
2025 GMC Sierra 1500
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
Inspection scores are estimates based on title status, accident history, and frame condition. Schedule a third-party inspection before purchase.
Estimates from typical 12k mi/yr usage. Actuals vary.
- 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