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Porsche 911Model year report

2021 Porsche 911 Problems

Complaints
5filed with NHTSA
Median mileage
623miles, 1 complaints with mileage
Recalls
61 do-not-drive
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
—no overall rating published
EPA fuel economy
20 mpgcombined, 3.0L 6-cyl AWD · 18 city / 24 hwy

Sources: NHTSA records for the 2021 Porsche 911 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 5 consumer complaints for the 2021 Porsche 911. The part named most often is fuel system, with 3 complaints (60% of the total), followed by equipment (1) and seats (1). 1 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 623 miles. Of all complaints, 1 a fire, according to the filers. NHTSA lists 6 recall campaigns (1 marked do-not-drive) and 676 technical service bulletins for this model year. Fuel system complaints overlap with 17 technical service bulletins filed under the same part. Equipment complaints overlap with 130 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Fuel system: “The fuel injection problem on cylinder 2 and 4 had injector electrical faults for the last two years resulting in reduced power warning. I finally took my car to the dealer for an analysis. After their analysis here is their statement on the service invoice: Client state check engine light comes on and vehicle will run rough - Client scan for codes and had codes P0202 & P0204. Cylinder 2 and 4 fuel injector electrical faults. After updating DME software, clearing faults and test driving, mil illuminated again. Quoted fuel injector replacement. …”

NHTSA complaint #11721529, filed 2026-03

Seats: “The seat back release on both seats is very hard to pull. On the drivers side the strap broke free while attempting to exit and the seat would not release. This could be a safety danger in a crash when rear seat occupants would not be able to exit”

NHTSA complaint #11416472, filed 2021-05, 623 miles

Mileage when problems were reported

100% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 623 and 623 miles.

100%0–100%10–250%25–500%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (1 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 623 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20212202522026
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2021 Porsche 911 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
911 Targa 4 AWD3.0L 6-cyl8-speed automatic182420$4,100
911 Targa 4S AWD3.0L 6-cyl7-speed manual172420$4,100
911 Targa 4S AWD3.0L 6-cyl8-speed automatic182320$4,100
911 Turbo AWD3.7L 6-cyl8-speed automatic152017$4,850
911 Turbo Cabriolet AWD3.7L 6-cyl8-speed automatic152017$4,850

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2021 Porsche 911 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 676 on record; the latest 10 are shown.

See all 676 bulletins →

Other model years of the Porsche 911

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20246—4—15—Too new
202210—4—20—Not enough data
202156236—20—Not enough data
20205—2———Not enough data
2015820,5151—22—Not enough data
2013617,0000—19—Not enough data
2012525,5001—21—Not enough data
2004817,0420———Not enough data
2003965,5001———Not enough data
2002952,4000—19—Not enough data
2001839,0000———Not enough data
2000630,5001———Not enough data
1999847,8631———Not enough data
19966—3—18—Not enough data
199512110,5000—18—Not enough data

All Porsche 911 model years

Frequently asked questions

How many NHTSA complaints does the 2021 Porsche 911 have?

NHTSA recorded 5 consumer complaints for the 2021 Porsche 911 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2021 Porsche 911 is reported most often?

Fuel system is named most often, in 3 complaints (60% of the total), followed by equipment with 1.

Has the 2021 Porsche 911 been recalled?

NHTSA lists 6 recall campaigns for this model year, 1 of them with a do-not-drive advisory. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2021 Porsche 911 get?

The EPA rates the 2021 Porsche 911 (911 Targa 4, 3.0L 6-cyl) at 20 mpg combined, 18 city and 24 highway, with an estimated annual fuel cost of $4,100 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2021 Porsche 911 reported?

Among the 1 complaints that include a mileage, the median is 623 miles and the middle half falls between 623 and 623 miles; 100% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.