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  1. #1
    Active Member One Ring
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    Is the 2025 rs7 fuel economy really that bad?

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    I've been eyeing up a 2025 rs7 as my dd for a bit now, and was wondering "is it really that bad?"
    what averages do you get per tank?
    I dont drive more than 10k per year.

  2. #2
    Established Member Two Rings
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    Like most cards that are not designed for mpg with tall gearing, etc; it really depends on how you drive it. It's not great, but it's what I expect of a 600 hp machine that weighs almost 2 tons and probably has economy as the last on the list of engineering requirements.

    I can average 14 mpg per a tank no problem driving it 'normal' by RS standards (call it S mode 50% of the time, mix of city short highway and some WOT for S^&% and giggles).

    Never get to this level per the whole tank; but have taken some 40-50 mile trips in 75 mph flow interstate traffic and can average up to 25 on those trips with some 4 cylinder mode.

    It's my daily, but I never even considered fuel economy when purchasing.
    2022 RS7 & 2021 TTRS
    Retired: Macan S, 2019 RS5, 2020 TTS, 2019 S4, 2017 TT, 2014 A6 TDI, 2014 S4, 2011 A4 Avant, 2011 Audi TT Roadster

  3. #3
    Veteran Member Three Rings
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    This car isn't about gas mileage and if you are looking for one with great mpg the A7 is the best option.
    I'm averaging 14 to 15 mpg and it's good enough if you aren't driving much a year. I get 22 plus mpg on highway and close to 400 on a tank highway only.

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  4. #4
    Senior Member Two Rings
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    RS6, A7, CTS-V Wagon 6 speed
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    It's all about smiles per gallon.

  5. #5
    Active Member One Ring
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    Thanks for the replies!! that's not too bad
    Every review I've seen has been making it sound like this thing sucks gas like a tank lol

  6. #6
    Veteran Member Four Rings andru1313's Avatar
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    I have a 24 RS6 really depends on how you drive. I am always in Dynamic sport mode lol. So i get about 320miles on a full tank of 93. I do wish the tank was a bit bigger.

  7. #7
    Senior Member Three Rings
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    I drive mostly local/highway in traffic - my commute is 12 miles but 50-60 minutes. I average 14 mpg - mix of auto/sport. when on a longer commute with less traffic - easy to get 21-23 mpg on the highway but rarely do i ever go above that.

    91 octane cuz cali gas sucks.

    with all that said, none of this was unexpected - slightly worse than my C7 S6 tuned - but its just too fun driving this beast.
    2022 RS6 Daytona Gray

  8. #8
    Established Member Two Rings
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    Andru1313 must have the lightest feet because the only way I get 300+ miles is mostly highway. I get very low 2XX miles and while my car states it's around 14, I calculate more like low 13s. I am tuned and drive mostly congested streets. I achieve 20+mpg on long highway drives driving slightly more than the speed limit ;). As a comparison, my Trackhawk gets close to 15mpg and my tuned 992TT gets 17mpg on the similar daily drive. The Jeep is the closest thing weight wise and it's slighly better with more hp so the RS7 rates low IMHO. Like others have said, it's smiles per miles that count and I have no regret.

  9. #9
    Junior Member One Ring
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    I’ll be honest, MPG’s was never a thought that crossed my mind and never cared to look, but you made me curious. The cost per fill up whether it gets 15 or 20 mpg is negligible. I use mine as a daily driver with mixed city and highway any given day, and my current tank appears to be getting ~15mpg. Annual mileage is about 12k. If fuel cost is a concern there are more efficient and economical vehicles to choose from, if refueling every 300 or so miles is just annoying, I get that, and feel that myself because I don’t have a convenient source of 93 octane. Like others have said smiles per mile are worth something, more to some than others, but still have incredible value. You only live once. I have no regrets on my decision.

  10. #10
    Veteran Member Four Rings FBAnder's Avatar
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    When I do spurts of all heavy traffic city driving in S and dynamic modes to a tank, I average around 10mpg. Could probably push that up a couple mpg it I drove in D and comfort modes (and thus start /stop would be constantly doing its thing) but I don't give it a second thought as this class of car is not something to buy with fuel economy as a high priority item.

  11. #11
    Established Member Two Rings
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    Like everyone has said, MPG is not great. For this type of car - who cares? I don't know of any car with the same OEM specs that would be considered good on gas.

    Other than a Tesla Model S Plaid.

    In which case:
    http://youtube.com/shorts/JWc1q72hHs...SoZIzdCBngXTmz

  12. #12
    Veteran Member Three Rings Maitre Absolut's Avatar
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    Quote Originally Posted by shuz View Post
    Thanks for the replies!! that's not too bad
    Every review I've seen has been making it sound like this thing sucks gas like a tank lol
    No its actually pretty bad.

