2021 Porsche 911 Carrera 4
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2021 Porsche 911 Carrera 4 is worth — from official NHTSA and EPA data. 5 on record.
2021 Porsche 911 Carrera 4 at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2021 Porsche 911 Carrera 4 recalls 0
No NHTSA safety-recall campaigns are on record for the 2021 Porsche 911 Carrera 4.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2021 Porsche 911 Carrera 4 common problems
The most-reported problem areas across all 5 owner complaints filed with NHTSA — and what to check before you buy.
2021 Porsche 911 Carrera 4 MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2021 Porsche 911 Carrera 4 costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2021 Porsche 911 Carrera 4 — ranges cover the 2 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 670
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 670.
Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering
Bulletin No. 64-26-1 · Steering, Suspension, Wheels · Sep 2026Symptom-based workshop manual for Noises from Front Wiper Blade
Bulletin No. 96-26 · Structure, Visibility/wiper · Sep 2026Technical Information for Wind Noises when Driving from the Sunroof Area
Bulletin No. 92-26 · Structure, Visibility/wiper · Sep 2026Technical Information for Particles/Metal Chips/Residues in Engine Oil
Bulletin No. 91-26 · Power Train, Engine · Sep 2026Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
Bulletin No. 31-26 · Power Train, Engine · Sep 2026Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
Bulletin No. 30-26 · Power Train, Engine · Sep 2026Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
Bulletin No. 29-26 · Power Train, Engine · Sep 2026Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
Bulletin SPTL2609 · Steering, Suspension, Wheels · Sep 2026Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
Bulletin No. 86-26 · Electrical System, Exterior Lighting · Sep 2026Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
Bulletin No. 36-26 · Power Train, Engine · Sep 2026Source: NHTSA Office of Defects Investigation, listed for the 911 CARRERA 4 AWD. Model-year data, not specific to one car.