Does every Cadillac DTS have only a 4 speed transmission - I was thinking of buying a used one
4 speed transmission in all DTS's - really? I was thinking of buying one. Seems odd for an 8 cylinder vehicle. Do they only come
with 4 speeds? thanks
The 4T80 automatic is the only trans available. It is the only trans built strong enough to handle the power of the V8. 4 spds are fine. I think the less a trans has to shift the better. Your not going to get better MPG going for 5 or 6 speeds in a 290HP V8.
As the man above says, you dont need any more than 4 speeds. In 4th gear on the highway, at 70mph, the tach reads just below 2000 RPM. You cant ask for less wear on an engine that that. Besides it gets 27-28 miles pe gallon at that speed. Perfect.
Thanks so much! I hadn't thought about the big engine grinding the transmission - seems to make more sense now. The Canadian gallon is larger than the American gallon so I think I can look forward to at least 35mpg. That's about what I get from my 3.2litre CTS (2003) now. I will definitely continue my search for a used DTS. Thanks!
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