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Porsche911991Turbo2018 Turbo
1 / 10
For Sale
View on Cars.com

2018 Porsche 911 Turbo

15,519 mi·pdk·GT Silver Metallic·Black/Bordeaux Red
Backroad Analysis
High Confidence
Fair Price

Listing Price

$173,294

Fair Value

$135,268

C
58/100Backroad Tier

Over Fair Value

-$38,026

See full analysis
2018 Porsche 911 Turbo

2018 Porsche 911 Turbo

15,519 mi · pdk · awd · H-6

GT Silver MetallicBlack/Bordeaux Red

Asking Price

$173,294

Fair Value

$135,268

Fair PriceC58-$38,026 over fair value

Porsche Charleston, Charleston, SC

Listed 61 days ago

1 / 10

Mileage

15,519 mi

Exterior

GT Silver Metallic

Interior

Black/Bordeaux Red

Engine

H-6

Transmission

pdk

Drivetrain

awd

Body Style

Cabriolet

Base MSRP

$172,200

2018 Porsche 911 Turbo

For Sale· Listed Mar 26, 2026View on Cars.com
Charleston, SCatPorsche Charleston

VIN:

15,519 miGT Silver MetallicexteriorBlack/Bordeaux Redinterior
Backroad Analysis
High Confidence
Fair Price
+0.3% vs marketHolding Steady

Listing Price

$173,294

Backroad Fair Value

$135,268

Negative Equity

-$38,026

3-Year Projected

$133,215

C

C-Tier

Enthusiast car, not a collectible

58/100

Why It’s a Fair Price

Backroad Valuation

$135,268

LowHigh
$119,325$162,412
High confidence82% of comparable sales land in this range

Car Value Estimate

Listing Price

$173,294

Fair Value

$135,268

Negative Equity

-$38,026

Low

$124,447

Fair Value$135,268

High

$173,294

Value since new — 2018 Porsche 911 Turbo

See how we calculated this

Value Forecast

Projected miles at year 5

25,214

≈ 1,939 mi/yr going forward

Preserved · 15,519Observed · 25,214Heavy · 140,519

+1y

~17,458 mi

+3y

~21,336 mi

+5y

~25,214 mi

1-Year Estimate

$135,560

+0.2%

$118,188 – $165,138

3-Year Estimate

$133,215

-1.5%

$113,578 – $166,647

5-Year Estimate

$129,979

-3.9%

$108,172 – $167,105

Projected value with confidence range over 1, 3, and 5 years
ProjectedHigh / LowConfidence range
BACKROAD SPEC INTELLIGENCE · BACKROAD SPEC INTELLIGENCE · 

Backroad Spec Score

Top 0.5%

Among 397 tracked Turbo examples

Very Rare Configuration

Backroad Spec Intelligence

Color & Specification

Exterior and interior colors with rarity and value impact

Exterior

GT Silver Metallic

+$750

Interior

Black/Bordeaux Red

+$190

Features & Options

How each feature impacts this car's value

Adds Value

Hurts Value

Seller

Porsche Charleston

DealerCharleston, SC
View original listing

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