Other cars to feature a form of this as standard include the Audi Allroad, Lexus LX470, KR Mitsubishi Verada Xi and early '90s Subaru Liberty GX AWD wagon. A friend of mine had an '80s 626 which had suspension adjustable for hard/soft settings, but not height.
Self levelling is even more common being fitted to upmarket BMWs including the V8 X5 and the original WH Statesman/Caprice.
Having looked into this kind of thing myself, I concluded that the best option was height adjustable (non-electronic) shockers. The issues with cost and longevity concerns are far more reasonable.
Jack Travis, E-Series Acting President
1989 Ford Fairmont Ghia turbo/GL replica (underway)
1994 Eunos 800M
1990 Ford Laser S