Market price · Used 2018 Mercedes-Benz G-Class 85 listings tracked

Used 2018 Mercedes-Benz G-Class Price in the US

A used 2018 Mercedes-Benz G-Class in the US typically lists for $66,000–$93,880, with a median asking price of $73,888 across 85 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $49,687, a 2018 G550 Base in Reno, NV — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Mercedes-Benz G-Class · asking prices85 listings

median $73.9k ◀ cheapest $49.7k

$50k$160k

Typical range: $66,000 – $93,880
Median: $73,888
Cheapest 5%: under $55,697
Cheapest listed now: $49,687

Browse by model year

typical price per year

More years (18)

Cheapest 10 listed right now

ranked by price

$49,687

2018 Mercedes-Benz G-Class G550 Base

105,328 mi · Reno, NV · Mercedes-Benz Of Reno
View listing →
$49,900

2018 Mercedes-Benz G-Class G550 Base

101,813 mi · Birmingham, AL · Goldstar Auto Brokers
View listing →
$53,000

2018 Mercedes-Benz G-Class AMG G63

111,920 mi · Wilmington, NC · Private Seller Exchange
View listing →
$53,623

2018 Mercedes-Benz G-Class G550 Base

109,551 mi · Lafayette, IN · Lincoln of Lafayette
View listing →
$55,373

2018 Mercedes-Benz G-Class AMG G63

96,969 mi · Aurora, IL · Motor Cars Mitsubishi
View listing →
$56,995

2018 Mercedes-Benz G-Class AMG G63

136,449 mi · Costa Mesa, CA · Autos Direct A Nuvo Trade Co.
View listing →
$58,549

2018 Mercedes-Benz G-Class AMG G63

100,834 mi · Snellville, GA · Amazing Luxury Cars Snellville
View listing →
$59,990

2018 Mercedes-Benz G-Class G550 Base

82,793 mi · Houston, TX · Mossy INEOS Grenadier
View listing →
$62,991

2018 Mercedes-Benz G-Class AMG G63

79,129 mi · Houston, TX · Joe Myers Ford
View listing →
$63,189

2018 Mercedes-Benz G-Class AMG G63

89,412 mi · Rahway, NJ · Cars By A.J.
View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 Mercedes-Benz G-Class asks $66,000–$93,880. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Mercedes-Benz G-Class cost?

A used 2018 Mercedes-Benz G-Class in the US typically lists for $66,000 to $93,880, with a median asking price of $73,888 across 85 active US dealer listings. Nine in ten are priced between $55,697 and $154,962 (as of 2026-10-18, source: UnderMarket Cars).

Is $74,000 a good price for a used 2018 Mercedes-Benz G-Class?

That sits at about the market median ($73,888) for a used 2018 Mercedes-Benz G-Class. Under $66,000 puts you in the cheapest quarter of active US listings and under $55,697 in the cheapest 5%; above $154,962 is the priciest 5% (as of 2026-10-18).

What is the cheapest used 2018 Mercedes-Benz G-Class for sale right now?

$49,687 — a 2018 Mercedes-Benz G-Class G550 Base in Reno, NV, $24,201 under the median (as of 2026-10-18).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2018 Mercedes-Benz G-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-18.

Explore more

All used Mercedes-Benz models

Search with map & filters

Prices updated 2026-10-18. Data covers active dealer listings across the USA.