BMW X5 M
Why 5.5: 617 hp of commuting theatre. Nobody tracks one, nobody keeps one past the lease, and the badge does all the talking — the segment's thesis, restated in Bavarian.
Layout
Natural habitat
Ride comfort
Sound
The S63 has real V8 bass and the quad exhaust barks properly on start-up and upshift. But two turbos in the vee kill the top end, and BMW fills the gap with a speaker layer that is obvious once you notice it. A big noise, very little of it made by combustion.
8-cylinder · turbocharged · 7,000 rpm redline · rated 5.9 / 10 for engine sound
Market value
Median asking price, good condition · €106k (2020) → €66k (2026), trending down · illustrative data
Child seats · ISOFIX
ISOFIX on the two outer second-row seats, top tether anchors on all three rear seatbacks; the middle position is belt-only.
No front-passenger ISOFIX, consistent with every current-generation BMW.
Owner-forum fitment guides and OEM ISOFIX anchor-cover parts listed specifically for X5 (G05)/X5M, 2019-2024 fitment (owner-community sourced, not manufacturer documentation)
The long version
Three-year leases are the natural habitat here, a different kind of churn than the speculative flipping seen elsewhere on this list — nobody's chasing a profit, they're handing back a lease-return SUV and signing paperwork on the next one. The badge buys school-run status more than engagement; 617 hp gets used to merge onto a highway, not chase an apex, because the ownership mindset never planned for the second half of that spec sheet. Depreciation runs hard and fast, the predictable result of a car bought for image on a payment plan rather than for a driving experience anyone's actually seeking out.