3.8L SKYACTIV Straight-6, Anyone? - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 22 (permalink) Old 07-26-2018, 02:11 AM Thread Starter
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3.8L SKYACTIV Straight-6, Anyone?

Always imagined what this would be like. Pray to god Mazda will build something like this in the future. The upcoming Mazda 6 is rumored to be RWD and offered with either Mazda's 2.5L SKYACTIV X or a Twin-Turbo 3L V6 as the upgraded engine option, but I think it would make really good sense to just make an Inline-6 version of their excellent 4 cylinder. easily doable, commonly used and great way to cut costs while improving sales, and actually a very good idea, as Inline 6's are just about as perfect as an engine design gets. Mazda's excellent engine tech would make the rest of their future competition useless. Whether it's compression ignition and supercharged, Turbo, or NA, I can only imagine how good a Mazda Inline-6 would be.

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post #2 of 22 (permalink) Old 07-26-2018, 03:48 AM
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I've driven two L6 motors for years (L24 Nissan and 2F Toyota) and they are wonderful.

Balanced and smooth but thirsty.


Mazda's take on this format would be wonderful in 6 cylinders.


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post #3 of 22 (permalink) Old 07-26-2018, 08:15 AM
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An Inline 6 version of their current 2.5L Inline 4 be amazing especially RWD making it a 3.7L & with a 6spd be sweet little package. I know it's wishful thinking but adding a turbo to the mix & you've got a serious machine plus the aftermarket upgrades would be much better than it's current market.

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post #4 of 22 (permalink) Old 07-26-2018, 08:34 AM
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post #5 of 22 (permalink) Old 07-26-2018, 09:41 AM
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RWD and a hotted up 4 or 6 cylinder engine - isn't that basically a Infiniti Q50?


Really curious if Mazda can get the HCCI tech to work reliably and what the real-world results would look like.
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post #6 of 22 (permalink) Old 07-26-2018, 10:21 AM
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I'd want it to be a 3.0L inline 6. Scale up the 2.0L Skyactiv. But if they want to compete, it would probably have to be bigger. RWD would be sweet.

My last car was an inline 6 (BMW 330i). My oh my, that was a sweet engine. Smooth, efficient, plenty of power, and it made all the right noises.

In my mind I'm imagining a Kia Stinger competitor, but with much nicer styling.

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post #7 of 22 (permalink) Old 07-26-2018, 10:28 AM
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Oh man, straight 6 with RWD, that's getting pretty close to my dream car. Turbos are all well and good (I drive one!) but I'd take a bigger NA engine with equivalent power anytime.

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post #8 of 22 (permalink) Old 07-26-2018, 11:25 AM Thread Starter
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Quote:
Originally Posted by DrFeelGood View Post
I've driven two L6 motors for years (L24 Nissan and 2F Toyota) and they are wonderful.

Balanced and smooth but thirsty.


Mazda's take on this format would be wonderful in 6 cylinders.
BMW's Inline 6's, even the older ones are incredibly efficient for their torque outputs. my 2011 528i, a 3900 pounds vehicle got 32MPG on the highway. no matter how hard I drove it in the city, I never managed to get below 20MPG.
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post #9 of 22 (permalink) Old 07-26-2018, 11:27 AM Thread Starter
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Quote:
Originally Posted by LeMansteve View Post
I'd want it to be a 3.0L inline 6. Scale up the 2.0L Skyactiv. But if they want to compete, it would probably have to be bigger. RWD would be sweet.

My last car was an inline 6 (BMW 330i). My oh my, that was a sweet engine. Smooth, efficient, plenty of power, and it made all the right noises.

In my mind I'm imagining a Kia Stinger competitor, but with much nicer styling.
Mazda's chassis and engine tuning is in a different league from Kia all together. I would prefer a larger displacement Inline 6. BMW has made plenty of 3L inline 6's already. it's a sufficient amount of torque and power, but a well designed large displacement inline-6 is what will really set things apart from the competition.
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post #10 of 22 (permalink) Old 07-26-2018, 11:28 AM Thread Starter
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Quote:
Originally Posted by dasrider View Post
RWD and a hotted up 4 or 6 cylinder engine - isn't that basically a Infiniti Q50?


Really curious if Mazda can get the HCCI tech to work reliably and what the real-world results would look like.
Apparently they already have. an Inline 6 would make far better use of this technology than a 4 cylinder. its perfectly balanced and does not require balancing shafts.
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