following a vehicle on a highway, and my truck maintained the following gap as it slowed from 65 MPH to a full stop at a stop light, remained at a full stop for several seconds, then when the preceding vehicle got a green light and continued, my truck started back up and accelerated to maintain the set following gap Once again up to 65 mph. The jeep would have cancelled the cruise at 25 mph or so and hit you with warning lights and maybe brake slam. The truck is perfectly happy slowing you to a stop and then going again. Good job GM! Now we just need hands free lane keep so I don’t have to hold the wheel either.