Great topic! I’ve been driving a luxury sedan on regular gas for three years now and haven’t had a single issue. The fuel savings have definitely added up. Maintenance costs have been reasonable too – not significantly different from my previous non-luxury vehicle.
One thing nobody mentions – insurance and fuel costs. These aren’t as bad as expected, actually. The real challenge is finding a trustworthy mechanic who knows Minis specifically. Don’t just take it to any shop.