2021 Porsche Panamera: common problems
Owners of the 2021 Porsche Panamera filed 2 complaints with NHTSA, most often about powertrain. The maker issued 592 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 2
- Technical service bulletins (TSB)
- 592

What fails most often
- Powertrain: 1 complaints (50% of all); manufacturer bulletins for this component: 25.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.9 L · petrol · turbo · 6 cyl
- 4 L · petrol · turbo · 8 cyl
- 2.9 L · plug-in hybrid · turbo · 6 cyl
- 4 L · plug-in hybrid · turbo · 8 cyl
- dual-clutch (DCT), 8-speed
Drive: AWD, RWD
Symptoms owners describe
How many of the 2 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 1 | 0 | 25 |
| Electrical system | 0 | 0 | 144 |
| Equipment | 0 | 0 | 129 |
| Engine and cooling | 0 | 0 | 79 |
| Engine | 0 | 0 | 75 |
| Structure | 0 | 0 | 25 |
| Wheels | 0 | 0 | 23 |
| Visibility | 0 | 0 | 19 |
| Service brakes | 0 | 0 | 14 |
| Suspension | 0 | 0 | 12 |
| Fuel/propulsion system | 0 | 0 | 10 |
| Steering | 0 | 0 | 10 |
| Fuel system | 0 | 0 | 9 |
| Seats | 0 | 0 | 7 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The car is experiencing failure during drive, it self shifts itself to neutral while driving as well failed AC system. Yesterday, 3/19/23, on freeway, I almost got into car accident because of that shift. The car suddenly stopped, and almost got hit by other 3 cars behind me.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,862 of 2,102 model years in the NHTSA data (among the 11% least complained about).
On average one model year of the Panamera has 3 complaints (11 years in the data). This year has 2, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
- Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
- Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
- Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers
- Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available
- Product Knowledge for Model Type Designations
- Product Knowledge for Chassis/VIN Numbering Systems
- Parts Information for Parts Withdrawal - Coolant Regulator Housing
- Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System
- Shrill Humming/Clacking Noise from the Engine Compartment
Check Mounting/Fastening of the ATF Cooler and/or ATF Lines (SY 51/26)
NHTSA lists 592 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2021 Porsche Panamera?
Owner complaints to NHTSA most often mention: powertrain. Total complaints: 2. The most frequent symptoms in complaint texts: battery drain (50%), A/C or heater (50%), won't start (50%).
How many service bulletins (TSB) were issued for the 2021 Porsche Panamera?
NHTSA lists 592 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 Porsche Panamera from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.