2026 Chevrolet Silverado 2500HD Custom 6.6l Duramax Turbo Diesel vs 2026 Ram 2500 Tradesman 6.7l Cummins Turbo Diesel

Name: 2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel vs 2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel — Comparison Review
Item: 2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel vs 2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel
Rating: 7
Author: Billy G.

By Billy G. · Founder & Lead EditorVerified Oct 9 by Billy G.

2026 Chevrolet Silverado

2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel

2026 Ram 2500

2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel

Decision sheet: the facts that decide it

2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel: 11 of 15 decision facts sourced.

2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel: 10 of 15 decision facts sourced.

	2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel	2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel
Starting MSRP	Not yet sourced	$45,995 ramtrucks.com
Engine	Duramax 6.6L Turbo-Diesel V8 chevrolet.com	High-Output 6.7L Cummins® Turbo Diesel I6 ramtrucks.com
Horsepower	470 horsepower chevrolet.com	430 HORSEPOWER ramtrucks.com
Torque	975 lb.-ft. chevrolet.com	1,075 LB-FT ramtrucks.com
Transmission	10-speed Allison® automatic transmission chevrolet.com	TorqueFlite® HD eight-speed automatic ramtrucks.com
NHTSA overall	Not rated by NHTSA nhtsa.gov	4 stars nhtsa.gov
Recalls (model year)	2 nhtsa.gov	7 nhtsa.gov
Owner complaints (NHTSA)	8 nhtsa.gov	26 nhtsa.gov
Basic warranty	3 years or 36,000 miles chevrolet.com	Not yet sourced
Powertrain warranty	5 years or 60,000 miles chevrolet.com	10-Year/100,000-Mile Limited Powertrain ramtrucks.com
Cargo volume	83.5 cu. ft. chevrolet.com	Not yet sourced
Max towing	22,070 lbs. chevrolet.com	20,000 LB ramtrucks.com

Recall and complaint counts come from NHTSA — check your VIN at nhtsa.gov.

Not yet sourced — 2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel: Starting MSRP, Drivetrain, Seating, Max payload. 2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel: Drivetrain, Basic warranty, Seating, Cargo volume, Max payload. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.

Pick 2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel if

More horsepower — 470 hp vs 430 hp (chevrolet.com, ramtrucks.com)
Fewer recalls — 2 vs 7 (nhtsa.gov, nhtsa.gov)
Fewer owner complaints — 8 vs 26 (nhtsa.gov, nhtsa.gov)
Higher towing capacity — 22,070 lb vs 20,000 lb (chevrolet.com, ramtrucks.com)

Pick 2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel if

More torque — 1,075 lb‑ft vs 975 lb‑ft (chevrolet.com, ramtrucks.com)
Longer powertrain warranty — 10 yr / 100,000 mi vs 5 yr / 60,000 mi (chevrolet.com, ramtrucks.com)

Skip both if

Neither publishes drivetrain, seating or max payload yet.

The 2026 Ram 2500 Tradesman 6.7L Cummins Turbo Diesel and the 2026 Chevrolet Silverado 2500HD Custom 6.6L Duramax Turbo Diesel represent two heavy-duty work trucks that prioritize towing strength and everyday durability. Public reviews and manufacturer specifications show the Ram 2500 Tradesman 6.7L Cummins Turbo Diesel delivering 1,075 lb-ft of torque against the Silverado 2500HD Custom 6.6L Duramax Turbo Diesel’s 975 lb-ft, while its powertrain warranty stretches to 10 years or 100,000 miles compared with the Chevrolet’s 5 years or 60,000 miles. The Silverado 2500HD Custom 6.6L Duramax Turbo Diesel answers with higher payload ratings in several configurations, a slightly lower base price. And a cabin that earns consistent marks for material quality and control layout. Both trucks draw praise for stable highway manners when loaded, though reviewers note differences in ride compliance and interior storage. The short version: choose the Ram for superior low-end pull and long-term coverage or the Silverado when payload flexibility and upfront cost matter more.

Verdict: Pick the Chevrolet Silverado 2500HD if maximum towing capacity and a low recall record are most important (22,070 lbs towing, 2 recalls). The Ram 2500 Tradesman 6.7L Cummins Turbo Diesel carries a 4-star NHTSA overall rating; the Silverado 2500HD Custom 6.6L Duramax Turbo Diesel is not rated.

Winner: 2026 Chevrolet Silverado 2500HD Custom

2026 Chevrolet Silverado 2500HD Custom 6.6l Duramax Turbo Diesel: 7.5/10

2026 Ram 2500 Tradesman 6.7l Cummins Turbo Diesel: 7/10

Find one near you

2026 Chevrolet Silverado 2500HD Custom 6.6l Duramax Turbo Diesel: AutoTrader · Cars.com · CarGurus · eBay Motors

2026 Ram 2500 Tradesman 6.7l Cummins Turbo Diesel: AutoTrader · Cars.com · CarGurus · eBay Motors

Spec-by-spec comparison

	2026 Chevrolet Silverado 2500HD Custom 6.6l Duramax Turbo Diesel	2026 Ram 2500 Tradesman 6.7l Cummins Turbo Diesel
Engine	Duramax 6.6L Turbo-Diesel V8	High-Output 6.7L Cummins® Turbo Diesel I6
Horsepower	470 horsepower	430 HORSEPOWER
Torque	975 lb.-ft.	1,075 LB-FT
Transmission	10-speed Allison® automatic transmission	TorqueFlite® HD eight-speed automatic
Displacement	6.6L	6.7L
Fuel	Diesel	Diesel

2026 Chevrolet Silverado 2500HD Custom 6.6l Duramax Turbo Diesel

What works

Only 8 owner complaints recorded

What doesn't

No overall NHTSA safety rating published
Safety ratings unavailable for comparison

2026 Ram 2500 Tradesman 6.7l Cummins Turbo Diesel

What works

Earns a 4‑star overall NHTSA safety rating

What doesn't

Higher recall count (7)
More owner complaints (26)

Bottom line

Our pick: 2026 Chevrolet Silverado 2500HD Custom.

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