2026 Aston Martin DBX - Maintenance & Specs
The 2026 Aston Martin DBX belongs to a Aston Martin DBX lineup that Know Your Ride tracks across 3 model years, from 2021 to 2026. Records for this year list a 4.0L engine. It is configured as 4-wheel drive with an automatic 9-spd. This 2026 car is the most recent Aston Martin DBX model year on record.
It takes 0W-40 full synthetic oil, 9.5 qt with a new filter meeting ACEA A3/B4. Fluid specs on file include Long Life coolant, DOT 3 brake fluid, Dexron VI transmission fluid. Know Your Ride lists 20 scheduled maintenance items for this vehicle, the earliest interval falling at 5,000 miles. Documented torque values include oil drain plug 20 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
There is 1 safety recall on record; one covers: Aston Martin The Americas (Aston Martin) is recalling certain 2025-2026 DBX and 2026 DBX S vehicles. The tire pressure monitoring system (TPMS) light.... Its overall reliability signal is rated "Excellent" based on aggregated complaint and crash data.
EPA fuel economy is rated at 15 city / 20 highway MPG, 17 MPG combined. Estimated annual fuel cost is about $3,400.
Quick Specs
| Oil viscosity | 0W-40 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 9.5 qt |
| OEM oil spec | ACEA A3/B4 |
| EPA combined | 17 MPG |
| Coolant | Long Life |
| Open recalls on record | 1 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.