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300h or 300 reliability/longevity

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Old 01-14-19, 09:31 PM
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Ma23peas
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Default 300h or 300 reliability/longevity

We’ve only bought Toyotas, they last 10+ years with just oil change/brakes/occasional radiator flush or transmission fluid flush...put over 300k on them so far (Tundra, Sienna, Prius, Corolla, RAV4) after 25 years- we are ready for comfort but still want longevity.
my dad works for Lexus and advises against the 300 because the turbo-aspect may cause issues after the 10 year mark- he recommends the Hybrid over it. We are also looking at 2019 Acura RDX-but again- turbo. What say y’all?
He says I can get a better deal out of Dallas - (I live in Houston)...whatever we decide is 13-15% off MSRP the sweet spot? Thanks!!
Old 01-15-19, 07:02 AM
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ross7777
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Originally Posted by Ma23peas
We’ve only bought Toyotas, they last 10+ years with just oil change/brakes/occasional radiator flush or transmission fluid flush...put over 300k on them so far (Tundra, Sienna, Prius, Corolla, RAV4) after 25 years- we are ready for comfort but still want longevity.
my dad works for Lexus and advises against the 300 because the turbo-aspect may cause issues after the 10 year mark- he recommends the Hybrid over it. We are also looking at 2019 Acura RDX-but again- turbo. What say y’all?
He says I can get a better deal out of Dallas - (I live in Houston)...whatever we decide is 13-15% off MSRP the sweet spot? Thanks!!
I would avoid the RDX. First year of major redesign is usually problematic.
Old 01-15-19, 11:07 AM
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Lex2000TL
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I second about 2019 RDX. This is too new and not proven. Honda has issues with their 1.5L turbo engine in CRV. I do not want to imply that RDX engine and CRV engine are the same, their are obviously not, but suspect that engine design philosophy may be alike.
Also, as your family tend to keep your cars for very long time, your dad is OK to pay $$$ to replace hybrid battery but not OK to service turbo? Interesting.
Old 01-15-19, 11:44 AM
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ross7777
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And if your Dad works for Lexus can’t he get you a really good deal?
Old 01-15-19, 11:54 AM
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You mean - 200? Not 300? NX200?
At 10 yrs of useful life, hybrid has as much chance of hybrid battery to go bad, as NX200 develop issues.
Issues you should be referring to with turboed engines is that they develop carbon deposit build up on intake valves. Toyota took precaution on that, by adding auxiliary fuel injectors in air intake. They flush deposits off valves ever so often. Honda, aue contraire, chose to do nothing about this. Yet, Honda has GDI engines in Rdgeline for years now, without any known build up issues, I asked. Personally, I'd still go with Toyota solution. Problem is, you can't really buy a non turboed engine anymore, naturally aspirated non GDI engines became dinosaurs.
Old 01-15-19, 01:15 PM
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Originally Posted by Lex2000TL
I second about 2019 RDX. This is too new and not proven. Honda has issues with their 1.5L turbo engine in CRV. I do not want to imply that RDX engine and CRV engine are the same, their are obviously not, but suspect that engine design philosophy may be alike.
Also, as your family tend to keep your cars for very long time, your dad is OK to pay $$$ to replace hybrid battery but not OK to service turbo? Interesting.
good questions, I’ll clarify. My Dad works for a Lexus dealer that is the only one in town and they sell about 100 units a month- he can’t get me a deal because they don’t have the volume. Atlanta or Dallas routinely at 4-5 dealerships with each averaging 400+ units sold each month have a more competitive market. He sends family/friend’s to those markets and routinely they save 1-2k more than he can sell it. He’s helped coach me through all 5 purchases and I’ve always scored deals that even surprises him.
We’ve had our Prius over 10 years, over 350k and no new battery- in his years selling Toyota/Lexus (35+ years) he has seen a battery replace on less than 5% of cars going back to the first Prius. It’s anecdotal-but he has seen 30-35% of cars with these turbo-charged engines start showing issues 5 years in- he just doesn’t like those odds. The manual states you need to have additional idle time- the rpms the turbos exhibit make it run so hot it must cool down, very few follow those guidelines and he’s seen the reality- long term is not very positive.
Ive been reading owner experience on the RDX and consistent brake and engine issues...ugh
Old 01-15-19, 01:19 PM
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Originally Posted by ukrkoz
You mean - 200? Not 300? NX200?
At 10 yrs of useful life, hybrid has as much chance of hybrid battery to go bad, as NX200 develop issues.
Issues you should be referring to with turboed engines is that they develop carbon deposit build up on intake valves. Toyota took precaution on that, by adding auxiliary fuel injectors in air intake. They flush deposits off valves ever so often. Honda, aue contraire, chose to do nothing about this. Yet, Honda has GDI engines in Rdgeline for years now, without any known build up issues, I asked. Personally, I'd still go with Toyota solution. Problem is, you can't really buy a non turboed engine anymore, naturally aspirated non GDI engines became dinosaurs.
the NX300 Hybrid does not have turbo
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Old 01-15-19, 01:27 PM
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ross7777
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Most manufacturers are going the 2.0T route. Hyundai, Acura etc.

