No...no....no..!
All wheels and tyres must be the same size.........using anything else on yer hippo will make yer drivetrain go bang big time and leave you with a very expensive bill.
And if you ever fit new tyres these must always go on the rear.
Here at LandyZone we have plenty of very knowledgable members so if you have any questions about your Land Rover or just want to connect with other Landy owners, you're in the right place.