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Old 28-08-15, 04:37 PM   #1
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Default New forum for 406, help with 2 engine not sure which buy?

Hi everyone my 307 1.6hdi 110 was most c**p car ever to own so many problem with engine oil leak in turbo, injector leak too much to list problem here. Had a enough and scrap the car away with 146,000 miles on clock. Now the weight is off my shoulder. I am looking for Peugeot 406 saloon my dream car to buy for long time now I want to buy it but I am not sure which engine is best 2.0hdi 110 or 2.2hdi 136?
My mate said 2.0 hdi 110 is stronger engine but to me looks not really good because that 2.0hdi don't have 6 speed gearbox.
Which will be good MPG if I drove on long motorway?
2.2hdi 6 speed seem good low rev than 2.0hdi would it do more MPG than 2.0hdi???
Anyone who own 406 2.0 and 2.2hdi please share me
Thanks!
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Old 28-08-15, 04:51 PM   #2
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HDI 110 is the best all rounder the 2.2 has a bit more oomph but also has more potential problems don't think any are 6 speed though only 807 2.2 had 6 speed if it does have a 6 speed box it will be a late model with a DPF

110 has no DPF
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Old 28-08-15, 05:03 PM   #3
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I agree, the 110 is a great engine and very robust. It can be increased in bhp if required to about 140bhp which makes it better than a standard 2.2Hdi.

It is possible to fit a 6 speed to a 2.2Hdi 406, but it must be a 20MB04 box from a Citroen C5 2.2Hdi 2001 - 2003 only...

My 2.2Hdi is great, most potential problems have been removed or bypassed so it is very reliable - but I would still recommend a 110 for all round economy, reliability and durability
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Old 28-08-15, 05:05 PM   #4
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Yeah you're right how stupid of me, I was think of 6 gear from 2.2hdi Citroen C5. Is the 2.2hdi have same gear ratio on 2.0hdi? or bit different how many Mpg said 51.4 on 2.0 and 46 from 2.2hdi has someone go more than that?
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Old 28-08-15, 05:07 PM   #5
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110 is most fuel efficient engine hence it provides the best economy BUT in real world conditions neither of your quoted figures are accurate early 110s were better than later 110s for example
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Old 28-08-15, 05:11 PM   #6
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I get 40mpg round town, up to 55mpg on a run but my 2.2 has been 'improved' somewhat. The 110 will easily do 45mpg round town and 60mpg on a run - it depends on the car, the driving style and traffic conditions....

Is mpg the main reason you are deliberating which engine to go for? An Hdi90 will be more economical, great round town thanks to its lower gear ratio but a little lethargic on the bypass.

On a 6 speed box, the 5th is lower and 6th is higher than a standard 5 speed box, its not worth it in my opinion, just fit bigger wheels....
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Old 28-08-15, 05:17 PM   #7
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I don't agree 90 does not give better fuel economy as you need to work it harder 110 can stay in 5th where 90 will struggle in 4th !

6 speed not worth it though unless you spend a lot of time in the audi lane at 90 mph as that's the only time it would actually benefit you
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Old 03-09-15, 11:17 PM   #8
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Have had two HDI 90 406's and they've both been cracking cars, also got a 307 but much prefer driving the 406 for anything more than a trip to the shops.

That said I haven't known a 2.0 HDI of any description fail to get past the 350 miles mark, provided its looked after. Usually the engine is still going strong but the bodywork starts to fall apart first.

Last edited by adtyne; 03-09-15 at 11:17 PM. Reason: typo
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Old 05-09-15, 01:12 PM   #9
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My 406 was a 1749cc petrol, and to be fair she was pretty good on juice.
I used to get mid 600s to a tank. Had literally no problems with it at all.
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Old 24-07-17, 10:03 PM   #10
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Not the most recent post but...
With my 2,0 HDI Estate automatic I get 6,77 l/100km (I guess 34,7 mpg) in day to day driving and 6 l/100km (39 mpg) strictly highway...
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