I guess I’m not too worried about it but I don’t keep my vehicles for 10 years.
Old 01-15-19, 01:28 PM
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Originally Posted by Ma23peas


the NX300 Hybrid does not have turbo
It’s also considerably slower than the turbo. It was too slow for my tastes.
Old 01-15-19, 02:09 PM
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Lex2000TL
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Originally Posted by Ma23peas
Ive been reading owner experience on the RDX and consistent brake and engine issues...ugh
Find 2018 RDX CPO. It has 3.5L V6 and, based on multiple sources, a reliable car. I drove it - it drive great and has plenty of power. You can also use mid-grade gas in RDX.
Old 01-15-19, 02:22 PM
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Originally Posted by Lex2000TL
Find 2018 RDX CPO. It has 3.5L V6 and, based on multiple sources, a reliable car. I drove it - it drive great and has plenty of power. You can also use mid-grade gas in RDX.

Reliability aside, the 2019 is a huge improvement over the prior gen. I drove both. It’s a night and day difference.
Old 01-15-19, 03:28 PM
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Originally Posted by Lex2000TL
Find 2018 RDX CPO. It has 3.5L V6 and, based on multiple sources, a reliable car. I drove it - it drive great and has plenty of power. You can also use mid-grade gas in RDX.
Are you recommended to use premium gas in Lexus? I haven’t heard this. Driving the two cars- I much prefer the RDX, roomier and that panoramic sky roof is high on my preference list, but ultimately just want reassurances it will go the distance. I asked the sales rep to research how many owners have kept theirs running 9+ years. He’s found none yet, my Dad has several (not NX bc it’s not that old) off the top of his head whose Lexus IS over 300k and older than 10, again -anecdotal but reassuring.
Old 01-15-19, 03:41 PM
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Originally Posted by Ma23peas

Are you recommended to use premium gas in Lexus? I haven’t heard this. Driving the two cars- I much prefer the RDX, roomier and that panoramic sky roof is high on my preference list, but ultimately just want reassurances it will go the distance. I asked the sales rep to research how many owners have kept theirs running 9+ years. He’s found none yet, my Dad has several (not NX bc it’s not that old) off the top of his head whose Lexus IS over 300k and older than 10, again -anecdotal but reassuring.

The NX requires premium fuel as does the RDX. The new RDX is an unknown due to the redesign. Comparing to the previous years won’t matter as it’s a different engine and transmission.

I also liked the pano roof in the RDX but there are no incentives on the RDX. You’re going to pay a premium for it. I got a loaded NX Fsport for less than the ASpec RDX.
Old 01-15-19, 04:44 PM
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Lex2000TL
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NX 200t turbo requires premium fuel. RDX recommends premium and tolerates mid-range well, and even regular. Friend of mine drives RDX with V6 and uses mid-range exclusively for years now.
Old 01-15-19, 05:15 PM
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Originally Posted by Lex2000TL
NX 200t turbo requires premium fuel. RDX recommends premium and tolerates mid-range well, and even regular. Friend of mine drives RDX with V6 and uses mid-range exclusively for years now.
Does the new RDX with 2.0T tolerate mid-range fuel? Using lesser grade fuel with engines that recommend or require premium can lead to decreased power and/or gas mileage.


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