2025 GMC Sierra 1500
★ EXCELLENT
GMC logoPickup Truck ★ EXCELLENT

2025 GMC Sierra 1500

AT4 · Thunderstorm Gray · Portsmouth
$65,995
≈ $1,095/mo · 60mo @ 6.4%
↓ $3,650 below market
Listed 383d 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
342 mi
Body
Pickup Truck
Drivetrain
4WD
Fuel
Diesel
MPG
24 mpg
Accidents
None reported

About this GMC Sierra 1500

This 2025 GMC Sierra 1500 AT4 is listed at $65,995 with 342 miles on the odometer. Powertrain: 3.0L V-6 Diesel V, Automatic, 4WD. EPA-estimated fuel economy is 22 city / 26 highway MPG. 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 1500 AT4 4WD 10-Speed Automatic 3.0L I6 10-Speed Automatic, 4WD, Leather.

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
Listed price
$3,650 below the median listing price
GreatFairHigh
This car$65,995
Median for similar$69,645
5-year cost to own (est.)
Depreciation $23,758
Fuel $6,200
Insurance $7,100
Maintenance $3,400
Taxes & fees $5,610
Total estimated $46,068

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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