Auto Start/Stop

Can anyone with a 2wd or 4wd base SR5 confirm if either has auto start/stop. Online under the specs it says this model does not.

 

I have looked at several videos of the 4x2 SR5 and I have not seen the button anywhere near the shifter or the left side of the dash like my 2023 Tundra.

 

I would expect it to be on the hybrid models.

 

here is a Sr5 4x4 basic and do not see the auto/start stop feature behind the shifter in the blanks.

 

here is the 2wd .. again I do not see a auto/start stop button.

 

Someone would probably have to test drive to be sure, but I’ll say:

- Some vehicles have/don’t have that feature depending on trims, I suspect if the SR5 flat-out doesn’t have it on paper, it just doesn’t.
- All hybrids technically have it but it’s different on paper and no button to turn it off naturally.
- It’s possible only the button changed, I can see it being another upsell but since it’s not on the spec sheet the first point is probably more likely.

 

It doesn’t have it.

 

I think auto start-stop is only for Tacoma.


4Runner -


Land cruiser-


Tacoma -

 

Just checked Toyota site not even top trims have it;

 

Those are hybrids, the spec sheet says the hybrids don’t have it technically.

Saw a TRD Sport 4Runner on the other site sans ASS but wondering for other gas trims

 

Bumping with an interesting development.

In TCC's review of the '25 4Runner in Limited, gas-only/third-row configuration I spotted the auto start-stop off button - lower-right corner of image.

 

I just bought the eliminator for our lexus nx with the same engine. Amd the institutions said for tacoma and 4runner also.

And correct above, it's only on non hybrids

 

My 2024 Tacoma Off-road is not a hybrid, and doesn’t have start stop.

 

you could always look in the manual people

 

We know where the button's located! The question is that only certain gas-only models seem to have it.

Looking back at Toyota's spec sheet online, among gas models it looks like:

SR5, TRD Sport (Premium), TRD Off-Road (Premium) - No "Stop and Start Engine System"

Limited - Yes

Wonder why that is.

 

Agreed. It makes zero sense.

I figure in the case of the Off-road, they don’t want their premier 4x4 shutting off the engine on a tight mountainous traverse.

 

Often time it's arbitrary. On 5th gens they put dusk sensing headlights only on TRD Pro and Limited, no logic to it.

They even put auto start/stop on the Limited 2WD gas only trim, so it's not just due to the full time 4WD mpg loss.

 

the SS system if mostly for pushing cafe standards for the oem.

hybrids dont get a SS button since the vehicle is already programmed to switch to the big battery to save gas (cafe) and be the motive force for until 18 mph. on gas models the SS the only way they can contribute to the cafe numbers is to shut off the engine and save gas and epa emissions.

if you think SS is for the consumer benefit, i think everyone is wrong on that it benefits the consumer. its to benefit the oem to meet overall cafe targets.

same goes for that stupid air dam, its only there to improve cafe average.

 

^Saving fuel is to the consumer's benefit

 

yeah sure, you are lucky if you get 4% to best case 26% and thats only if you do a lot of city driving and stop and go traffic. i think sae did a report and the best they got was in nyc.

depending on who did the report, some say that its barely worth the hassle vs the cost. i mean for me, its a complete waste of time/money and effort for city that is barely 25 sq/miles area and less than 50k people.

but meh, each their own i guess. i personally turn it off each time i get in our tundra. but then again when i tested it around town i think it only engaged twice during a day of errands. i have a light foot on the brake so thats another issue since i dont jam my brakes on hard coming to stop to actually get it to engage anyway.

funny quirk of toyota's SS setup. you can bypass SS by being proactive with brake application. i just tired of the pop ups in the MID screen saying press brake pedal harder to engage SS

 

The logic is Toyota put what should be standard features on the most expensive trims only.

I disagree with their logic though, at least all premium trims should have the same basic interior features. Makes no sense that the US ORP doesnt get auto headlights or dual zone climate control among other things

 

You forgot to ask "at what cost". Outside of some edge cases (and EPA testing), start/stop does not save you fuel while requiring additional electronics, more expensive starter, etc. More so, if the car is driven for short trips start/stop will make resulting issues worse.

 

the bureaucrats who come up with MPG and such targets are not engineers, that's for sure. If they were they would have first and foremost encouraged small, light EVs for city drivers who the start/stop are theoretically designed to provide the most value. But that's not how it went down. So instead we get start/stop on 5000lb off road SUVs designed to survive the mountains of Afghanistan, deserts of the Gulf states, and the rain forest of Africa.

 

My home is 2.5 miles from the nearest highway on-ramp, but has 9 traffic lights in those 2.5 miles. So start/stop will make a measurable difference in fuel consumption. Keep in mind every generation has fuel-saving features at the expense of durability - ADD front diff, throttle by wire, loss of 2UZ V8,

$52 0W20 oil Toyota/ exxon mobil Case of 6 Quarts Full Synthetic TGMO SN 0W-20 Oil

0W20 oil, WS ATF... You may be satisified with your 4R's fuel economy right now. Would you still be satisfied at 12 mpg? 9 mpg?

Anyway, based on Tacoma experience, the first new fuel-saving equipement to fail will probably be the active grille shutters, not start/stop

 

Jeez, I hadn’t even thought about the stop/start logic when you’re angling and dangling. Some situations are hairy enough without hearing your engine shut off in the middle of a sketchy obstacle. While Toyota seems to be good about designing start/stop logic in general, I don’t want to find out that they didn’t think about a certain off road situation while I’m in the middle of that situation!

 

I’ve had it in a rental Corolla Cross and found it quite smart, taking cabin temp, brake pedal pressure, etc. into account but now I’m wondering if 4Lo would disable it like how it disables precollision and stability control automatically.

Guess we’ll have to catch a view of a tester’s dash in a review - but then again it’d have to be that specific trim.