IS 500 transmission
The auto mode on my Golf R is actually just as good if not better than manual mode to be honest. I have driven an M2 with DCT and it was a less automatic-like though, it seems like BMW tunes the clutches to engage at a much higher RPM on those cars, the VW DSG is almost like a regular automatic and never rolls back or anything like that.
I think more research is needed into that, it's always been my impression that dual-clutches are amongst the heaviest transmission type on average, at the very least they are much more similar to a torque converter than a manual or single-clutch automated transmission in weight.
I currently drive a Golf R with DSG and it's basically seamless (although it suffers from very slightly rough shifts in manual mode if the fluid is totally cold, the only flaw I can find in 30k miles). I personally don't think DSGs are 'jerky' at low speeds, if you know how to drive a manual transmission (and therefore understand clutch engagement) you'll have no problem being 100% smooth in a dual-clutch.
I currently drive a Golf R with DSG and it's basically seamless (although it suffers from very slightly rough shifts in manual mode if the fluid is totally cold, the only flaw I can find in 30k miles). I personally don't think DSGs are 'jerky' at low speeds, if you know how to drive a manual transmission (and therefore understand clutch engagement) you'll have no problem being 100% smooth in a dual-clutch.
I think it's all relative. You don't need to know how to drive a manual to be smooth in an auto... Obviously some of the latest DCTs are amazing in how smooth they are.
But in any case, I agree that no DCT I've driven has ever been jerky outside of stop-and-go traffic and even then, you can drive around the problem by being very gentle with your inputs.
I've been driving mine around town for a week now or so. Sure, it's not a DCT or as fast as a ZF, but it is comfy in normal mode and responsive enough with the paddles in Sport/Sport S+. The only thing I've noticed is the roughish downshift going into 1st gear when coming to a stop. I really only notice when engine braking to almost a complete stop. Basically rolling from 30-10 mph or so and get a little jerk/bump into 1st. It's still faster shifting than anything I could do in the 6 spd MT car the IS500 replaced.
I've been driving mine around town for a week now or so. Sure, it's not a DCT or as fast as a ZF, but it is comfy in normal mode and responsive enough with the paddles in Sport/Sport S+. The only thing I've noticed is the roughish downshift going into 1st gear when coming to a stop. I really only notice when engine braking to almost a complete stop. Basically rolling from 30-10 mph or so and get a little jerk/bump into 1st. It's still faster shifting than anything I could do in the 6 spd MT car the IS500 replaced.
In the GSF I drove I sometimes wanted to accelerate quickly in traffic situations without experiencing the more aggressive shifts, but it seemed to do it as a function of throttle level rather than mode - but I couldn't really tell for sure as it was a short drive.
Have only driven a GSF but waiting to drive an IS500 before I decide to buy one - does the car do the "fast" (slightly harsher) upshifts in Normal mode, or are those reserved for Sport / Sport S+ modes?
In the GSF I drove I sometimes wanted to accelerate quickly in traffic situations without experiencing the more aggressive shifts, but it seemed to do it as a function of throttle level rather than mode - but I couldn't really tell for sure as it was a short drive.
In the GSF I drove I sometimes wanted to accelerate quickly in traffic situations without experiencing the more aggressive shifts, but it seemed to do it as a function of throttle level rather than mode - but I couldn't really tell for sure as it was a short drive.
From the limited testing I've done, it does hit harder in Sport S+ mode and also holds the gears longer in auto mode. I don't mind a little theater though.
A dual clutch driven aggressively will generally have fairly seamless shifts at high RPMs that can't really be felt. The engine feels like it is just instantly in the next gear with no drama or jerking feeling.
The Lexus 8-speed, on the other hand, shifts quickly and hard but does so by (mildly) slamming the next gear home. It's not harsh, and my wife who was with me in the GSF didn't think anything of it, but coming from a dual-clutch it's very much an old school feeling and I personally want to drive an IS 500 for a longer journey before ditching my precious dual-clutch car.
With respect to DCTs being smooth - yes, for the most part they are. A couple of exceptions I noticed were in the Macan Turbo and the GLI. The Macan would give a little bit of a hit during a shift if I was in Sport or Sport Plus and giving it nearly full throttle or more. Same with the GLI - with the transmission in "S" Sport mode, I guess, it would kick just slightly between shifts. But, in all other cases, it was smooth. The DSG in my Mk7 GTi and the Boxster S I drove were seamless all the time with no engineered shift shock.
The RC F I drove definitely had a little kick to its gear changes at high RPM as well.
The RC F I drove definitely had a little kick to its gear changes at high RPM as well.
It’s so jerky and unrefined….something I typically wouldn’t associate with a luxury car. I guess it’s supposed to act this way?
Mine does this too, but I noticed its not going into first gear. I watched the gear indicator and it happens at slow speed, coming to a stop, in 5th gear but the gear indicator doesn't change when I feel it. Almost like the converter is unlocking or the gear indicator is slow.
You really don't need to engine brake from 2nd to 1st (and you shouldn't for safety reasons). At that point the downshifts have already done their job to slow you at least 50% down. I'll usually downshift to 2nd and apply the brakes the rest of the short distance starting at 15-20 mph. Smooth all the way.
Last edited by macmaster; Feb 15, 2022 at 10:43 AM.
Yeah I guess I assumed it was maybe shifting into first, but the gear indicator doesn't seem fast enough to keep up when you are in D mode. I notice the behavior when in normal D automatic mode coming to stop without brakes.
Even the 350 behaves like that. Sometimes I wonder if it's fine, but owners have seen this behavior since this 3IS launched with no other issues with the transmissions.
I am curious - with the 500, do owners ever experience any rev flare when the car is cold? I sometimes get a small rev flare when shifting from 2nd to 3rd gear on a cold start. The issue goes away after the first time I accelerate.
I am curious - with the 500, do owners ever experience any rev flare when the car is cold? I sometimes get a small rev flare when shifting from 2nd to 3rd gear on a cold start. The issue goes away after the first time I accelerate.
Even the 350 behaves like that. Sometimes I wonder if it's fine, but owners have seen this behavior since this 3IS launched with no other issues with the transmissions.
I am curious - with the 500, do owners ever experience any rev flare when the car is cold? I sometimes get a small rev flare when shifting from 2nd to 3rd gear on a cold start. The issue goes away after the first time I accelerate.
I am curious - with the 500, do owners ever experience any rev flare when the car is cold? I sometimes get a small rev flare when shifting from 2nd to 3rd gear on a cold start. The issue goes away after the first time I accelerate.











