Well I do not know about a 13LX, but for 21s Platinum rides way better, especially at highway speeds (75+) which we have a lot of in Texas and SW.
Again, do not know about 13LX, but for 21s, 13.5mpg LC200, 18mpg Sequoia, = 33% better mileage. LC200 drops significantly over 65mph. Sequoia not so much.
I use large phone on LC200, it is not same as big built-in screen. And the connected features are really nice to have.
Again, two different vehicles for two different purposes. OP has to decide which he needs most. But paying $56K for platinum features while losing LX seems crazy to me.
Given above post, i got to thinking about Sequoia...why fuel is not that good. And why i find this 33% difference odd. I found data on 2019 Sequoia which is the same thru the years. This is a modified post of an older post i made.
The automatic transmission ratios on a 2019 Sequoia is the exact same as the one on the 2014 Land Cruiser. 1st gear = 3.333, 6th gear = 0.588.
Same engine. Weight within a few lbs of each other. Big ass frontal area...same DRAG COEFFICIENT for both at 0.35.
BUT this is where it gets interesting.
The DIFFERENTIAL RATIO of the Sequoia comes in two flavors:
1. without tow package = 3.909:1 (same as 2014 LC)
2.
WITH tow package = 4.300:1
Fuel economy of 2019 Sequoia 4wd: 13 city / 17 hwy / 14 combined.
Not sure if i am reading it right, but 2019 Sequoia SR5 has tow package...so, basically, ALL Sequoia on the road has TOW package, at least 2019 (only year i looked). And if so, then EPA likely tested the one with the tow package.
So, this explains why a 4wd Sequoia with MULTI-MODE 4wd (2wd selectable) does not have better highway efficiency...because their final drive ratio is MUCH HIGHER numerically than any Land Cruiser.
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Now compare this to a 2016+ Land Cruiser.
Sequoia 6-speed auto: (as noted above)
1st gear = 3.333
...6th gear = 0.588
Differential ratio = 4.300:1
2019 LC 8-speed auto: (of course, this applies to all LC 2016 and up)
1st gear = 4.795
...8th gear = 0.672
Differential ratio = 3.307:1
The last gear of each transmission....the Sequoia's 6th gear is actually lower numerically than the 8th gear of the 2019 LC!! So, if everything else being equal, the highway cruising efficiency would favor the Sequoia! BUT, Toyota compensated for the shorter/higher numerically 8th gear (on 2016+) by lowering numerically the differential ratio (3.307 vs. 4.300).
Thus, on highway cruising efficiency, the Sequoia and 2019 LC are similar (Sequoia 2.53 vs. LC 2.22)....thus explaining why EPA ratings b/w the two vehicles. Technically speaking, the LC 8-speed is more efficient on highway due to lower final drive ratio. EPA loop testing does in fact confirm such small changes in final drive ratio by giving LC a 1 MPG advantage over Sequoia. (Sequoia is also a few lbs heavier than LC...so this would also work in favor of LC.)
Where the LC 8-speed has advantage over Sequoia's tranny is in the first 5 gears. The final drive ratio is significantly higher numerically on the new LCs than Sequoia. On Sequoia, gear ratio of 1.000 is at 4th gear. On 2019, 1.000 is all the way at 6th gear. Despite having a lower diff ratio, the first 5 gears on newer LC should produce more responsiveness due to the lower/shorter final drive gearing (high numerically).
In conclusion, Sequoia and LC should have basically similar fuel efficiency on the highway in stock form...if anything, LC should be slightly more efficient (and EPA confirms this...17 for Sequoia and 18 for LC). Any other differences are from environmental differences b/w the drives or drivers.
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