S4 MPG?

Post by **mboy** » Sun Mar 20, 2005 7:20 pm

Hi, I'm going to buy an s4 avant but I do about 500 miles a week so I'm bit worried about MPG, what can you get out of one on a run a about 80-85MPH?

Post by **Daz** » Sun Mar 20, 2005 8:39 pm

You should be able to get between 20 and 24MPG I would have thought.

Post by **Mike_K** » Sun Mar 20, 2005 8:59 pm

mboy wrote:what can you get out of one on a run a about 80-85MPH?

there's quite a few threads on mpg, eg have a look at:
http://www.rs246.com/index.php?name=PNp ... c&start=30

I did some "tests" in non-hilly Holland and reckon 20-24 is about right. The BIG change comes when you exercise your right foot; steady motorway driving and it seems to stay sensible, but sometimes the 340hp V8 temptation becomes irresistible !!!

Personally I don't think you should buy this car if you're worried about petrol consumption. I'm not 'cos I don't do many miles; the guy who owned mine before me did 30000 miles in its 1st year. I'm not surprised he sold it on (lucky me

)

Post by **Scotty** » Sun Mar 20, 2005 9:35 pm

mboy wrote:Hi, I'm going to buy an s4 avant but I do about 500 miles a week so I'm bit worried about MPG, what can you get out of one on a run a about 80-85MPH?

There's two issues. One is cost. It'll cost over £100 a week in fuel. This may of may not be an issue. The second is that you'll be at a fuel pump virtually every other day.

The range is not great on these cars. At best you'll probably get 300.

Post by **Pete.S** » Sun Mar 20, 2005 11:14 pm

Agreed^. I'm assuming the overtly modest tank size is to keep weight issues to a minimum, though struggling to drive from Hull to London without a fuel stop is a pain.

I've done 25k miles so far and have done plenty of my own MPG tests. Two quite interesting things I've found: one is that you'll see a much higher MPG return if you drive very gently while the engine is cold if you're embarking on a long cruise. It can bump the figure up from 23 to over 26. The other is that the weather really makes a big difference. Saturday night for instance, very still, calm conditions, returned 26.5 on a 200 mile m/way cruise @ 75 mph. When it's been windy I've had 22 for the same speed & distance.

Cruise control is invaluable if, like me, you do plenty of long hauls and hate handing Mr. Brown more than is necessary. I despise the low MPG of the car, but to drive across country on a variety of roads in UK weather, I really can't think of any other car I'd prefer to be in.

Post by **Merlot** » Mon Mar 21, 2005 1:50 pm

I range 17 to 27 depending on how I am driving - even got 30 mpg once! Average is 21,22 mpg so 275miles=fill up. The low fuel indicator in the DIS is very good and can be run down to a range of 10 or 15 miles - its amazing how far you can go if you lift off for the last couple of gallons.

I do 15k miles a year in ours and have just bought another so that my wife and I will have one each. The 2nd one will do 15k miles pa as well probably. I keep considering diesel but the 2.5 lump in the A4 sounds awful (not sure about the 3.0 litre) and once you've specced them up they cost £32-35k new. A one year old S4 is just as cheap.

I bought a second hand B6 as the B7 has seen the fuel tank cut from 66 to 63 litres. Not much I know but it really needs 80 litres for us chaps out in the sticks. That's why I'm going to be looking at the S6 next year.

Simple answer to your question - buy one!

Post by **TinkyWinky** » Mon Mar 21, 2005 10:57 pm

Hey lets be honest here - none of us buy an S4 to drive at 56 mph....

hell no but even with a foot happy drive upto about 85 - 90 you can still achieve 20 odd mpg provided you are not constantly slowing down and then overtaking at every opportunity like up here on the A7!

Post by **mboy** » Tue Mar 22, 2005 10:56 am

Thanks for the info, I'm happy with with 300 miles per tank as that's all my M3 will do and I have to get back into an Audi. I drove an RS4 and did not like it (it felt old) so I tried a AMD S4 and loved it.

Post by **Scotty** » Tue Mar 22, 2005 8:59 pm

I'd be happy with 300 as well!

Post by **Pete.S** » Wed Mar 23, 2005 6:56 pm

@ Merlot - how accurate is the fuel range indicator on the DIS? Whenever mine's got to 50 miles range indicated & I've got 30 miles to go, I always brick it & fill her up!

Post by **Scotty** » Wed Mar 23, 2005 8:34 pm

I had 10 miles left on mine tonight. I then just managed to get in 60.5L so the DIS was about 10 miles optimistic. I think that's pretty good.

Post by **TinkyWinky** » Wed Mar 23, 2005 8:41 pm

LOL - I have been down to 5 but then I do live right near 3 petrol stations in Edinburgh!

Post by **Scotty** » Wed Mar 23, 2005 8:45 pm

I've actually done about 15 miles after 0 but just not tonight.

Post by **charliesum** » Wed Mar 23, 2005 11:32 pm

if you are worried about fuel go for the diesel,my new 3.0 does 38-40 and now its been chipped it goes like stink in real world driving not a lot of difference from the qst tuned b6 s4 i had before if you are thinking of 300m to a tank dream on!!!! i never got above 260m EVER! of course you miss the v8 noise but there you go.....

Post by **Merlot** » Thu Mar 24, 2005 12:15 am

Pete.S wrote:@ Merlot - how accurate is the fuel range indicator on the DIS? Whenever mine's got to 50 miles range indicated & I've got 30 miles to go, I always brick it & fill her up!

I always feel there is perhaps 10 miles 'insurance'. I have never gone below 10 miles showing on the DIS and I don't remember ever getting more than 63/64 litres into the 66 litre tank. Compare that with a Merc I recently owned which regularly took 66 litres in a 62 litre tank with c20miles still showing on the range! I guess some manfacturers' include the volume of the filler neck and some don't.

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