As of July 2026, CarSearch.Pro's True Value model estimates a typical Porsche 911 GTS (991) is actually worth $129,600 (fair range $114,000 to $145,100). Unlike the median asking price shown above, True Value is anchored to 105 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 $144,000 — about 11% 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 GTS (991) market has 369 active listings across 14 marketplaces tracked by CarSearch.Pro. The median asking price is $143,950, with the middle 50% of listings priced between $126,990 and $162,990. Porsche 911 GTS (991) prices have increased 9.4% over the past quarter, from a median sale price of $127,000 to $139,000.
The typical Porsche 911 GTS (991) on the market has 23,992 miles. Listings spend an average of 76 days on market before selling or being removed.
Current Porsche 911 GTS (991) Pricing
A fair price for a Porsche 911 GTS (991) in July 2026 is between $126,990 and $162,990 (25th to 75th percentile). Prices range from $107,500 to $179,995 across 369 active listings.
Price Distribution (369 Active Listings)
Percentile
Price
Meaning
10th
$107,500
Budget / project cars
25th
$126,990
Below average price
Median (50th)
$143,950
Typical market price
75th
$162,990
Above average / premium
90th
$179,995
Top tier / low miles / rare spec
The average asking price is $145,172, 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
54
$169,900
10,000 - 25,000 mi
140
$153,910
25,000 - 50,000 mi
125
$133,905
50,000 - 100,000 mi
40
$107,990
100,000 - 150,000 mi
4
$108,000
Porsche 911 GTS (991) Price Trends
Porsche 911 GTS (991) prices have increased 9.4% over the past quarter. In 2026-Q2, the median sale price was $139,000 across 33 sales, up from $127,000 in 2026-Q1.
On a year-over-year basis, Porsche 911 GTS (991) prices are up 11.9% ($139,000 vs. $124,216 a year ago).
Porsche 911 GTS (991) Quarterly Sale Prices (Historical)
Quarter
Sales
Median Price
Average Price
2024-Q3
24
$125,888
$123,384
2024-Q4
38
$124,945
$127,013
2025-Q1
40
$124,000
$126,250
2025-Q2
66
$124,216
$124,683
2025-Q3
78
$132,990
$133,859
2025-Q4
82
$132,991
$132,337
2026-Q1
30
$127,000
$122,684
2026-Q2
33
$139,000
$133,984
Best Value Porsche 911 GTS (991) by Model Year
The 2015 Porsche 911 GTS (991) offers the best value with a median price of $114,900 across 44 listings. The most expensive model year is 2018 at a median of $154,190.
Median Price by Model Year
Year
Listings
Median Price
Min
Max
2012
29
$123,997
$67,997
$189,995
2015
44
$114,900
$5,000
$161,911
2016
61
$139,995
$100,000
$239,900
2017
47
$143,450
$74,498
$259,991
2018
73
$154,190
$94,000
$237,979
2019
113
$150,795
$84,900
$237,888
How Mileage Affects Porsche 911 GTS (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 GTS (991) from confirmed sales, referenced to a typical example at about 19,958 miles:
Odometer (approx.)
Value Multiplier
Implied Value
621 mi
1.51x
$195,382
4,951 mi
1.30x
$169,064
11,063 mi
1.11x
$144,145
20,161 mi
1.01x
$130,518
36,922 mi
0.84x
$108,421
62,284 mi
0.73x
$94,039
96,178 mi
0.65x
$84,573
128,000 mi
0.63x
$81,472
300,000 mi
0.52x
$67,354
Low-mileage examples carry a real premium in this market: around 621 miles, cars trade at roughly 1.51x 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 GTS (991) Price Forecast
Horizon
Direction
Probability
Regime
Past Accuracy
6 months
↑ UP
50%
volatile
54% over 48 tests
12 months
↑ UP
53%
volatile
43% over 42 tests
24 months
↑ UP
56%
volatile
43% over 30 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 GTS (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 GTS (991)
The highest concentration of Porsche 911 GTS (991) listings is in CA with 26 active listings, followed by FL (21), AZ (19), TX (14), NY (12).
Regional pricing varies significantly. The lowest median price is in IL at $104,900, while NY has the highest at $199,995. Buyers willing to travel or arrange transport may find savings of $95,095.
Top States by Inventory
State
Listings
Median Price
CA
26
$147,990
FL
21
$139,995
AZ
19
$133,991
TX
14
$134,991
NY
12
$199,995
OH
8
$149,991
NC
8
$134,900
OR
7
$149,900
IL
6
$104,900
GA
5
$108,000
Porsche 911 GTS (991) Market Velocity
Porsche 911 GTS (991) listings spend an average of 76 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 48 days. The lower median suggests most cars sell relatively quickly, while a smaller number of overpriced listings drag up the average.
Porsche 911 GTS (991) Buyer's Guide Summary
Fair price range: $126,990 to $162,990. The median is $143,950. Anything below $126,990 is a strong value; above $162,990 should be premium condition, low miles, or a desirable specification.
Trending up: Porsche 911 GTS (991) prices have risen 9.4% recently. Buying sooner may save money if the trend continues.
Best value year: The 2015 model year has the lowest median price at $114,900, making it the most accessible entry point into Porsche 911 GTS (991) ownership.
Negotiate: With an average of 76 days on market, sellers are often willing to negotiate. Listings over 60 days old are especially open to offers.