300Tdi Auto vs manual: really 5mpg difference !!??!!

[davidjmiller]

Guys,

going to look at a 98S disco 300Tdi in dark green. It's done 96,000 miles with a full main dealer service history. Full leather trim, 6 months parts and labour warranty. In excellent condition inside and out (photos seem to back this up)

2 questions - I've been looking at some of the posts which suggest a big difference in mpg of the manual (28) over the auto (23). Can that be right??

Secondly, how much would you pay???

Your excellent advice is always appreciated.

David

[SteveGoodz]

My 97 auto is returning about 27mpg and my previous 300Tdi, which was manual, did about 32. The 200Tdi before that returned an average of 36mpg.

I paid 2500 for my auto in July ~ higher mileage and only limited service history.

[Range Rover Blues]

RRR is running a RRC in 300TDi auto, gets around 20 solo running round Wales and about 21 towing.

Should be better now as it's had a new head, injectors and loads of other stuff.

Wife's 300TDi manual only manages about 25 MPG, but then that's commuting with me driving.  That too has just had a head gasket and is promising better economy.

Anyway, to answer your question I'd expect an auto to use more fuel, but 5mpg sounds a bit much, depending on your driving style.

[The Fat Controller]

my 300tdi auto driven to and from work every day at 55 to 60 mph is retuning just over 34 mpg.the vehicle cost me just over £1300 earlyer this year,after buying 4 tyres(pirelli 235/70h16's and a new short assembly exhaust)total spend went to £1570.it had 11 months mot and 4 months tax also

[davidjmiller]

Hey Fat Controller,

nice to hear from you again. I realise I still have n't popped round yet but I will do one day, promise.

Your 300 does good on diesel, how many miles does it have on the clock??
Do you drive to work on that abomination of a road, the A14 ??

Best wishes,

David

[Mark_Solesbury]

Not related, but whos is the Durman Stearn van?
They had the contract for the estate my house is on in Rushden.

[Guardian.]

what i wanna know is how you lot get over 30mpg out of a tdi not got any now andprobably wont have another but ive had more than most over the years and if i got 25mpg out of it i though id had it right off!
before you all say this that end everything else, a few were brand spankers some were a couple of years old and some old dogs, but, all did around 24/25mpg.
as a matter of interest, what are those of you with 3.9v8's getting.?

[Range Rover Blues]

Firstly I think the fat controller can engage smug mode, that's a very economical TDi, isn't it?  I suppose doing a constant 55mph will help though but are you slipstreaming a truck

Julie's TDi was regularly doing 25 mpg, I'm still waiting to see what it does now it's had the top end rebuilt, it's alomost done the miles it would on a full tank and there's still some left, so it's definitely better but I don't know how much yet.

Jane's is also better, that's had a new head, but again I don't know by how much.  On her V8 she'd recon to get maybe 16 on petrol and 12 on LPG IIRC.

Personally I can't afford to use petrol for long enough to work it out but my LSE will do 12 on LPG if I'm careful.

[The Fat Controller]

David if some ones in the kettles on
i travel on first the 142 then the 141.my avtar shows kwik-fits car park Huntingdon
the transit is driven by the bloke 2 doors away
i don't tailgate on the roads,i'm the one people overtake because there's a large gap between me and the car in front.
i travel at this speed as then i don't have to brake and can normaly make the round abouts without slowing down
the discovery now has over 179000 miles on the clock

[Wireless]

Average LPG 17mpg, Average Unleaded 18mpg

Best on LPG 19mpg", Best on Unleaded 21mpg^

Worst LPG 9.5mpg*, Worst Unleaded 12mpg#

* - Motorway towing Sheep Trailer that I couldn't get over 50mph, hence torque converter couldn't lock up!

# - Town driving when local LPG supply was unavailable.

" - Long motorway journey at constant 60mph.

^ - Mixed country roads and motorway.

Like Range Rover Blues, I can't really afford or want to do long motorway journeys on Unleaded, so can't verify the 27mpg that the manual claims for a constant 56mph.

[Guardian.]

my 3.9 does between 11.5 and 12 mpg and doesnt matter if thats milling around or 75mph that i dont really understand but there we go, and petrol havent tried dont see the point, but before conversion and with the 3.5 in i once got 17mpg but could never do it again it sat around 14/15mpg.
so i feel a bit beter now as at least the petrol jobbie is about the same as all the others, but sorry still dont accept tdi doing over30mpg, unless it was towed half way! :lol:  :lol:

[Range Rover Blues]

Just filled Julie's up after doing the head et al and it's managed 27mpg.

Tad dissapointed :(

[LandRoger]

My old K plate 200tdi with 154,000 on the clock gives 33/35 all day long,
regular oil changes,air filter,fuel filter, 235/85/16 tyres that are kept properly inflated, my 200tdi Defender90 treated to the same deal as the Disco gives 25mpg on a good day,

[muddyjames]

I get about 27mpg ish now i have changed the air filter and towing is low 20's high teens in mpg.

in low ratio it then drinks it like it's going out of fashion! Example. yesterday. towed trailers all weekend and all day sundaywas spent in low box reversing down a tow path fetching wood and I put £58 in and did 240miles  :shock: