fuel consumption

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mark_sp
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Post by mark_sp » 16 Sep 2003, 05:50

thinking about my journeys they are generally short 6 - 8 miles and I use the air-con a lot. My commute to work includes a hill. I drive mainly on A and B roads but don't hit heavy traffic. When I drive the BX I nearly always use the performance and romp up the hill in the outside lane taking it to 4500 rpm in 3rd and 4th. When I use the Xantia I drive very sedately as I know there is no power on tap and I'm actually conscious that I don't want to get caught in the outside lane and block faster traffic. With this style of driving the rpm is usually between 1600 and 2300 with the occasional forray upto 3000. There is no undue rolling resistance as the car will roll on the slightest incline.
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alan s
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Post by alan s » 16 Sep 2003, 06:18

Mark,
It could be an interesting comparison when you take it on a "Sunday drive in the Country." [:D][:D][:D]
Alan S [:o)]
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Post by Nikolaymk » 17 Sep 2003, 01:57

My 1.8 16V '95 Xantia returns around 35 MPG. My journeys are split btw unforgiving London traffic - A406 NCR, M4, M25 and long weekend hops to Wales. I don't consider this bad, but I'll still change the sparks and fuel filter. This should push it to 37-38 MPG.
Can't understand how diesels perform worse.
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Post by ghostrider » 18 Sep 2003, 03:56

now my mate tony had a 1.7TD BX estate which he thrashed without any mercy, he left me with a full tank one night and arrived back at base 254 miles later with the low fuel warning light on! which equates to just less than 20mpg, awesome! what's more despite this abuse it still managed over 200K before he got rid of it. Mind you apart from his xantia 1.9TD he also has a 406 HDI in which he managed 782 miles on around 60 litres, so driving style does make a little bit of difference ;-))))
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Last edited by ghostrider on 22 Feb 2011, 06:40, edited 1 time in total.
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Post by tomsheppard » 18 Sep 2003, 04:14

That must have been one sick BX estate. Although I'm lucky enough to have the 1.9, What is the typical consumption of a turbodiesel (and how much better is the HDI?) Could it be that Xantiae are geared for acceleration and that is why they are so thirsty?
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mark_sp
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Post by mark_sp » 18 Sep 2003, 05:14

Acceleration - HA!, geared for motorway cruising more like 80 mph at just over 3100 rpm.
mark
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tomsheppard
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Post by tomsheppard » 19 Sep 2003, 06:08

70 = 3200 rpm for the 1.9 n/a BX estate. 80 therefore = 3650 rpm so in theory it should drink more. wieghs 1037KG. xantiae are heavier but even so...
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Post by kafkaian » 19 Sep 2003, 12:56

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by tomsheppard</i>

That must have been one sick BX estate. Although I'm lucky enough to have the 1.9, What is the typical consumption of a turbodiesel (and how much better is the HDI?) Could it be that Xantiae are geared for acceleration and that is why they are so thirsty?
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote"><font size="2">I don't find my petrol Xantia that thirsty, but I suppose I'm going to have to check this one out. As for accelerating, I don;t go for that either. Mine's definitely a plodder [;)]</font id="size2">
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Post by JohnD » 19 Sep 2003, 23:41

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by mark_sp</i>

I'm just amazed at some of the figures reported on this site.
My xantia 1.9TD aquired in March returns on average 34 MPG
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
I'm just back from a tour of Italy covering 2900 miles towing a 1 ton caravan. My 2.1 Xantia TD used 425 litres giving a fuel figure of 31mpg. When it's running solo, from brim to brim full, it covers 42mpg.
Your 1.9TD should give you a better return than 34.
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Post by ghostrider » 20 Sep 2003, 23:58

Tom, not so much sick as thrashed, the journey I referred to was N Yorks to Blackwall in under 3hrs (grossly irresponsible;-))), acceleration on a Xantia? ;-o , possibly,..... mine is better now for 2 months of injector treatment, but not as quick as the 1.7TD BX
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Last edited by ghostrider on 22 Feb 2011, 06:40, edited 1 time in total.
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Post by Homer » 22 Sep 2003, 03:23

I get 30mpg out of my 2.0L turbo Xantia most of the time. And it's a PETROL. Fully loaded, with the roofbox on and not exactly taking it steady we get about 26. On a good run with little opportunity to overtake it does around 34mpg.
Only thing I can think is you are using US gallons? (20% smaller than UK gallons).
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mark_sp
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Post by mark_sp » 22 Sep 2003, 03:28

I've just re-checked my fuel consumption as I'm now totally paranoid and convinced that I can't do the basic math required.
Well my driving has been different over the last 2 weeks, more relaxed cruising than the usual short hops - came out at 36mpg which is consistent with 34 for the short hops. On the positive side its considerably better than the 22mpg that my previous main car returned.
I don't know if its possible to close a thread that one has opened but I'm making a request for this one to die.
mark.
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kafkaian
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Post by kafkaian » 22 Sep 2003, 03:37

No don't close the thread please because I think it's a useful exercise. It's reminding me to continue with my assessment this week and beyond (I started a full tank test on Friday and will probably fill up on Saturday!). Can't wait to see what I'm returning - always thought my 97 was pretty frugal and was satisfied with the weekly spend. Perhaps I'm just deluding myself and got used to the amount GBP. I'll know, urban cycle style, by next weekend.
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Post by Jon » 24 Sep 2003, 03:48

Um, well I worked out that I'm only getting 34mpg from my 93 ZX td on my daily Swindon Heathrow run. Thats pretty poor for a car that allegedly returned 62 mpg at a constant 56mph back in 1993.
Perhaps I should ease back on my diving boot equipped right foot. :-(
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tomsheppard
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Post by tomsheppard » 24 Sep 2003, 04:40

Or run some injector cleaner through it and change the fuel filter?
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