We've covered, more than a few times, the tendency for European luxury cars to depreciate very quickly. Used Luxury Cars Are Sitting On The Lot For 50+ Days2026 BMW 3 Series Sedan Rear Angle View BMECarFax released a report for June 2026 showing that used luxury vehicles were the weakest second-hand segment overall. As of mid-2026, a three-year-old BMW 3 Series should be very attractive for budget-conscious luxury car fans. 330i Sedan - $30,880330i xDrive Sedan - $32,630M340i Sedan - $35,356M340i xDrive Sedan - $35,594If you're looking for the best possible deal, you're actually saving more money the higher you go up the ladder. You might not be buying full coverage for a 2021 luxury car that you bought for $16,000.