I need to replace this model dishwasher but need new one to fit space and front cupboard panel .

Dishwashers come in standard sizes. Your old one is 60 CM wide and made for built in.

https://www.bosch-home.ca/en/supportdetail/product/SGU4025AU/31

DISHWASHER 60 CM BUILT-IN/BUILT-UNDERSGU4025AU/31
As long as the new one is also for built in, the dishwasher will fit. Measure the height of the space you have. There may be a little height adjustment on the feet.

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Check that the new panel isn't pushing down on any of the buttons when you reassemble it. Compare it with the old panel and look closely for any differences. Ive come across it a few times where changes to panels have been made and its supplied to fit yours but the changes prevent correct operation. You may have to file or cut any part off which interferes with the switches or controls. This happens when there are production line changes on the same models.

What is a cupboard front - a panel added so it blends in?
If so, did the unit come with the panel or was it added by someone?

The space underneath the dishwasher, or cabinets, is referred to as the kick space. It is where your toes fit under the edge of a counter and they are typical of cabinets and dishwashers alike. You should not expect a wood trim piece to fit underneath the dishwasher and not all dishwashers will accommodate one. It is fair to say that all dishwashers will come complete with a trim piece to cover this area, since some have venting and others do not; some have a door that extends down further and some do not. Generally speaking the variation people concern themselves with is in dishwasher's width and not in the door configuration. So having said and in consideration of your (assumed) desire to retain the wood trim, I suggest you retool the wood trim piece to work/fit with the dishwasher you decide you want. This is what I did rather than use the provided black metal panel. I have attached photos.

DD60SCW7 is a 410 H x 599W x 582D
Refer http://www.fisherpaykel.com/vault/pdfs/pdf_installations/590200D%20DD60SP7%20installA4%20NZAUGBIEw1.pdf
DS603I is , 409H x 595Wx 570D
Refer http://www.fisherpaykel.com/vault/pdfs//pdf_installations/526609O_DDinstall_NZGBw.pdf

Measure the front of the washer. There are really only a couple sizes of machine though you will encounter all kinds of claims about size. Super Load! Bigger than the competition! Commercial Size! What do they mean? Who knows. Get a replacement washing machine that will (1) fit through your door and (2) will fit into the space you have in your utility room.

If you really want to know the physical cube size of the machine, the formula is W X L X H (Width multiplied by Length multiplied by Height).

The more important information you should have is how deep is your space (front to back) and how wide is your space. Normally, height is not an issue unless you have cupboards above and you are getting a stackable machine or one that sits on a pedestal.

Thanks for your question @ FixYa.com

There is a MUCH better way! go to www.applianceart.com, these guys have tons of panel options including stainless and fax stainless that was featured on HGTV and the Today Show. www.applianceart.com (Appliance Art)

First I would look for very oddly placed screws. If there are none, try pulling the wood on the underside with a pair of pliers until you can tell where the tension is coming from. If it is glued on there....well you may want to use a hammer and chisel and visit www.applianceart.com for a stainless panel to replace the old one. Probably not much help but thought I would try.

On most dishwashers the front panel is removable/replaceable. You can try www.coastparts.com or www.marcone.com .

My Neff integrated dishwasher has two holding screws in the top corners and then two hidden screms half way down the side behind plastic covers. Loosen these side screws, remove the top two corner screws and then the door cover/panel should lift out of two lugs at the bottom.