How Much to Lease an Audi RS6 in 2026

Three Audi rows, three propulsion eras

The wagon takes the school run and the autobahn with the same face. That is the picture. Term, miles, money factor, and residual are the error signal — and across Audi's three rows the signal moves exactly with what is under the hood.

Luxemetry carries three fast Audis: the RS6 Avant, the R8, and the RS e-tron GT. I do not invent a monthly for an RS7, an RS Q8, an S6, or a plain e-tron GT. Those are not calculator rows on this site.

All figures assume 36 months, 10,000 miles a year, a 0.0027 money factor (6.48% comparison shorthand, not loan APR), 10% cash down, capitalized fees, cash fees, and 7.25% tax on the payment. Due at signing is the calculator's 10% down plus fees and the first month. Data snapshot: August 2026. Not dealer quotes.

• RS6 Avant. MSRP $128,000. Residual 54% ($69,120). Market adj. −4%. About $1,775 a month. Due at signing $15,775. Cash over the term $77,899.

• R8. MSRP $197,000. Residual 61% ($120,170). Market adj. +3% over sticker. About $2,792 a month. Due at signing $23,692. Cash over the term $121,425.

• RS e-tron GT. MSRP $148,000. Residual 45% ($66,600). Market adj. −12%. About $2,018 a month. Due at signing $18,018. Cash over the term $88,647.

Official RS6 sticker, one site row

Audi USA's 2026 RS 6 Avant performance page, fetched 30 August 2026, prints one price: starting at $130,700, for a 621-horsepower twin-turbo V8 wagon. No lease figure is printed on that page.

This site's RS6 row is $128,000 — from the August 2026 snapshot, now sitting $2,700 under the printed sticker — with a 54% residual. About $1,775 a month under the assumptions above. The figure is the Luxemetry model, not an Audi Financial Services program.

The −4% market adjustment is modest by German-sedan standards; the S-Class and i7 rows carry 8% and 13%. A fast wagon with a cult following does not have to buy its buyers.

I do not publish RS7 or RS Q8 monthlies, and the R8 row is the coupe this site models — I do not scale it for a Spyder or a GT trim.

One badge, sixteen points of residual

A lease is a rental of depreciation, and Audi's three rows price three different beliefs about the future. The R8 — naturally aspirated V10, out of production, no successor announced — residuals at 61% and transacts 3% over sticker. The market is treating the last of the breed as a collectible while the bank still writes leases on it.

The RS6 Avant holds the sensible middle: 54% residual, small discount, and a payment of about $1,775 that undercuts an M8's $2,008 on a $18,000 lower sticker. Three-year modeled retention is 63% — the wagon sheds $47,360 of $128,000, ordinary for the class.

The RS e-tron GT is the same company's electric thesis, and the market grades it like every other six-figure EV on this site: 45% residual, a 12% discount at the desk, and $79,920 of modeled three-year depreciation. It shares hardware with the Taycan row — 46%, about $1,531 — and the two payments differ mostly because the Audi stickers $42,000 higher.

• R8 vs Huracan (this site). Same V10 family: Huracan residuals at 62% of $249,000 for about $3,372; the R8 at 61% of $197,000 for about $2,792. The Lamborghini badge costs $580 a month on near-identical bones.

• RS6 vs BMW M8 (this site). RS6 $1,775 on 54%; M8 $2,008 on 47%. The wagon is cheaper and the residual is why.

• RS e-tron GT vs Taycan (this site). 45% vs 46% residual, $2,018 vs $1,531 — platform twins, priced apart by sticker, graded together by the market.

What three and five years actually cost

RS6 Avant: three-year retention 63%, a $47,360 loss. Five-year total cost of ownership at 5,000 miles a year is $99,566 — about $1,659 a month with insurance at $2,900 and maintenance at $2,400. Ownership models under the $1,775 lease here, but only just; the curve is close to indifferent, which is rare on this site.

R8: three-year retention 73%, a loss of $53,190 on $197,000. Like the Corvette Z06's 77%, retention that strong argues for buying — the equity kept at year three tends to beat what the lease saved, and five-year ownership models at about $2,059 a month against the $2,792 lease.

RS e-tron GT: three-year retention 46%, five-year ownership about $2,097 a month against the $2,018 lease. The electric one is the only Audi of the three where the lease clearly wins — the same verdict as the Taycan, for the same reason. Match the contract to the curve, not the badge.

What I do with a dealer quote

I agree the selling price as if I were paying cash — full discount on the RS6 and the e-tron GT, and on the R8 I accept that over-sticker is the price of the last V10. Then I ask for the five inputs: capitalized cost, residual percentage for this exact term and mileage, money factor, term, and mileage allowance.

I put those five into the lease calculator. If the formula and the worksheet disagree, a fee is in the deal I have not been shown.

These estimates use 10,000 miles a year. If I need more, the residual falls; buying the miles up front beats the excess-mileage bill at return. A large check at signing is prepaid depreciation, not equity.

Three desks: brochure, live row, methodology

I keep three sheets on this desk. Audi USA's RS6 Avant overview is for the official sticker I already quoted. Residual and money factor are not on that page.

The live RS6 row is https://luxemetry.com/cars/audi/rs6-avant : $128,000, 54% residual, about $1,775 a month. The R8 row is $197,000, 61%, about $2,792. The RS e-tron GT row is $148,000, 45%, about $2,018. Same term, miles, and money factor throughout.

How those residuals are built is on https://luxemetry.com/methodology . Sixteen points of residual between the R8 and the RS e-tron GT is the error signal, not a different badge.