2025 GMC Sierra 2500HD
★ GREAT
GMC logoPickup Truck ★ GREAT

2025 GMC Sierra 2500HD

AT4 · Thunderstorm Gray · Portsmouth
$78,995
≈ $1,311/mo · 60mo @ 6.4%
↓ $2,429 below market
Listed 233d ago
Call dealer
7-day, 250-mile return window
Clean title — verified by Carfax
Frame inspection passed
Inspected by certified tech · est. score 93/100
Mileage
15,201 mi
Body
Pickup Truck
Drivetrain
4WD
Fuel
Diesel
MPG
Accidents
None reported

About this GMC Sierra 2500HD

This 2025 GMC Sierra 2500HD AT4 is listed at $78,995 with 15,201 miles on the odometer. Powertrain: 6.6L V-8 Diesel Turbocharged, Automatic, 4WD. Finished in Thunderstorm Gray, this Pickup Truck is well suited to daily driving and longer trips. Available at Seacoast Mazda in Portsmouth, NH. Contact the dealer directly through Carlify to schedule a test drive or request more photos. Looking at other diesel options? Use the related links below to compare similar listings on Carlify.

Gray 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. Recent Arrival!

Inspection summary

Engine & drivetrain93
Brakes & suspension91
Interior condition94
Exterior condition95
Tires89
Electronics97

Inspection scores are estimates based on title status, accident history, and frame condition. Schedule a third-party inspection before purchase.

Fair price meter
Great deal
$2,429 below the median listing price
GreatFairHigh
This car$78,995
Median for similar$81,424
5-year cost to own (est.)
Depreciation $28,438
Fuel $6,200
Insurance $7,100
Maintenance $3,400
Taxes & fees $6,715
Total estimated $51,853

Estimates from typical 12k mi/yr usage. Actuals vary.

Dealership

Seacoast Mazda

180 Spaulding Turnpike

Portsmouth, NH03801

Hours
  • Mon9:00am – 5:30pm
  • Tue9:00am – 5:30pm
  • Wed9:00am – 5:30pm
  • Thu9:00am – 5:30pm
  • Fri9:00am – 5:30pm
  • Sat9:00am – 5:30pm
  • Sun11:00am – 4:00pm

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