Transmission, 6 speed automatic, Hydra-Matic, electronically controlled, with overdrive, driver shift control, tap up and tap down

Years 1998–99, 2011, 2016–19 Models 6 Factory citations 8

Also described as Transmission, 6 speed automatic, electronically controlled, with overdriveTransmission, 6 speed automatic, electronically controlled, with overdrive and driver shift control, tap up and tap downTransmission, automatic 4 speed, 4T65-E, heavy dutyTransmission, automatic, 4 speed, 4T65-E, heavy dutyTransmission, automatic, 4 speed, THM 4T65-E, heavy duty

Also documented for Chevrolet Oldsmobile Pontiac

Documented applications

Cascada — Delta II (2016–2019)

2016–2019 Factory-verified

all trims: S; Wikipedia agrees (six-speed automatic)

GM factory document — 2016 buick cascada order guide copy gm authority, p.4, p.10.
GM factory document — 2017 buick cascada order guide copy gm authority, p.4, p.15.
GM factory document — 2018 buick cascada order guide copy gm authority, p.4, p.16.
GM factory document — 2019 buick cascada order guide copy gm authority, p.4, p.16.

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2011 Confirmed

2011: deleted for 2012 per GM Authority 2012 RPO list

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

may be Bonneville equipment (pairs with L67, dropped).

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

Park Avenue — G-body (1997–2005)

1998 Factory-verified

GM factory document — 1998 buick park avenue rpo code list, p.1.

Regal — Epsilon II, 5th gen (2011–2017)

2011 Confirmed

deleted for 2012 (GM's 2012 list)

Riviera — G-body (1995–1999)

1998 Factory-verified

the 1999 list gives the same transmission as MN7

GM factory document — 1998 buick riviera rpo code list, p.1.

This page aggregates every documented appearance of MH7 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.