As of July 2026, CarSearch.Pro's True Value model estimates a typical Porsche 911 GT3 (991) is actually worth $183,700 (fair range $161,700 to $205,800). Unlike the median asking price shown above, True Value is anchored to 185 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 $220,000 — about 20% above what these cars have actually been selling for. That gap favors patient buyers: negotiate from the sold data, not the ask.
As of July 2026, the Porsche 911 GT3 (991) market has 779 active listings across 14 marketplaces tracked by CarSearch.Pro. The median asking price is $219,997, with the middle 50% of listings priced between $179,960 and $249,999. Porsche 911 GT3 (991) prices have decreased 18.8% over the past quarter, from a median sale price of $210,000 to $170,422.
The typical Porsche 911 GT3 (991) on the market has 15,592 miles. Listings spend an average of 70 days on market before selling or being removed.
Current Porsche 911 GT3 (991) Pricing
A fair price for a Porsche 911 GT3 (991) in July 2026 is between $179,960 and $249,999 (25th to 75th percentile). Prices range from $142,000 to $284,020 across 779 active listings.
Price Distribution (779 Active Listings)
Percentile
Price
Meaning
10th
$142,000
Budget / project cars
25th
$179,960
Below average price
Median (50th)
$219,997
Typical market price
75th
$249,999
Above average / premium
90th
$284,020
Top tier / low miles / rare spec
The average asking price is $218,760, which is lower than the median, suggesting pricing is relatively symmetrical across the market.
Price by Mileage
Mileage Range
Listings
Median Price
Under 10,000 mi
246
$253,999
10,000 - 25,000 mi
353
$215,998
25,000 - 50,000 mi
154
$169,162
50,000 - 100,000 mi
15
$155,555
Porsche 911 GT3 (991) Price Trends
Porsche 911 GT3 (991) prices have decreased 18.8% over the past quarter. In 2026-Q3, the median sale price was $170,422 across 5 sales, down from $210,000 in 2026-Q2.
On a year-over-year basis, Porsche 911 GT3 (991) prices are down 20.7% ($170,422 vs. $214,990 a year ago).
Porsche 911 GT3 (991) Quarterly Sale Prices (Historical)
Quarter
Sales
Median Price
Average Price
2024-Q4
87
$192,995
$197,236
2025-Q1
74
$198,990
$194,873
2025-Q2
79
$200,777
$196,267
2025-Q3
103
$214,990
$206,512
2025-Q4
142
$211,990
$212,891
2026-Q1
99
$199,900
$202,433
2026-Q2
40
$210,000
$203,771
2026-Q3
5
$170,422
$174,677
Best Value Porsche 911 GT3 (991) by Model Year
The 2014 Porsche 911 GT3 (991) offers the best value with a median price of $142,990 across 50 listings. The most expensive model year is 2019 at a median of $264,721.
Median Price by Model Year
Year
Listings
Median Price
Min
Max
2012
1
$87,000
$87,000
$87,000
2014
50
$142,990
$118,998
$172,000
2015
116
$147,990
$110,000
$229,995
2016
123
$215,991
$119,800
$339,900
2018
286
$222,799
$139,991
$429,995
2019
200
$264,721
$80,000
$399,990
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 8,041 miles:
Odometer (approx.)
Value Multiplier
Implied Value
534 mi
1.22x
$223,423
4,760 mi
1.15x
$211,617
10,555 mi
0.94x
$173,488
20,861 mi
0.86x
$157,780
36,554 mi
0.68x
$124,999
64,527 mi
0.72x
$132,268
97,980 mi
0.75x
$137,319
154,919 mi
0.65x
$119,151
300,000 mi
0.52x
$95,471
Low-mileage examples carry a real premium in this market: around 534 miles, cars trade at roughly 1.22x the reference value. At the other end, 300,000-mile examples trade at about 0.52x. 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
55%
volatile
54% over 54 tests
12 months
↑ UP
60%
volatile
73% over 48 tests
24 months
↑ UP
66%
volatile
78% over 36 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 64 active listings, followed by FL (44), TX (40), AZ (35), NY (21).
Regional pricing varies significantly. The lowest median price is in OR at $148,692, while NY has the highest at $260,000. Buyers willing to travel or arrange transport may find savings of $111,308.
Top States by Inventory
State
Listings
Median Price
CA
64
$224,080
FL
44
$229,813
TX
40
$233,215
AZ
35
$211,991
NY
21
$260,000
NC
20
$222,799
NJ
18
$199,995
IL
16
$222,881
MA
14
$249,000
GA
13
$224,900
Porsche 911 GT3 (991) Market Velocity
Porsche 911 GT3 (991) listings spend an average of 70 days on market. This is a slower market. Buyers have negotiating leverage, especially on listings that have been active for 60+ days. Sellers should consider competitive pricing from the start.
The median time on market is 40 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: $179,960 to $249,999. The median is $219,997. Anything below $179,960 is a strong value; above $249,999 should be premium condition, low miles, or a desirable specification.
Trending down: Porsche 911 GT3 (991) prices have dropped 18.8% recently. Patient buyers may benefit from waiting, but desirable examples still sell quickly.
Best value year: The 2014 model year has the lowest median price at $142,990, making it the most accessible entry point into Porsche 911 GT3 (991) ownership.
Negotiate: With an average of 70 days on market, sellers are often willing to negotiate. Listings over 60 days old are especially open to offers.