2025 GMC Yukon AT4 Ultimate 3.0L Diesel Review
2025 GMC Yukon AT4 Ultimate 3.0L Diesel reviewed through sourced details on powertrain; performance and efficiency; pricing.
How this review was built: Vehicle facts come from the records listed below. Instrumented figures are presented as results from the listed source.

Overview
This review examines 2025 GMC Yukon AT4 Ultimate 3.0L Diesel, a vehicle documented for the US market, through powertrain; performance and efficiency; pricing.
Powertrain
Published specifications list the optional turbocharged 3.0-liter inline-six diesel at 305 horsepower and 495 pound-feet, paired with a 10-speed automatic in the Yukon AT4 Ultimate.

Performance and Efficiency
The listed source's instrumented test recorded 6.9 seconds to 60 mph and 27 mpg on its 75-mph highway test, calculating more than 640 miles from the 24-gallon tank.

Pricing
Published reporting states a $99,095 starting price for the AT4 Ultimate and a $100,440 as-tested total after the diesel discount and other options.

What the Test Adds
Rather than relying on one headline figure, this test documents acceleration and highway efficiency. The measurements belong to the tested trim and conditions shown by the listed source.

Review Scope
This review centers on the configuration identified above. Instrumented results belong to that test vehicle and should not be applied to every trim in the model line.

Buyer Context
Use the listed model year and configuration when comparing these figures; equipment, tires, and test conditions can materially change the result.

Evidence Summary
The available record makes powertrain; performance and efficiency; pricing the clearest basis for understanding 2025 GMC Yukon AT4 Ultimate 3.0L Diesel. Final equipment and pricing remain configuration-dependent.
source-checked · as of Jul 21, 2026
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