FWHs on a Defender

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Originally Posted by Tins

Haven't been around too many IFS Nissotas, John?

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Usually tuned and being flogged at the time.

D4 is not immune either,as some on here have unfortunately found out.

Sadly (for the loss of the past) or thankfully (for our future) real constant four-wheel drive (like axle articulation) is no longer required. It has been rendered redundant. It requires effort. That effort requires energy. Energy requires fuel. The new Defender is only four-wheel drive when that is required. Sorry, it is no longer your choice. The FWH has come of age but now the machine will choose when the conditions require it. How much and when you put fuel into the fuel tank is the outcome.

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Originally Posted by one_iota

Sadly (for the loss of the past) or thankfully (for our future) real constant four-wheel drive (like axle articulation) is no longer required. It has been rendered redundant. It requires effort. That effort requires energy. Energy requires fuel. The new Defender is only four-wheel drive when that is required. Sorry, it is no longer your choice. The FWH has come of age but now the machine will choose when the conditions require it. How much and when you put fuel into the fuel tank is the outcome.

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It’s interesting to compare the official fuel consumption figures for Toyota Fortuna vs Prado. They are very similar except Prado is permanent 4WD and Fortuna part time. The Fortuna uses 0.5lt/100km less in urban use and 0.3lt less combined. It prob adds up to about 100lts less diesel per year. I wonder whether it’s worth the fuel saving. I suppose JLR is trying to get the benefit of both in new Defender (and similar effect to FL2, DS and Evoque drive).

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Originally Posted by rar110

It’s interesting to compare the official fuel consumption figures for Toyota Fortuna vs Prado. They are very similar except Prado is permanent 4WD and Fortuna part time. The Fortuna uses 0.5lt/100km less in urban use and 0.3lt less combined. It prob adds up to about 100lts less diesel per year. I wonder whether it’s worth the fuel saving. I suppose JLR is trying to get the benefit of both in new Defender (and similar effect to FL2, DS and Evoque drive).

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These days they seem to think electric power steering is worth the fuel savings. Of course, they average the emissions and fuel usage out over their entire line, and thus 0.3 lt adds up. It's also why Toyota could build big LCs. They are off-set by the 'efficient' hybrids they sell to the masses. It's also why Ford is building the Lightning. They will continue to build the huge V8 ones as well, as the market wants both.

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Originally Posted by rar110

It’s interesting to compare the official fuel consumption figures for Toyota Fortuna vs Prado. They are very similar except Prado is permanent 4WD and Fortuna part time. The Fortuna uses 0.5lt/100km less in urban use and 0.3lt less combined. It prob adds up to about 100lts less diesel per year. I wonder whether it’s worth the fuel saving. I suppose JLR is trying to get the benefit of both in new Defender (and similar effect to FL2, DS and Evoque drive).

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The Fortuna may also weigh less.
For me I would rather put up with a very small increase in fuel consumption than have some complicated clutch set up that will no doubt be very expensive to repair.As one iota says,we probably will have no say in it.LR say it saves .7L/100,so in real driving maybe 1/2 that.Keeping tyres at the right pressure would probably make more difference.

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Originally Posted by scarry

The Fortuna may also weigh less.
For me I would rather put up with a very small increase in fuel consumption than have some complicated clutch set up that will no doubt be very expensive to repair.As one iota says,we probably will have no say in it.LR say it saves .7L/100,so in real driving maybe 1/2 that.Keeping tyres at the right pressure would probably make more difference.

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The Fortuna weighs about 5% less than the Prado.

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Originally Posted by rar110

The Fortuna weighs about 5% less than the Prado.

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Yes... however the Fortuner is also smaller...

55mm lower
200mm shorter
30mm narrower

So lot less drag