Discovery 4 - petrol vs diesel





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  1. #1
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    Default Discovery 4 - petrol vs diesel

    In real worlds conditions (urban and open road) how big a difference is there in consumption between the v8 petrol and sdv6 .
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  2. #2
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    Default Re: Discovery 4 - petrol vs diesel

    I don't know about the V8, but the TDV6 wasn't great either. We got average 14L/100KM in town.
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  3. #3
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    Default Re: Discovery 4 - petrol vs diesel

    My V8 gave 5km/L in town and 6.5 open road (120km/h cruising). This was calculated tank to tank.

    SDV6 claims are about 8-9 km/L in town and 10 km/L open road IIRC.

    There's been a few threads on this, a search will shed more light. The difficulty lies in sifting the computer indicated claims from real world tank to tank calculations.
    Current: Touareg V6 TDi
    Ex: Discovery 4 V8 - Sold at 149 000 km. Awesome vehicle, but a bottomless pit.
    Ex: Fortuner D4D - Best vehicle I've owned Sold at 267 000 km.
    Ex: Hilux 2.7i - sold at 241 000 km.
    Ex: Hilux D4D - sold at 330 000 km.

  4. #4
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    Default Re: Discovery 4 - petrol vs diesel

    Quote Originally Posted by 4xhilux View Post

    SDV6 claims are about 8-9 km/L in town and 10 km/L open road IIRC.
    I would love to see that in real life, measured tank to tank.

    Mine is fitted with a roof rack and off road biased tyre tread, and I get 13.5L/100km in town, and 12L/100km open road at 120km/h. I get 10km/l when cruising around in the Kruger at 40km/h.
    Last edited by faniedup; 2020/01/10 at 09:22 AM.

  5. #5
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    Default Re: Discovery 4 - petrol vs diesel

    Not a D4 but I know that my D3 V8 is super heavy driving in town. 4-4.5km/l. Gave me 6.8km/l towing my Gypsey 4 to Sodwana. She is much better without anything at the back. Some claim 8-9km/l on the open road for the V8.
    Henk
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  6. #6
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    Default Re: Discovery 4 - petrol vs diesel

    Quote Originally Posted by Henkus View Post
    Not a D4 but I know that my D3 V8 is super heavy driving in town. 4-4.5km/l. Gave me 6.8km/l towing my Gypsey 4 to Sodwana. She is much better without anything at the back. Some claim 8-9km/l on the open road for the V8.
    Ja, probably indicated on the computer, I cannot see that that is achievable in the real world. That said, my V8's computer did once indicate 10 km/L over about 20km, after basically free wheeling down a mountain pass from Sutherland to Matjiesfontein.
    Current: Touareg V6 TDi
    Ex: Discovery 4 V8 - Sold at 149 000 km. Awesome vehicle, but a bottomless pit.
    Ex: Fortuner D4D - Best vehicle I've owned Sold at 267 000 km.
    Ex: Hilux 2.7i - sold at 241 000 km.
    Ex: Hilux D4D - sold at 330 000 km.

  7. #7
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    Default Re: Discovery 4 - petrol vs diesel

    Real world tank-to-tank fuel consumption measured over 190 000kms - from "normal driving" to overlanding with roofrack and towing a trailer is 13.5 litres per 100 km. Its an average over many kms, over various condition so should be a good approx. of reality. The lowest I have recorded over the period is 10.2 l/100km and the highest of 35l/100 km in thick sand.Can't say what the V8 would be over the same period/condition - but this would give insights into the diesel. Of course no where near what the onboard computer reads or what LR claim

  8. #8
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    Default Re: Discovery 4 - petrol vs diesel

    D3 V8 2007 6Km/L town and open road towing camping trailer 6,7Km/l and non towing 7Km/L even 7.8Km/L if sticking to 100k/hr and no itchy foot.

    Better consumption than my Triton by far.

    Friend with Disco 4 V8 HSE beats my D3 consumption all the time real terms not computer dreams. Our families do some traveling/touring together.
    Last edited by theunsb; 2020/01/12 at 05:14 PM. Reason: Extra relevant info compare D3 to D4
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  9. #9
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    Default Re: Discovery 4 - petrol vs diesel

    D4 TDV6 XS - Fuel consumption very right foot sensitive. Trip computer about 2L/100km optimistic.

    Below figures Tank to Tank.

    • Best achieved on Open road trip to Moz was 8.86L/100km. Speed about 120km/h. Loaded, but no load bars or trailer.
    • While towing the Desert Wolf Leo, it will quickly move to 14L/100km. Could get this down to 12,5-13L/100km averaging 100-110Km/h.
    • Averaging home to work (Waverley to Centurion) Mixed driving, around 10L-10,5L/100Km.
    • With a heavy foot it will jump to at least 13L/100Km.


    Fuel consumption very similar to my TD5s, except the right foot reacts immediately and one could pass a truck on an incline with a loaded trailer easily.

  10. #10
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    Default Re: Discovery 4 - petrol vs diesel

    Henk
    So understand
    Don't waste your time always searching for those wasted years
    Face up, make your stand
    And realize you're living in the golden years

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