I wash my 4/4 Sport every 10 days or so, often I'll wash it when I'm not in the mood for driving, this week washed on fri and waxed [with autoglym HD Wax] - sat, not a garage queen though, 6000 miles and a French trip in last 12 months, Also wash and wax my Defender on a regular basis - much to the amusement of my neighbours, much prefer car cleaning to gardening