Aston Martin
DBX
Audi
RS7
Aston Martin DBX vs Audi RS7: 2025 Comparison
The short answer
Based on available data, the Aston Martin DBX comes out ahead of the Audi RS7 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- ⚠Outdated/inferior technology: Criticisms of the older Mercedes COMAND infotainment system (in pre-refresh models), lack of modern driver assistance features (e.g.,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.
RS7
Overall
Owner sentiment is generally positive, with the RS7 praised as a fast, comfortable, and capable grand tourer that blends performance with daily usability. The twin-turbo 4.0L V8 engine is frequently highlighted for its immense power and linear delivery, providing a "blazing fast" and "spectacularly fast" experience. The car is consistently described as comfortable for long-distance cruising, with a refined interior and a balance of luxury and sportiness.
Best version to buy
Insufficient owner data available to declare a consensus "best" version. Discussions reference various model years and trims (e.g., 2016 RS7 Performance, 2024 RS7 Performance with increased power) without a clear preference emerging from the community feedback.
Known issues
- ⚠High Cost of Maintenance and Repairs: Very expensive routine maintenance, brake jobs (cited at ~$4,000 USD), and part replacements. Owners note a significant "RS Tax" on model-specific components. Frequency: very frequent.
- ⚠Turbo Oil Screen/Strainer Failure: A major, widespread issue primarily affecting the C7/C7.5 generation's 4.0T V8. Faulty screens can clog, leading to turbocharger failure and catastrophic engine damage.
- ⚠Suspension Comfort Degradation: Owners report the adaptive suspension in Comfort mode losing its plush, "gliding" quality over time, becoming noticeably firmer. Potential causes include worn components or calibration issues.
The verdict
The Aston Martin DBX is the better choice for most buyers.
It has more power on its best-equipped version than the Audi RS7, based on the data above. If efficiency matters more to you than outright power, the Audi RS7 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Aston Martin DBX or the Audi RS7?
Owner reports show similar reliability sentiment for the Aston Martin DBX and the Audi RS7. Check the known issues listed above for specific differences between the two.
Which is better for families, the Aston Martin DBX or the Audi RS7?
Both seat a similar number of passengers based on our data. The Aston Martin DBX is classed as a SUV, the Audi RS7 as a Liftback, which affects cargo space and ride height for family use.
Which has better fuel economy, the Aston Martin DBX or the Audi RS7?
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 Audi RS7?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Audi RS7 than the Aston Martin DBX. See the known issues comparison above.