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2026 GMC Sierra HD AT4

Dealer photo · Schwan Buick GMC

Mandan · DEALER LISTING

2026 GMC Sierra HD AT4

$83,939
10 miNew↓ $2,000

Seen on Schwan Buick GMC's website

The dealer sells. Myndauto connects you. Nothing is charged.

View at Schwan Buick GMC

Prices and availability are set by the dealer. Confirm both before you travel.

WHAT WE KNOW

The record.

vehicle / 1GT4UPEY9TF424257
VIN1GT4UPEY9TF424257
year2026
makeGMC
modelSierra HD
trimAT4
bodyPickup
fuelDiesel
conditionnew
mileage10 mi
first seenOct 16, 2026
days in index17
first → current$86,395 → $83,939
last price changeOct 31, 2026
dealerSchwan Buick GMC
ND licenseNot in our directory

Days measured from first seen on Myndauto through Nov 2, 2026. This is not a vehicle-history or condition report.

Recorded asking prices

First$86,395Oct 16, 2026
Previous$85,939Date not retained
Latest$83,939Oct 31, 2026

Stored observations only, in sequence. Spacing is not elapsed time. Intermediate prices and the previous observation's date are not retained.

BEFORE YOU ASK

What goes on the bill.

Doc fee defaults to the ND average. CarEdge, Oct 2026. Your dealer's fee may differ.

Excise tax · 5% after tradeEnter a price
Title$5

Plates: registration by weight and age, roughly $49–$274/yr. Registration is additional and is not included below. EV and plug-in hybrid surcharges may apply.

Estimated out-the-door
After trade, before registrationEnter a price

Estimate. The dealer's written out-the-door price is the one that counts.

ND excise tax · Title and registration

SOLD BY THE DEALER

Schwan Buick GMC

Street address not in our directory
Mandan, ND

Phone not in our directory. Use the dealer listing above.

LIVE · 281 cars

Directory snapshot Nov 2, 2026.

See the dealer record →
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