Topic: 2020 Toyota Corolla vs 2020 Honda Civic Head-to-head Comparison

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[BWII]

Well at least the Corolla pulled ahead on the Civic compared to how it did against the Hyundai.  So would that mean then that if all three were in the same room...the Elantra would still be the outright winner?

Anyone else miss the old days with the fuel economy challenge?  I liked those.  Fun times. 


Get it?  HAHA...

[dkaz]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

[Seafoam]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

[dirtyjeffer]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

[Seafoam]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

Have not driven a new turbo civic . My turbo is 16 years so don't know if you would classify it as a modern turbo. It is small though so could spool quickly.
I do have  a boost guage on mine though so I can actually tell when it goes into boost.
I do know if you are easy on it the economy is quite good, almost as good as a normally aspirated miata. Boost is another story.

[dirtyjeffer]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

Have not driven a new turbo civic . My turbo is 16 years so don't know if you would classify it as a modern turbo. It is small though so could spool quickly.
I do have  a boost guage on mine though so I can actually tell when it goes into boost.
I do know if you are easy on it the economy is quite good, almost as good as a normally aspirated miata. Boost is another story.

the twin scroll turbo in our Sorento gets up to speed very quickly...there is barely any lag, and you've got full thrust maybe 1 second after you mash the pedal (likely around 1800 RPM)...just be warned, it drinks fuel if you drive it like that...what you can do is, it drive it lightly...you're still in the boost, but not calling full power, so you are using less fuel.

[Jaeger]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

Yeah - I just literally LOLed at the idea that you can "not activate the turbo".

[CSH]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

What about the engine technology factor. Can we say that a 3L V6 making 150HP from 2018 is more efficient than a 3.L V6 making 150HP from the 80's or the 90's era?

[Seafoam]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

Yeah - I just literally LOLed at the idea that you can "not activate the turbo".

I'm so glad you could get a laugh.

[dkaz]

I wonder if they solved the fuel dilution problem with the 1.5T?

[Fobroader]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

Unless you are talking about an 80s Merkur Skorpio or Saab 900 turbo, a modern turbo needs next to no throttle input to already be building boost.

[dirtyjeffer]

Found the Civic was more fuel efficient during the loop but won't publish those numbers? 

Yes they said it was better if you don't activate the turbo. I find that is true in my case. Once your foot is into it forget about fuel economy.

most modern turbos spool up pretty quickly...i doubt you can "not activate the turbo"...like any car, if you put your foot into it, it will use more fuel...Sir 'O always said it best...if you are asking for 150 hp, you're going to use 150 hp worth of fuel, regardless of whether it's a 3.0L V6 or 1.5T I4.

What about the engine technology factor. Can we say that a 3L V6 making 150HP from 2018 is more efficient than a 3.L V6 making 150HP from the 80's or the 90's era?

sure, but we aren't talking about 30 year old cars...we're talking about new(er) ones...also, i doubt you'll see a modern 3.0L V6 making 150HP...that's weaksauce today...a modern 3.0L V6 today is likely in the 250ish HP range.

[CSH]

Agree with you.

However, say we limit a modern 3L V6 to produce only 150hp (dont know how we would do it). It will be interesting to see if it uses the same amount of gas a turbo. The engine will not spin as crazily as the Turbo so who knows.

[Sir Osis of Liver]

To take advantage of all of current tech a 150hp V6 would be pretty tiny. less than 2L.

But it would still have more mechanical losses due to two sets of cams, 24 valves, and the associated losses of the two extra cylinders thumping around. 

It would be an interesting exercise.

The Honda Goldwing uses a 1.8L flat 6 with about 100hp and 108ft-lb of torque at the wheel. It's not known for great fuel mileage, but bikes are less aerodynamic than cars in general.

[CSH]

Bikes are lighter too..

[dkaz]

The Mazda MX-3 had a 1.8L V6 that produced 130 HP. Fuelly users average between 6 and 12.3 L/100km.

[Sir Osis of Liver]

^ That was a little gem of an engine. Slicker than snot on suede.

[greengs]

I got a newest gen turbo engine after may NA vehicles.  Very impressed so far.  I activate the turbo every single drive and often as torque is amazing and addictive, I put regular gas in it and still gets under 11L/100kms in the city. This is a heavy solid axle brick shape SUV.  Direct comparison V6 engine felt slower, and it uses more gas.  It's going to be hard to pass on a turbo next time around if I have a choice in the same model lineup. 

Longevity/reliability is a whole different topic though. 

[dirtyjeffer]

Agree with you.

However, say we limit a modern 3L V6 to produce only 150hp (dont know how we would do it). It will be interesting to see if it uses the same amount of gas a turbo. The engine will not spin as crazily as the Turbo so who knows.

the engine spins (RPM) all the same...all a turbo does is force more air (and in turn, more fuel) into the engine...with increases air/fuel in the combustion chamber, you get more power.

where the modern lower displacement engines fair better is in relaxed highway driving mostly...if you are driving on a flat highway at 110 km/hr, you likely only need about 40HP (?)...a 1.5T I4 will use less fuel to make 40 HP than a 3.0L V6 since the engine is smaller (less air/fuel needed for a smaller engine, less frictional losses through powertrain, etc).