C7 mpg
Thread Starter
Intermediate
Joined: Dec 2022
Posts: 39
Likes: 92
From: United Kingdom
C7 mpg
Just completed a 1490 mile round trip from the UK to the South of France in the C7 with a mix of motorways and rural roads returning an average of 33.4mpg. Super impressed with the fuel economy for a 6.2 V8!
Fuel costs a little more than you guys in the US at the equivalent of $9.78 per gallon... but worth it for the V8 noise and permanent grin.
Fuel costs a little more than you guys in the US at the equivalent of $9.78 per gallon... but worth it for the V8 noise and permanent grin.
Safety Car
Joined: Mar 2006
Posts: 4,537
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From: Chester VA
Sounds like a great trip; must have seen a ton of sights!
How much of a novelty are C7s 'over there'? Are there enough that they're considered somewhat usual, or are they few and far between?
How much of a novelty are C7s 'over there'? Are there enough that they're considered somewhat usual, or are they few and far between?
Thread Starter
Intermediate
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From: United Kingdom
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That is excellent mpg from your C7. Nice of GM to make such an economy car.
Racer
Joined: Apr 2020
Posts: 425
Likes: 272
From: Cape Coral,FL
Just completed a 1490 mile round trip from the UK to the South of France in the C7 with a mix of motorways and rural roads returning an average of 33.4mpg. Super impressed with the fuel economy for a 6.2 V8!
Fuel costs a little more than you guys in the US at the equivalent of $9.78 per gallon... but worth it for the V8 noise and permanent grin.
Fuel costs a little more than you guys in the US at the equivalent of $9.78 per gallon... but worth it for the V8 noise and permanent grin.
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Burning Brakes
Joined: Apr 2018
Posts: 882
Likes: 486
I had a base C6 that got an average of 25-28 mpg. My C7 Z51 barely gets 21mpg, but it runs perfectly so I hate to mess with it.
I think it is the Z51 gearing that lowers the mpg but who knows. I only use Costco premium gas so it's not the gas.
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Intermediate
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From: United Kingdom
Drifting
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From: Melbourne FL
Safety Car
Joined: Nov 2000
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From: SIOUX FALLS SD
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Yes the mileage is great on a road trip and I get much better mileage with my C7 then my Z-51 C6. The DIC indicated 32.6 mpg on a 500 mile road trip with a tail wind. $9.78 per gallon is high priced for sure.
Burning Brakes
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From: MSP
Le Mans Master
Joined: Aug 2015
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From: Toronto
I did a 800 mile roadtrip in our Jeep Trackhawk. 95% hwy and I was very easy on the throttle cause my wife can get motion sickness. The DIC equivalent said I got 21 mpg. The Trackhawk forum members said not possible. I then calculated myself based on mileage and gas receipts. I got 3 mpg lower. I dont trust the cars system to provide 100% accurate results.
However the C7 does get really awesome mileage given what it is.
Safety Car
Joined: Mar 2006
Posts: 4,537
Likes: 5,124
From: Chester VA
I did a 800 mile roadtrip in our Jeep Trackhawk. 95% hwy and I was very easy on the throttle cause my wife can get motion sickness. The DIC equivalent said I got 21 mpg. The Trackhawk forum members said not possible. I then calculated myself based on mileage and gas receipts. I got 3 mpg lower. I dont trust the cars system to provide 100% accurate results.
However the C7 does get really awesome mileage given what it is.
Team Owner
Joined: Jul 2004
Posts: 28,424
Likes: 3,276
From: Hartford WI
I will say this. The fuel used part is definitely reliable. It is within a couple tenths of a gallon based on what it says and what the pump deposits in the tank. Will have to calculate the mpg sometime to see if it is good.
Team Owner
Joined: Jul 2004
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From: Hartford WI