Modern reliable automatic transmissions

I like 6 speed autos. You can still get one in certain GMs (Trax, etc) or Mazdas. But when so many reviewers complain that “it has an outdated 6 speed autos” I get why car companies add speeds. Then they make it an 8, 9, or 10 speed and the reviewers complain it hunts for gears or shifts inconsistently. Then they put in a CVT and we all complain about it. lol!
6 is perfect IMO. Would entertain 8 but 10 seems unnecessary. Both of my vehicles are 6-speeds, one auto and one manual, and I've never wanted more gears. Obviously ratios play a big part, but I have owned 5 speeds where I've wanted a 6th.
 
Nissan Jatco RE5R05 is bullet proof. Used in Frontier to 2019, and earlier than that Titan, Xterra, Pathfinder, a bunch of infiniti RWD and Kia and Subaru used it in some models also. Old school, 5 speed with a dipstick. I have 420K miles on one, 235K miles on the other.

Yes it is.
I almost mentioned it but hesitated, lest I be ridculed as a confused "nissan fanboy", sigh
 
VW DSG with the 40K mile fluid changes. Plus better shifting than all the torque fluid based transmissions.
But it’s a VW! Jk, I got one and it’s amazing compared to standard slush boxes.

VW DQ250 DSG, Nissan RE5R05A, ZF8 get my votes. I also like the Mercedes 5G Tronic - very reliable but it’s 2 generations old now.
 
Allison period.
My opinion- maybe transmissions strated out ok design wise- but the beancounters killed their reliability. Thinking 6L80
 
Lamenting the simplicity of the manual trans. relative to the high multi-speed automatic transmissions but must admit they are almost seamless after the first few gears. Good luck if they fail as cost of repair may preclude retaining ownership, but the manufacturers seem to have a better handle on it with the current models.

As an aside just watched a video pushed to me on the top ten cars owners return for resale due to reliability and high cost of ownership. Multiple Land Rover and Mercedes models heavily featured along with BMW. Not been my experience, but as a diy mechanic do all of my own work whenever possible and usually exceed maintenance schedules. Have to wonder if today's everyday owners are not as vigilant on maintenance to avoid costs given the expense of a service, or perhaps there is a decline in the quality of workmanship at the dealers. Ultimately, they will pay for it, or the next owner may. Questioning my former strategy of buying off lease vs new to save a few thousand dollars. May not be prudent decision for late model vehicles?
 
The 6r80 in my Navigator L 4x4 is built like a tank. 174,000mi on it now. Didn’t get its first fluid change until I bought it at 140,000. I did a pan drop, filter change, and 3 total drain and fills with Amsoil ATL. It’s been smooth as silk, hauls a family of 6 regularly (at 6980lbs gross in that config) and pulls my 33ft 7500lb camper without missing a lick. I added a larger Mishimoto transmissionmission cooler to replace the factory one. Transmission temps hang around 204 (as factory intended) with hill spikes to 225 or so on a mountain climb in 95 degree temps and it cools back down within a mile or two. Never a hiccup or misbehavior.
 
Lamenting the simplicity of the manual trans. relative to the high multi-speed automatic transmissions but must admit they are almost seamless after the first few gears. Good luck if they fail as cost of repair may preclude retaining ownership, but the manufacturers seem to have a better handle on it with the current models.

As an aside just watched a video pushed to me on the top ten cars owners return for resale due to reliability and high cost of ownership. Multiple Land Rover and Mercedes models heavily featured along with BMW. Not been my experience, but as a diy mechanic do all of my own work whenever possible and usually exceed maintenance schedules. Have to wonder if today's everyday owners are not as vigilant on maintenance to avoid costs given the expense of a service, or perhaps there is a decline in the quality of workmanship at the dealers. Ultimately, they will pay for it, or the next owner may. Questioning my former strategy of buying off lease vs new to save a few thousand dollars. May not be prudent decision for late model vehicles?
Most drivers can’t even check their tire air pressure. Anything beyond filling it with gas is outside of their capability, so to them, luxury marques are going to be expensive to maintain when you’re paying luxury dealership repair costs and have zero clue about basic vehicle inspection and maintenance.

If you’re DIY like we are, they are no more expensive than any other vehicle.
 
VW DSG with the 40K mile fluid changes. Plus better shifting than all the torque fluid based transmissions.
I love the way these shift, but the first gear creep always has me wondering when the clutch will wear out.
 
Lamenting the simplicity of the manual trans. relative to the high multi-speed automatic transmissions but must admit they are almost seamless after the first few gears. Good luck if they fail as cost of repair may preclude retaining ownership, but the manufacturers seem to have a better handle on it with the current models.

As an aside just watched a video pushed to me on the top ten cars owners return for resale due to reliability and high cost of ownership. Multiple Land Rover and Mercedes models heavily featured along with BMW. Not been my experience, but as a diy mechanic do all of my own work whenever possible and usually exceed maintenance schedules. Have to wonder if today's everyday owners are not as vigilant on maintenance to avoid costs given the expense of a service, or perhaps there is a decline in the quality of workmanship at the dealers. Ultimately, they will pay for it, or the next owner may. Questioning my former strategy of buying off lease vs new to save a few thousand dollars. May not be prudent decision for late model vehicles?
I’ve bought three BMWs, one Mercedes and one Jeep off lease and had no issues with any of them.
 
Reassuring to read.....
I’ve bought three BMWs, one Mercedes and one Jeep off lease and had no issues with any of them.
For the added comfort I will try the dealership first and eat the extra cost on the assumption they did a thorough once over and have checked in to the history and maintenance. Successful so far with my decision and vehicle choices over the last ten years.
 
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