2018 Lexus RX Depreciation
A 8-year-old 2018 Lexus RX has lost about 49.6% of its roughly $50,520 original value. In the 2026 source cohort, it typically listed for around $22,981, with most listings between $21,170 and $27,080. Listed examples average 115,916 miles.

2018 Lexus RX Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2018 Lexus RX Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| 75k–100k mi | $25,990 | 13 |
| 100k–130k mi | $22,798 | 25 |
| Over 130k mi | $22,248 | 18 |
What's a Good Price for a 2018 Lexus RX?
Great deal
Under $21,784
Typical
$21,784–$23,958
Overpriced
Above $23,958
Based on the middle 50% of listings — always adjust for mileage and condition.
Price Spread
Range across 60 listings.
Half of all listings fall between $21,784 and $23,958, with a median of $22,981.
Ownership & Condition
Across 60 2018 Lexus RX listings.
Accident-free
34.6%
One-owner
11.5%
Avg owners
2.3
Personal use
80.8%
2018 Lexus RX Efficiency & Specs
EPA fuel-economy and powertrain data.
Combined
22 MPG
City / Hwy
19 / 26
Fuel / year
$2,800
Fuel
Regular
Engine
3.5L 6-cyl
EPA class
Small Sport Utility Vehicle 2WD
Depreciation by Trim
See how each 2018 Lexus RX trim holds its value.
How the 2018 Lexus RX Compares to Other Years
At 49.6% depreciation, the 2018 Lexus RX sits among its neighbors on the depreciation curve. The one-year-newer 2019 has lost 44.4% (around $26,253), so stepping up a model year costs roughly $3,272 more. The older 2017 sits at 55.3% (around $20,325), so dropping back a year saves about $2,656. Buying one model year newer or older is one of the easiest ways to trade purchase price against age and remaining warranty.
2018 Lexus RX Listings
Real 2018 RX listings on the market now.

$28,990
2018 F SPORT · Gray
80,411 mi · Baltimore, MD
View listing →

$27,990
2018 · White
86,488 mi · Chicago, IL
View listing →

$26,990
2018 · Red
86,710 mi · Oklahoma City, OK
View listing →

$22,995
2018 F SPORT · Silver
94,495 mi · Natick, MA
View listing →

$22,720
2018 Luxury · Gray
96,804 mi · Alvin, TX
View listing →

$25,990
2018 F SPORT · Gray
101,117 mi · Richmond, VA
View listing →
Live dealer listings, refreshed periodically. Prices and availability change.
Frequently Asked Questions
How much is a 2018 Lexus RX worth?
A 2018 Lexus RX is typically worth around $22,981, with most listings falling between $21,170 and $27,080. The single biggest swing factor is mileage — listed examples average about 115,916 miles, and each additional 10,000 miles shaves a few percent off the price. Condition, accident history, trim, and how many owners a car has had move the number from there. Treat the median as a fair starting point and adjust up for a clean, low-mileage, one-owner car or down for higher mileage and any reported damage.
How much has the 2018 Lexus RX depreciated?
The 2018 Lexus RX has lost about 49.6% of its original $50,520 base MSRP — roughly $25,058 in value, after adjusting listing prices to typical mileage for the age. Most of a car's lifetime depreciation happens in its earliest years, so a vehicle of this age has usually weathered the steepest part of the curve already. That's what makes a well-kept example at this age an efficient buy: you let the original owner absorb the fastest depreciation, then enjoy a much slower decline from here.
How many miles does a used 2018 RX have?
Listed 2018 RXs average about 115,916 miles, with most between 86,677 and 142,578. As a rule of thumb, "average" mileage for any car is roughly 12,000 miles per year of age, so compare a specific listing against that benchmark. A below-average odometer commands a premium and an above-average one a discount, but a higher-mileage car with complete service records and one owner can be a better buy than a low-mileage car with gaps in its history. Consistent maintenance does more for a car's remaining lifespan than a low number on the odometer alone.
What is a good price for a 2018 Lexus RX?
For a 2018 Lexus RX, anything under $21,784 is a strong deal, $21,784 to $23,958 is the typical range where most cars trade, and above $23,958 is on the expensive side — those higher prices usually buy lower mileage, a certified warranty, or a premium trim. Always weigh the asking price against the car's specific mileage and condition rather than the sticker alone: a slightly higher price for a clean, one-owner, accident-free example is often money well spent. And treat a listing priced well below the range as a prompt to dig deeper — unusually cheap cars almost always have a reason, whether it's high mileage, accident history, or a branded title.
Methodology
Figures for the 2018 Lexus RX are computed from 60 real used-car listings. Each asking price is normalized to a standard 12,000 miles per year for the car's age, adjusted by a 5% asking-to-sale estimate, and compared against the original base MSRP for that VIN's trim. Full methodology. Updated June 2026.