As of August 2026, CarSearch.Pro's True Value model estimates a typical Porsche 911 GT3 (991) is actually worth $186,800 (fair range $164,400 to $209,200). Unlike the median asking price shown above, True Value is anchored to 192 recent confirmed sales, normalized for mileage, and blends auction hammer prices (grossed up for buyer's premium) with real-world asking behavior.
Sellers are currently asking a median of $225,900 — about 21% above what these cars have actually been selling for. That gap favors patient buyers: negotiate from the sold data, not the ask.
As of August 2026, the Porsche 911 GT3 (991) market has 690 active listings across 14 marketplaces tracked by CarSearch.Pro. The median asking price is $224,995, with the middle 50% of listings priced between $189,995 and $264,995. Porsche 911 GT3 (991) prices have increased 4.5% over the past quarter, from a median sale price of $219,900 to $229,888.
The typical Porsche 911 GT3 (991) on the market has 15,680 miles. Listings spend an average of 83 days on market before selling or being removed.
Current Porsche 911 GT3 (991) Pricing
A fair price for a Porsche 911 GT3 (991) in August 2026 is between $189,995 and $264,995 (25th to 75th percentile). Prices range from $148,500 to $319,980 across 690 active listings.
Price Distribution (690 Active Listings)
Percentile
Price
Meaning
10th
$148,500
Budget / project cars
25th
$189,995
Below average price
Median (50th)
$224,995
Typical market price
75th
$264,995
Above average / premium
90th
$319,980
Top tier / low miles / rare spec
The average asking price is $232,412, which is higher than the median, indicating that high-priced outliers (rare specifications, very low mileage, or concours-quality examples) pull the average up.
Price by Mileage
Mileage Range
Listings
Median Price
Under 10,000 mi
219
$260,000
10,000 - 25,000 mi
302
$219,900
25,000 - 50,000 mi
158
$196,900
50,000 - 100,000 mi
7
$129,998
Porsche 911 GT3 (991) Price Trends
Porsche 911 GT3 (991) prices have increased 4.5% over the past quarter. In 2026-Q3, the median sale price was $229,888 across 124 sales, up from $219,900 in 2026-Q2.
On a year-over-year basis, Porsche 911 GT3 (991) prices are up 6.9% ($229,888 vs. $214,990 a year ago).
Porsche 911 GT3 (991) Quarterly Sale Prices (Historical)
Quarter
Sales
Median Price
Average Price
2024-Q4
55
$189,800
$194,798
2025-Q1
74
$198,990
$194,873
2025-Q2
79
$200,777
$196,267
2025-Q3
102
$214,990
$206,037
2025-Q4
144
$211,990
$213,232
2026-Q1
202
$209,000
$209,735
2026-Q2
220
$219,900
$215,912
2026-Q3
124
$229,888
$222,203
Best Value Porsche 911 GT3 (991) by Model Year
The 2014 Porsche 911 GT3 (991) offers the best value with a median price of $146,900 across 36 listings. The most expensive model year is 2019 at a median of $269,999.
Median Price by Model Year
Year
Listings
Median Price
Min
Max
2012
1
$115,000
$115,000
$115,000
2014
36
$146,900
$120,000
$172,000
2015
102
$152,179
$97,999
$189,900
2016
90
$224,995
$149,999
$339,900
2018
271
$219,995
$128,000
$549,980
2019
187
$269,999
$15,000
$479,900
How Mileage Affects Porsche 911 GT3 (991) Value
Most price guides assume value falls linearly with mileage. It doesn't. CarSearch.Pro learns the actual price-vs-mileage curve for the Porsche 911 GT3 (991) from confirmed sales, referenced to a typical example at about 8,894 miles:
Odometer (approx.)
Value Multiplier
Implied Value
523 mi
1.23x
$230,012
4,801 mi
1.15x
$215,281
10,478 mi
0.97x
$182,035
20,803 mi
0.89x
$165,449
36,901 mi
0.68x
$126,247
65,001 mi
0.69x
$128,888
97,980 mi
0.74x
$138,484
154,919 mi
0.65x
$121,749
300,000 mi
0.58x
$108,493
Low-mileage examples carry a real premium in this market: around 523 miles, cars trade at roughly 1.23x the reference value. At the other end, 300,000-mile examples trade at about 0.58x. Implied values here are anchored to this market's True Value.
Porsche 911 GT3 (991) Price Forecast
Horizon
Direction
Probability
Regime
Past Accuracy
6 months
↑ UP
54%
volatile
51% over 55 tests
12 months
↑ UP
59%
volatile
69% over 49 tests
24 months
↑ UP
64%
volatile
76% over 37 tests
These are probabilistic direction calls, not price targets. The "Past Accuracy" column is this model's real walk-forward record on the Porsche 911 GT3 (991) — every month we re-run the forecast as if we only knew what was knowable then, and grade it against what actually happened. We publish the hit rate either way. Full methodology & track record →
Where to Buy a Porsche 911 GT3 (991)
The highest concentration of Porsche 911 GT3 (991) listings is in CA with 89 active listings, followed by FL (65), NY (52), TX (46), AZ (35).
Regional pricing varies significantly. The lowest median price is in OR at $152,179, while NY has the highest at $269,109. Buyers willing to travel or arrange transport may find savings of $116,930.
Top States by Inventory
State
Listings
Median Price
CA
89
$224,895
FL
65
$219,995
NY
52
$269,109
TX
46
$227,558
AZ
35
$219,991
NJ
26
$249,999
IL
21
$264,988
WA
16
$214,999
NC
13
$212,998
NV
12
$189,998
Porsche 911 GT3 (991) Market Velocity
Porsche 911 GT3 (991) listings spend an average of 83 days on market. This is a slow-moving market. Listings tend to sit for extended periods, giving buyers significant negotiating power. Sellers should be realistic on pricing and patient.
The median time on market is 45 days. The lower median suggests most cars sell relatively quickly, while a smaller number of overpriced listings drag up the average.
Porsche 911 GT3 (991) Buyer's Guide Summary
Fair price range: $189,995 to $264,995. The median is $224,995. Anything below $189,995 is a strong value; above $264,995 should be premium condition, low miles, or a desirable specification.
Trending up: Porsche 911 GT3 (991) prices have risen 4.5% recently. Buying sooner may save money if the trend continues.
Best value year: The 2014 model year has the lowest median price at $146,900, making it the most accessible entry point into Porsche 911 GT3 (991) ownership.
Negotiate: With an average of 83 days on market, sellers are often willing to negotiate. Listings over 60 days old are especially open to offers.