MPG of A6 C7 Avant 2.0 TDI Black Ed Ultra (manual gearbox)

[TVRV8S]

Before I bought my (manual) car, online sources suggested the MPG would be around 60 MPG with the automatics being around 70.

I knew the car wouldn't end up achieving those figures - they never do.

In 2 years of ownership, I have never achieved anywhere near 50mpg on any kind of road or with any kind of driving. I specifically bought the Ultra to try to get as much

The best average I can get is 44mpg on a long, carefully driven run in Efficiency mode with driver only and no load. That's no better than my fully loaded 2001 diesel Vx Omega.

Is this normal?

In comparison, our 7-seat C4 Grand Picasso 1.6 HDI is difficult to get UNDER 50 MPG and is usually 55 MPG average even with 7 people in it.

Is Efficiency mode the best mode for MPG?

[dean warren]

I can get 38mpg out of my 2021 S6 Avant on a steady motorway cruise 65-75 mph


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[morski]

I see 24-26 mpg on RS6 at 75 mph-ish if that makes you feel any better

[dean warren]

I see 24-26 mpg on RS6 at 75 mph-ish if that makes you feel any better

What year is your RS6? Im seriously thinking of ditching the C8 S6 and getting a C7 RS6 facelift.


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[johnsimcox]

Over a distance of 36716 miles in my 2012 C7 2.0 TDI SE Manual I achieved (using the car's numbers) an average of 41.86mpg, but this includes a lot of short journeys and communiting into West London on the A30. On long Motorway trips I would regularly see over 50, with a steady cruise at around 75mph. On my 2015 C7.5 2.0TDi Ultra SE Manual I averaged 44.57mpg over 42616 miles, similar profile of driving. On one occasion I actyaly saw nearly 65mpg, but that included a long section of 50mph contraflow on the M6. On the c8 2.0TDi Ultra Sport Auto over 17894 miles I saw an average of 47.18mpg. The C8 2.0TFSi Ultra Auto is aveging 32.64 over 4542 miles, but a lot of that is short trips due to working at home

[morski]

What year is your RS6? Im seriously thinking of ditching the C8 S6 and getting a C7 RS6 facelift.


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2016 with 8100 miles on it so far. Maybe the fuel consumption might get better as the engine loosens up a bit more ... i Wish !!

[Artiglio]

2.0 ultra avant, black,sportline, 65 plate. Overall 42 mpg, on a sensible motorway run 50 mpg, only once on a regular 110 mile run it managed 60 mpg.

[danclyon]

50k miles just rolled round since I got mine. DSG, S-Line, 18" wheels, the 50k average is 49.4mpg. I've had much much better, but like today, I did 150 miles, but about 140 of them were at a nice steady 70 and it was reporting 57.9mpg, but then....traffic.... The average today now the weather is improving was 52.3....

D.

[nevbadger99]

I'm around 47mpg average, also manual but on 20" wheels but don't help. My previous A6 did 49 average on 18" wheels. I sometimes use efficiency mode around town but don't bother much these days.

Have you checked tyre pressures and tweaked the aircon settings? May help a bit but by far the biggest impacts I've noticed are traffic and my own right foot.

[Whippy53]

My auto is getting 46 at the moment. Used to be 48 but I'm not doing any distances at the moment. Only 6k miles last year.