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What's the point of buying a car with 4 or 6 cylinder engines?

Linux23

Linux23

Lifer
For example, the 300C gets 25/17 city/highway, while something like a six-cylinder Maxima gets about 20/28. My father's Grand Marquis gets over 30MPG on the highway.

So what's the point in manufacturing small engines when fuel economy is slight better than that of an 8-cylinder engine.

Note: My 2K Maxima gets me barely 25MPG on the highway.
 
You say no better, but I see 3miles more per gallon in the example you gave. 25mpg? How do you drive, and how well do you maintain your car?

Yea, its only 3 miles better in the maxima then the 300c, but say in a 15 gallon tank, thats 45 miles you got extra. Assuming you fill up every week, thats 52 fillups, coming out to 45 x 52 = 2340. Iono about you, but suddenly being able to drive across america is pretty good.

What about the 35mpg civics and corollas. Yea, that 4 cylinder gets almost the same gas mileage as your 300c. Edmunds says the 2003 corolla LE gets 32-40. That means per gallon, it goes an extra 15 miles. That gets you 225 miles per tank, which gives you 11700 miles per year, with weekly fillups. If there was a super highway around the equator, you could drive around the earth on that extra mileage.

You say your dad got 30mpg on the highway, well he seems to know how to drive, since its rated at 25.

EDIT: moved some stuff around

EDIT2: Added a corolla

EDIT3: Added info on Grand Marquis
 
"My father's Grand Marquis gets over 30MPG on the highway."

Your dad is telling you stories.

I can think of at least one good reason... size. HTF are you going to shoehorn an engine AND transaxle under the hood of today's cars? Hell, Ford can't even fit a decent sized V8 under the hood of that G. Marquis! Damn cars are too small these days... :frown:
 
I can think of at least one good reason... size. HTF are you going to shoehorn an engine AND transaxle under the hood of today's cars? Hell, Ford can't even fit a decent sized V8 under the hood of that G. Marquis! Damn cars are too small these days...
Click to expand...

Ain't that the truth! Today's Crown Vic would be a compact car in 1970.

Cheers!
 
PSA: EPA estimates found on the sticker are not necessarily accurate to real life results.

Also, the differences between large engines/cars and smaller ones will be greater in city driving than highway.
 
I have no idea how, but the Buick Regal I rented last summer gave me 40 mpg on my drive from Denver to Phoenix. I triple checked the calculation to make sure it was accurate because I could not believe it.

My 4 cylinder grand am averages about 27 mpg.
 
Originally posted by: DAGTA
I have no idea how, but the Buick Regal I rented last summer gave me 40 mpg on my drive from Denver to Phoenix. I triple checked the calculation to make sure it was accurate because I could not believe it.

My 4 cylinder grand am averages about 27 mpg.
Click to expand...



8 cylinder?:Q
 
Originally posted by: Linux23
For example, the 300C gets 25/17 city/highway, while something like a six-cylinder Maxima gets about 20/28. My father's Grand Marquis gets over 30MPG on the highway.

So what's the point in manufacturing small engines when fuel economy is slight better than that of an 8-cylinder engine.

Note: My 2K Maxima gets me barely 25MPG on the highway.
Click to expand...

you know youv got the ratings wrong for that 300c. and a Grand marquis getting 30mpg?? Dang that was a big arse hill
 
Originally posted by: Linux23
Originally posted by: DAGTA
I have no idea how, but the Buick Regal I rented last summer gave me 40 mpg on my drive from Denver to Phoenix. I triple checked the calculation to make sure it was accurate because I could not believe it.

My 4 cylinder grand am averages about 27 mpg.
Click to expand...



8 cylinder?:Q
Click to expand...

I thought it was a 6 cylinder but I honestly don't know. It was a one day, one way, rental and I wasn't in a great mood at the time so I didn't bother taking any more notes than my shock at the gas milage. (anytime I fill up my car or a rental, I reset the trip counter and then automatically calculate the mpg on my next fillup).
 
Originally posted by: Ornery
"My father's Grand Marquis gets over 30MPG on the highway."

Your dad is telling you stories.

I can think of at least one good reason... size. HTF are you going to shoehorn an engine AND transaxle under the hood of today's cars? Hell, Ford can't even fit a decent sized V8 under the hood of that G. Marquis! Damn cars are too small these days... :frown:
Click to expand...

Ornery, I drove the car from NJ to South Carolina, and I calculated the gas mileage mysellf. It was over 30mpg at the time. This was a 88 Grand Marquis with the 5.0 liter V8 though.

His new 04 gets slightly less with smaller displacement, but it's still better than my car's small block V6 engine.
 
Originally posted by: Ornery
"My father's Grand Marquis gets over 30MPG on the highway."

Your dad is telling you stories.

I can think of at least one good reason... size. HTF are you going to shoehorn an engine AND transaxle under the hood of today's cars? Hell, Ford can't even fit a decent sized V8 under the hood of that G. Marquis! Damn cars are too small these days... :frown:
Click to expand...

I've seen 30MPG in the Vandura. With a bad fuel pump, running sick lean.
 
Originally posted by: Linux23
For example, the 300C gets 25/17 city/highway, while something like a six-cylinder Maxima gets about 20/28. My father's Grand Marquis gets over 30MPG on the highway.

So what's the point in manufacturing small engines when fuel economy is slight better than that of an 8-cylinder engine.

Note: My 2K Maxima gets me barely 25MPG on the highway.
Click to expand...

Your grandfather has one HELL of a grand marquis. My 1991 barely broke 25mpg doing regular highway duty. When I had it loaded down moving from KS to SC, I was getting about 22mpg, 100% interstate 65-70mph driving. My grandfather bought a 1997 marquis a few years ago and said it actually gets slightly lower mileage than my 91 did. My 4 banger Toyota Matrix on the other hand, loaded down, got 39mpg doing the same trip.

Big difference IMO. But what gets me is that my 4 banger only has 20hp less than that V8 did, but gets nearly double the mileage. (Torque however, is obviously lower.)

But no really, 30mpg is incredible milage considering a 2005 Marquis is only rated at 17/25.
 
Some 8 cyls may get good mileage on the highway, but in the streets it's a completely different story.

Even on the highway a lot of compacts get well over 30 mpg, while a typical V8 is well below that mark. Compare them in the city and they're usually not even close.
 
Originally posted by: Syringer
Some 8 cyls may get good mileage on the highway, but in the streets it's a completely different story.

Even on the highway a lot of compacts get well over 30 mpg, while a typical V8 is well below that mark. Compare them in the city and they're usually not even close.
Click to expand...

my Maxima gets 15-16mpg in the city. 🙁
 
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