Real price data
What should you pay for a 2018 Audi A4?
Original MSRP
$36,000
When new
Fair market price
$14,709
Mileage-adjusted
Below MSRP
$21,291
A fair used price
Where prices land
25th $13,995 · 75th $19,491 · MSRP $36,000
Spread of current 2018 Audi A4 listings · 25th–75th percentile marked.
Negotiating leverage
60
out of 100
strong leverage
~54 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
54days of supply
Balanced marketSupply and demand are roughly balanced for the 2018 Audi A4.
National Market Day Supply — how long it would take to sell the current used 2018 Audi A4 inventory at the recent sales rate (lower means it sells faster). Source: MarketCheck.
Estimated dealer cost (invoice)
$33,120–$34,560
Estimated dealer invoice — about $36,000 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 |
|---|---|---|---|
| Premium | $13,617 | $36,000 | $33,120–$34,560 |
| Premium Plus | $15,414 | $39,200 | $36,064–$37,632 |
| Prestige | $18,988 | $50,000 | $46,000–$48,000 |
- Premium
- $13,617
- Premium Plus
- $15,414
- Prestige
- $18,988
Safety & recalls
1 open NHTSA recall on record for the 2018 Audi A4.
SEATS
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Remedy: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
Campaign 21V874000 · 10/11/2021
Source: NHTSA. Contact your dealer to schedule a free recall repair.
Frequently asked questions
What is a fair price for a 2018 Audi A4?
A fair, mileage-adjusted price is about $14,709, within a typical market range of $13,995 to $19,491.
Is the 2018 Audi A4 cheaper than MSRP?
Yes — its original MSRP was about $36,000, so a fair used price is roughly $21,291 below MSRP.
Is now a good time to buy a 2018 Audi A4?
There are about 54 days of national market supply for the 2018 Audi A4 — Supply and demand are roughly balanced for the 2018 Audi A4.
How much can you negotiate on a 2018 Audi A4?
Negotiating leverage rates 60/100 (strong). ~54 days of national supply — strong leverage to negotiate.
What does the dealer pay for a 2018 Audi A4?
The estimated dealer cost (invoice) is roughly $33,120–$34,560 — its $36,000 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 6/25/2026. Estimates only; your price depends on condition, options, and location.