Audi RS Q8 asking prices fall 3% since July, and 195 are listed

Used Audi RS Q8 asking prices fell 3% between July and October 2026, measured on comparable cars of the same trim, model year and miles, in listings we tracked through Oct. 1. Our price level for the model stood at 104.3 in June and has slipped every month since, to 103.1 in July, 102 in August, 101.1 in September and 100 in October.

Eleven of the 49 models with a price trend are moving down, and the RS Q8 ranks fifth among them. Twenty-four are flat.

Other Audi models went different ways. The R8 rose 4.7% from July to October, the RS 6 Avant fell 1.8% from June to October, and the RS 7 held steady over the same June-to-October span.

Supply is ample and cuts are common

The market temperature for the RS Q8 is cool. There are 195 RS Q8s for sale, about three months of supply at the recent pace of cars leaving the market, and a typical one takes 61 days to find a buyer or come off sale. Sellers added 69 listings in the last 30 days.

35% of listings took a price cut in the last 90 days, and the median cut was 2.5%.

Older model years sit well below the newest

A 2024 is typically listed at about 86% of a 2026's price, and a 2021 at about 71%. The 4.0T quattro is the trim on 187 of the 195 cars.

Each extra 1,000 miles takes about $400 off a comparable car's price. The Audi RS Q8 price guide shows fair values by model year, and the cheapest Audi RS Q8s start at $55,500.

Three listings priced under fair value

Of the 195 cars, 59 rate as great or good deals, 34 of them great. Another 65 are priced over fair value. If you are shopping, sorting by best deals first puts the cars under fair value at the top.

A Nardo Gray 2024 4.0T quattro with 18,279 miles in Elizabeth, New Jersey, asks $87,493, about $13,000 under its fair value. It has been listed 136 days.

A blue 2025 performance with 6,466 miles in Littleton, Colorado, asks $113,029, about $14,500 under fair value. Only three performance models are for sale.

A Waitomo Blue Metallic 2024 with 2,741 miles in Lake Villa, Illinois, was cut 4.8% on Oct. 1, to $100,357, about $12,000 under fair value. At 149 days listed, it is worth asking for a lower price still.