    More than once I havent reached 300km. Thats less than 180miles. The city stop and go kills mileage.

    On the other hand I have done 600km+ on the highway so it really depends on the mix.

    I do about 6k miles per year so dont really care.
    2023 RS6 | GW / ER | CTS res delete | Ghost links | H&R 10/12
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  13. #13
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    I really don't understand the "no one buys this car for gas mileage" and "pay to play" comments like somehow pissing money away is cool?

    Yes this car should burn more gas than an econobox and you're a bit daft if you expected otherwise, that said this platform is god awful and I don't know what Audi is doing with the gas. My F90 M5 both stock and tuned made more power out of a similar TT V8 and got considerably better city mileage, and I drove it like I stole it. That's with a 5L smaller tank and a lack of expensive 48V hybrid system that fails every 30,000km.

    So no, it's not acceptable mileage if you ask me. Audi needs to get their shit together.
    Last edited by ozgrid; 09-10-2024 at 06:58 PM.

  14. #14
    Established Member Two Rings
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    Do the math. If the BMW gets 5 MPG better, over the course of a year and 10k miles we are talking $400 per year more to drive the Audi. Not negligible but if that's your deal breaker you might as well buy a Prius.

  15. #15
    Veteran Member Three Rings
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    Quote Originally Posted by spyderbret1 View Post
    Do the math. If the BMW gets 5 MPG better, over the course of a year and 10k miles we are talking $400 per year more to drive the Audi. Not negligible but if that's your deal breaker you might as well buy a Prius.
    Well said!! Blows my mind how people spend this much money for a sports sedan and complain too much.

  16. #16
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    Quote Originally Posted by spyderbret1 View Post
    Do the math. If the BMW gets 5 MPG better, over the course of a year and 10k miles we are talking $400 per year more to drive the Audi. Not negligible but if that's your deal breaker you might as well buy a Prius.
    Our gas prices are double yours if not more but the cost really isn't the issue for me. The mileage isn't remotely close to what they advertise, nor that of their competitors. It's a a technical fail on Audis part to get such shit mileage given the bigger tank, lack of HP, 48V system etc. Not going to sell the car over it, but it's still a fail.

    Quote Originally Posted by rexus300 View Post
    Well said!! Blows my mind how people spend this much money for a sports sedan and complain too much.
    You'd expect people to have lesser expectations for more expensive cars? In any other facet, peformance, interior fit and finish etc. you'd have the complete opposite opinion if it didn't meet the manufacure claims and the competitiors benchmark, it's just anything to do with fuel economy falls under the "don't be a cheap bitch" category on the internet.

  17. #17
    Established Member Two Rings
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    Quote Originally Posted by ozgrid View Post
    Our gas prices are double yours if not more but the cost really isn't the issue for me. The mileage isn't remotely close to what they advertise, nor that of their competitors. It's a a technical fail on Audis part to get such shit mileage given the bigger tank, lack of HP, 48V system etc. Not going to sell the car over it, but it's still a fail.



    You'd expect people to have lesser expectations for more expensive cars? In any other facet, peformance, interior fit and finish etc. you'd have the complete opposite opinion if it didn't meet the manufacure claims and the competitiors benchmark, it's just anything to do with fuel economy falls under the "don't be a cheap bitch" category on the internet.
    To say that the mileage isn't remotely close to what they advertise is not an accurate statement. Mileage ratings are not advertisement, they are government audited and confirmed numbers based on a standard test. The problem is that no one is going to drive an RS car like they drive a corolla; so this issue is not the manufacturers 'advertisement', but rather the test is not realistic for all levels of cars and drivers as it relates to the real world. Regardless, they give you a pretty good idea.

    Engineering is about compromise. Want more efficiency, something else has to be sacrificed from a design requirement/standard. So if they focus on fuel economy; who's to say that people aren't here bitching about something else that was sacrificed to increase fuel economy so now the car is not as competitive in the segment. "these low rolling resistance tires don't handle for crap and loose traction too much.", etc etc.

    Audi is far from perfect, but at the RS level I don't expect fuel economy to be high on the list when the system level spec document is drafted; and that's ok by me provided the other targets make me smile.
    2022 RS7 & 2021 TTRS
    Retired: Macan S, 2019 RS5, 2020 TTS, 2019 S4, 2017 TT, 2014 A6 TDI, 2014 S4, 2011 A4 Avant, 2011 Audi TT Roadster

  18. #18
    Veteran Member Four Rings
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    Quote Originally Posted by Maitre Absolut View Post
    No its actually pretty bad.
    More than once I havent reached 300km. Thats less than 180miles. The city stop and go kills mileage.
    On the other hand I have done 600km+ on the highway so it really depends on the mix.
    I do about 6k miles per year so dont really care.
    city driving/stop and go average 16-25L/100KM in mostly RS1 mode.
    highway driving, can get it down to 9-10L/100KM in D. Even less if drive at posted limit of 100Km/H
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  19. #19
    Senior Member Two Rings
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    Why are we even having this discussion?

