Acura TLX vs BMW X5 M: which is more reliable?
The BMW X5 M is ahead of the Acura TLX on the federal record, 84/100 against 75/100 — a real but narrow gap that a bad model year on either side closes.
The record, side by side
Acura TLX
- 11 model years scored
- 879 owner complaints on record
- about 10 complaints per year on the road
- 39 recall campaigns, 28 safety-critical
- best year 2024 (89/100) · worst 2015 (38/100)
BMW X5 M
- 7 model years scored
- 416 owner complaints on record
- about 9 complaints per year on the road
- 1 recall campaigns, 0 safety-critical
- best year 2020 (95/100) · worst 2021 (64/100)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: TLX against X5 M
The comparison that decides the purchase. A nameplate is not one car — a redesign can move the record sixty points inside two years, and the two nameplates rarely move together.
What owners actually complain about
Acura TLX
- Power Train — 249 complaints
- Engine — 214 complaints
- Electrical System — 148 complaints
BMW X5 M
- Engine — 103 complaints
- Power Train — 96 complaints
- Electrical System — 89 complaints
They do not fail the same way: the TLX's complaints concentrate in Power Train, the X5 M's in Engine. That difference matters more to a buyer than the score gap, because it says which repair bill you are taking on.
Years to avoid on each
Acura TLX — avoid: 2015.
BMW X5 M: no model year scores below 45; the strongest are 2013, 2017, 2018, 2020, 2022, 2023.
A year scores below 45 on complaints per year of exposure and recall campaigns. Every car’s years to avoid.
What each costs today
A recent used Acura TLX prices at about $55,100 and a BMW X5 M at about $46,600 — the BMW X5 M is roughly $8,500 less, and they return 25.0 against 15.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the Acura TLX or the BMW X5 M more reliable?
On the NHTSA record the BMW X5 M scores 84/100 against the Acura TLX's 75/100, averaged across every model year we hold. The gap is small enough that the model year matters more than the badge.
Which Acura TLX and BMW X5 M years should I avoid?
Acura TLX: 2015. BMW X5 M: no year scores below 45. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the Acura TLX and the BMW X5 M?
The largest complaint group on the Acura TLX is Power Train (249 complaints); on the BMW X5 M it is Engine (103).
Is the Acura TLX or the BMW X5 M cheaper to own?
A recent used Acura TLX prices at about $55,100 and a BMW X5 M at about $46,600, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.