Do big 4x4 tires ruin fuel economy? | Petrol VS Diesel | Explanation + Facts

Does putting big mud tires on your 4x4 negatively effect your fuel economy? and is diesel or petrol better for big tires? In this video i show my Pajero with 32" Muddies and explain what causes fuel economy issues when you put big tires on your 4wd!

[Samiceman]

Nice video! Thanks for putting in the effort. Nice to see some love for the gen 2 Pajero, great bang for your buck 4x4

In my daily 2.8td NL I haven't noticed too much difference going from 31x10.5(A/T) to 33x10.5(A/T) in overall fuel economy. However, It is a slightly harder to take off initially and speedo is out by 6ks at 100. I think diff ratio plays a part also (4.90)

Going from 29s(a/t) to the wider 32s(m/t) in a v6 Rodeo I really noticed a difference, massive loss in power/economy. Same is said when I put my 33x12.5 muddies on the Pajero, but not as bad at all probably due to the explained lower peak torque of the diesel.

From my limited experience, I think the mud terrain must have a lot more mass also creating more rolling resistance, so add another 0.5 - 1L/100ks for tyre type/width.

[davidstowar]

Everyone always talks about bigger tyres making the Speedo wrong but I've never thought about it making the odometer wrong as well, thanks Patrick.

[JXMCG]

Mate this vid mentioned so many points ive never even thought about. Great work!

[MC-jfic]

Slapped a 33 MT's on my Petrol NL and re-geared to 4.90's, no loss of power since the V6 matches the 4.90's really well, downside is the fuel consumption. I used to get 700 K's on stock tyres, now I only get 550 the most. But it's worth it for me.

[dachickenwingx]

simply the best nest video? is james patrol better on smaller tires

[samueljs]

In my Pajero 2002 stock sizes is 265/70r16 which are around 30.6" we could say 31", I just installed 265/75r16 or 32" and I could say it's been hard on the fuel economy, and my speedometer is on the dot, it wasn't accurate before, and now it is, which is good, but I don't think I could go any bigger than that; 3.5L V6 Petrol is very thirsty.

[johnallen]

I put larger tyres on my car (about 6% larger and 30% wider) and the fuel consumption is lower with the large tyres. Driving 100km is the same with both stock and large tyres, but speed seems to be out by about 2 or 3%..
That is just in my experience.

[nqabankosi]

Doesn't a pajero have 30 or 31 inch tyres factory?

[ToyotaNutjob]

4x4 tires are dangerous for on road use. The tread patterns make zero sense they dont do shit on wet roads