  20. #20
    Veteran Member Four Rings
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    Quote Originally Posted by ozgrid View Post
    I really don't understand the "no one buys this car for gas mileage" and "pay to play" comments like somehow pissing money away is cool?

    Yes this car should burn more gas than an econobox and you're a bit daft if you expected otherwise, that said this platform is god awful and I don't know what Audi is doing with the gas. My F90 M5 both stock and tuned made more power out of a similar TT V8 and got considerably better city mileage, and I drove it like I stole it. That's with a 5L smaller tank and a lack of expensive 48V hybrid system that fails every 30,000km.

    So no, it's not acceptable mileage if you ask me. Audi needs to get their shit together.
    With cars, everything is relative

    I distinctly remember reading a CAR magazine test of the M5, and they stated they had a sub 150 miles per TANK on the car at times. I don’t think it was a comp either. At the same time on a highway trip, it does much better, being of moderate displacement and long od gearing. The RS6 is no different. How and where you drive are the determining factors in terms of how your car does under your control.

    So perhaps it’s just not the car for you. No harm, no foul.


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  21. #21
    Senior Member Two Rings jmswashere's Avatar
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    Quote Originally Posted by shuz View Post
    I've been eyeing up a 2025 rs7 as my dd for a bit now, and was wondering "is it really that bad?"
    what averages do you get per tank?
    I dont drive more than 10k per year.
    I don't look at gas mileage except when I am on the highway. I fill up when it's low. On the highway during long trips I have gotten around 420-430 miles on one tank.
    Current: 2023 Audi RS6 Avant - Daytona Grey; CCBs; Carbon Optics; AWE Exhaust; OEM RS6-P Bronze Wheels; APR Intake
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  22. #22
    Veteran Member Four Rings
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    city driving...6mpg

    2014 Ibis RS5 w/ Ti. Package AWE Track Edition, ECS 15/10, 034 Transmission Mount, 034 Solid Sway Bar, 034 End Links
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  23. #23
    Veteran Member Three Rings
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    Quote Originally Posted by ozgrid View Post
    Our gas prices are double yours if not more but the cost really isn't the issue for me. The mileage isn't remotely close to what they advertise, nor that of their competitors. It's a a technical fail on Audis part to get such shit mileage given the bigger tank, lack of HP, 48V system etc. Not going to sell the car over it, but it's still a fail.



    You'd expect people to have lesser expectations for more expensive cars? In any other facet, peformance, interior fit and finish etc. you'd have the complete opposite opinion if it didn't meet the manufacure claims and the competitiors benchmark, it's just anything to do with fuel economy falls under the "don't be a cheap bitch" category on the internet.
    Never seen so many typos in one paragraph. Cut the foul language, there is no place for this on this forums and I will escalate this to moderators just to give you a warning.

    Honestly don't take this personally, but no one would even consider mpg as their top reason to choose or not choose this car honestly. Just have fun and enjoy it.

    If you don't enjoy the RS7 because of this problem them do us a favor, go back to the BMW... I had the M3 and M5 before and they are not really that fuel efficient and they have smaller gas tanks. It does not save me that much money compared the RS7 in my daily drives.

  24. #24
    Established Member Two Rings
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    I have mine stage 3 modified. If I drive in D, city and and highway I average about 18mpg to 22mpg. Higher mpg with more highway

    If I drive it is RS mode, like it should be driven, I get about 6 mpg

  25. #25
    Veteran Member Four Rings initiala4's Avatar
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    V8 twin turbo isnt going to give you great mileage compared to A7
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    Formerly - 2003 Audi B6 A4 1.8T QM, 2013 VW Passat Variant 2.0 TSI

  26. #26
    Veteran Member Three Rings Maitre Absolut's Avatar
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    I dont mind the bad mileage but it should have come with a bigger tank
    2023 RS6 | GW / ER | CTS res delete | Ghost links | H&R 10/12
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  27. #27
    Veteran Member Four Rings FBAnder's Avatar
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    Quote Originally Posted by Maitre Absolut View Post
    I dont mind the bad mileage but it should have come with a bigger tank
    Definitely on this one.

  28. #28
    Senior Member Two Rings
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    In my 2024 RS6, I get near 18 MPG around town and have seen a bit over 28 MPG on highway trips at an average of 85 MPH. I am pretty happy with that for a car this heavy with near 600 BHP.

  29. #29
    Junior Member Two Rings
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    Wrong car for mpg concerns.

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