What is your favourite engine configuration?
What is your favourite engine configuration?
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Discussion

cerb4.5lee

Original Poster:

40,796 posts

201 months

Thursday 18th September 2025
quotequote all
Do you prefer an engine in a V configuration?(V6/V8 etc), or do you prefer a straight 6 or a 3/4 or 5 inline configuration?

For me personally it would be a V8, but I also have a soft spot for a straight 6/V6 engine too though.

So what is your favourite engine configuration?

brillomaster

1,652 posts

191 months

Thursday 18th September 2025
quotequote all
A multiple of 5 or 6 for me.

Realistically, a 6 cylinder. In order of preference, flat 6, v6 then straight 6.

Oddball choice would be an inline 5, or a v10.

Never really been a v8 fan, but my next fun car might be a v8 as I can't afford the v10 version.

markcoopers

717 posts

214 months

Thursday 18th September 2025
quotequote all
You can’t answer that, all have merit, and it depends on its application. Not all V8’s (and any other configurations )are equal.

Besides the answer is NA anything on open itb’s.

cerb4.5lee

Original Poster:

40,796 posts

201 months

Thursday 18th September 2025
quotequote all
markcoopers said:
You can t answer that, all have merit, and it depends on its application. Not all V8 s (and any other configurations )are equal.

Besides the answer is NA anything on open itb s.
I deliberately didn't mention turbo's either...because that is another can of worms too! biggrin

It is a bit difficult to answer as you say, and in my ideal world, I'd love to put the S55 engine from the F82 M4 into an E30 M3 for example. I'd imagine that engine in something as relatively light as the E30 would be an absolute riot for sure. driving

Crumpet

4,933 posts

201 months

Thursday 18th September 2025
quotequote all
TLDR: NA or Supercharged V8 > Any V12 > Straight six > Any other 5/6/8 > 3 cylinder > 4 cylinder

Never really been overly excited by V6s, even though I’ve had five of them. Also not particularly taken by my current flat six but do like the sound of a high revving GT3 flat six. I did like the straight six in a Z4M I had for a while.

All my favourite cars have been V8s, with the best being the supercharged Jaguar 5.0 litre. That engine is just awesome. Although I’m not fussed about modern turbo V8s.

I also enjoyed the Aston twin turbo V12.


markcoopers

717 posts

214 months

Thursday 18th September 2025
quotequote all
cerb4.5lee said:
I deliberately didn't mention turbo's either...because that is another can of worms too! biggrin

It is a bit difficult to answer as you say, and in my ideal world, I'd love to put the S55 engine from the F82 M4 into an E30 M3 for example. I'd imagine that engine in something as relatively light as the E30 would be an absolute riot for sure. driving
See I would rather tune the original 4pot to an air ripping monster. Sure I might be some 100+bhp off of your V8, but far happier. However would I want the same tuned motor in the M4….nope. But the Z4 GT3 with the V8 is a personal fav.

That said Please Santa can I have a BDA engine?

EK9_CTR

679 posts

155 months

Thursday 18th September 2025
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NA V8 every time. Especially after my recent purchase which is powered by the legendary M156.

DaveTheRave87

2,153 posts

110 months

Thursday 18th September 2025
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3 Cylinder Turbo.

I'm not going to try to claim it's the best because it would be very easy to prove me wrong but it's my favourite.

It's unbalanced nature gives it character and that character shows through at low speeds so it can put a smile on your face while you're negotiating rush hour ring road traffic.

Xenoous

2,048 posts

79 months

Thursday 18th September 2025
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I'm very partial to the i5 of the Volvo T5 in the Focus. I loved the sound it made and miss mine dearly. One of the best sounding cars on our roads, in my humble opinion.

otolith

64,718 posts

225 months

Thursday 18th September 2025
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Then a straight six.


fido

18,294 posts

276 months

Thursday 18th September 2025
quotequote all
EK9_CTR said:
NA V8 every time. Especially after my recent purchase which is powered by the legendary M156.
Waits for OP to mention M3 ..

BrettMRC

5,407 posts

181 months

Thursday 18th September 2025
quotequote all
Rotary every time, 2 or 3 rotors are lovely - I've never had, and probably never will get the chance to try a 4 rotor though.


Pistons... 4 is boring, almost any other combination is better from a feel and sound perspective.

Riley Blue

22,822 posts

247 months

Thursday 18th September 2025
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Having owned or driven cars with engines having three, four, five six and eight cylinders it's the first and last that impressed me the most for polar opposite reasons. One needed wringing within an inch of its life to get the best out of it whilst the other effortlessly did what it said on the tin.

anyoldcardave

1,081 posts

88 months

Thursday 18th September 2025
quotequote all
Just from my car history and the best cars I have owned, straight 6. Love a V8, but not the fuel bills, quite like the 5,s too, got two at the moment. ST and T5.

I was once told that straight 6 and V12 are the only ones naturally balanced, no idea if it is true.?

GAjon

3,981 posts

234 months

Thursday 18th September 2025
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I’m sort of attached to my V6s.



cerb4.5lee

Original Poster:

40,796 posts

201 months

Thursday 18th September 2025
quotequote all
fido said:
EK9_CTR said:
NA V8 every time. Especially after my recent purchase which is powered by the legendary M156.
Waits for OP to mention M3 ..
hehe

The pitch forks will probably come out for me, but I did prefer N62 V8 4.8 NA in the X5 in comparison to the S65 V8 4.0 NA in the M3 though. getmecoat

cerb4.5lee

Original Poster:

40,796 posts

201 months

Thursday 18th September 2025
quotequote all
otolith said:


Then a straight six.
I wouldn't mind trying a rotary engine to see what they're like, I always thought the RX8 made a bit of a funny noise though. Plus I've lusted after the RX7 for as long as I can remember too. cool

andy43

12,401 posts

275 months

Thursday 18th September 2025
quotequote all
V8 all day long. Maybe V6 second.
The straight sixes I’ve had (eg one of BMWs best the N52) were great but not a patch on a V8.
Note : I haven’t had a V10/12 yet smile

fido

18,294 posts

276 months

Thursday 18th September 2025
quotequote all
cerb4.5lee said:
The pitch forks will probably come out for me, but I did prefer N62 V8 4.8 NA in the X5 in comparison to the S65 V8 4.0 NA in the M3 though. getmecoat
The N62 wasn't the best display of BMW engineering - valve stem seals failing, excessive coolant loss ...

4 is 'boring' but it's also the 'right' length. Hence it's popularity and V8s.

rottenegg

1,058 posts

84 months

Thursday 18th September 2025
quotequote all
Straight 6 hooked up to a decent auto for everyday commuting smoothness, and a V8 for fun.

4 pots and manuals have been evacuated from my life, permanently, because after 30+ years of using them, I've come to the conclusion they are sheet.