Real price data
What should you pay for a 2018 Kia Soul?
Original MSRP
$17,800
When new
Fair market price
$10,462
Mileage-adjusted
Below MSRP
$7,338
A fair used price
Where prices land
25th $8,995 · 75th $12,370 · MSRP $17,800
Spread of current 2018 Kia Soul listings · 25th–75th percentile marked.
Negotiating leverage
72
out of 100
strong leverage
~65 days of national supply — strong leverage to negotiate.
Ridekick's negotiating-leverage score blends national Market Day Supply with how far listings sit above the mileage-adjusted fair price. Higher means more room to negotiate.
Market demand & negotiating leverage
65days of supply
Buyer's marketInventory is moving slowly, so buyers typically have more room to negotiate on a 2018 Kia Soul.
National Market Day Supply — how long it would take to sell the current used 2018 Kia Soul inventory at the recent sales rate (lower means it sells faster). Source: MarketCheck.
Estimated dealer cost (invoice)
$16,376–$17,088
Estimated dealer invoice — about $17,800 MSRP minus a typical 4–8% manufacturer margin.
An estimate, not a sourced figure. Actual dealer invoice varies with manufacturer incentives, holdback, and regional pricing.
Fair price by trim
| Trim | Fair price | MSRP | Est. dealer cost |
|---|---|---|---|
| Base | $10,423 | $17,800 | $16,376–$17,088 |
- Base
- $10,423
Fuel economy
26
MPG city
31
MPG highway
28
MPG combined
EPA-estimated fuel economy for a representative 2018 Kia Soul configuration (Regular).
Safety & recalls
1 open NHTSA recall on record for the 2018 Kia Soul.
AIR BAGS
Kia Motors America (Kia) is recalling certain 2017-2019 Sedona, Soul, Soul EV, 2017-2018 Forte, and 2017 Forte Koup vehicles. The Air Bag Control Unit (ACU) cover may contact a memory chip on the printed circuit board and damage the electrical circuit. Circuit damage may result in deactivated air bags that will not deploy in a crash.
Remedy: Dealers will inspect the ACU, and either update the software or replace the unit, as necessary. Repairs will be performed free of charge. Owner notification letters were mailed March 21, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC226.
Campaign 22V031000 · 25/01/2022
Source: NHTSA. Contact your dealer to schedule a free recall repair.
Frequently asked questions
What is a fair price for a 2018 Kia Soul?
A fair, mileage-adjusted price is about $10,462, within a typical market range of $8,995 to $12,370.
Is the 2018 Kia Soul cheaper than MSRP?
Yes — its original MSRP was about $17,800, so a fair used price is roughly $7,338 below MSRP.
Is now a good time to buy a 2018 Kia Soul?
There are about 65 days of national market supply for the 2018 Kia Soul — Inventory is moving slowly, so buyers typically have more room to negotiate on a 2018 Kia Soul.
How much can you negotiate on a 2018 Kia Soul?
Negotiating leverage rates 72/100 (strong). ~65 days of national supply — strong leverage to negotiate.
What does the dealer pay for a 2018 Kia Soul?
The estimated dealer cost (invoice) is roughly $16,376–$17,088 — its $17,800 MSRP minus a typical 4–8% margin. An estimate; actual invoice varies.
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Prices are computed from live market listings, adjusted for mileage, and aggregated by trim · updated 6/24/2026. Estimates only; your price depends on condition, options, and location.