Aston Martin
DBX
BMW
X6
Aston Martin DBX vs BMW X6: 2025 Comparison
The short answer
Based on available data, the Aston Martin DBX comes out ahead of the BMW X6 on power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Specs side by side
What owners say
DBX
Overall
Sentiment is sharply divided. The vehicle is universally praised for its stunning exterior design, with frequent mentions of its gorgeous appearance, beautiful color options, and the "exotic shock factor" it provides. The interior is also noted for its "absolutely amazing" quality and materials.
Best version to buy
Insufficient owner data available to declare a consensus "best" trim. The DBX 707 high-performance variant is mentioned in the context of performance targets and a planned successor (DBX S).
Known issues
- ⚠Severe electrical system failures: Recurrent 12V/48V system warnings, complete battery drain, vehicle refusing to start, requiring multiple dealer visits and tows. Frequency: very frequent.
- ⚠General poor reliability / build quality: Multiple issues including loose shields causing rattles, failed window actuators, cracking subwoofer brackets, windscreen wipers detaching, and doors/windows misaligned from factory.
- ⚠Outdated/inferior technology: Criticisms of the older Mercedes COMAND infotainment system (in pre-refresh models), lack of modern driver assistance features (e.g., semi-autonomous driving) compared to German competitors.
X6
Overall
Sentiment is mixed, with a clear divide between ownership satisfaction and broader market perception. Long-term owners of V8-powered models (e.g., M50i, X6 M) report high satisfaction, praising immense power, strong acceleration, and a fun, sporty driving character that feels like a "big sporty car." The vehicle is described as a "beast" and a "joy to drive." However, significant criticism exists regarding the vehicle's fundamental concept, with many in the community feedback labeling the "coupe SUV" segment as pointless. The sloping roofline is frequently cited as sacrificing significant rear passenger comfort, headroom, and cargo utility compared to its X5 sibling, making it less practical.
Best version to buy
Insufficient owner data available to declare a consensus "best" trim. However, V8 models (M50i/M60i and X6 M) receive the most enthusiastic praise for performance.
Known issues
- ⚠High maintenance and repair costs post-warranty: very frequent mention of expensive repairs, with one anecdote of a $16,000 bill for engine work on a different BMW model cited as a cautionary tale. Frequency: very frequent.
- ⚠Transfer case failures: reports of transfer case replacement due to "shuttering," with a BMW mechanic noting a lack of service interval contributes to issues. The M models have a specified 15,000-mile service interval.
- ⚠Drivetrain fluid service intervals: a BMW mechanic identified the lack of service intervals for the front differential and transfer case (on non-M models) as a problem, with fluid degrading by 30,000 miles.
The verdict
The Aston Martin DBX is the better choice for most buyers.
It has more power on its best-equipped version than the BMW X6, based on the data above. If efficiency matters more to you than outright power, the BMW X6 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Aston Martin DBX or the BMW X6?
Owner reports show similar reliability sentiment for the Aston Martin DBX and the BMW X6. Check the known issues listed above for specific differences between the two.
Which is better for families, the Aston Martin DBX or the BMW X6?
Both seat a similar number of passengers based on our data. The Aston Martin DBX is classed as a SUV, the BMW X6 as a SAC, which affects cargo space and ride height for family use.
Which has better fuel economy, the Aston Martin DBX or the BMW X6?
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Which is cheaper to maintain, the Aston Martin DBX or the BMW X6?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the BMW X6 than the Aston Martin DBX. See the known issues comparison above.