Buyer Research

2016 Chevrolet Colorado (2.8L Duramax Diesel) — Should You Buy One?

Typical asking price: $18,000–$27,000. There are 2 high-severity known issues you need to know before handing over a check.

Kestrel Take

A midsize truck that tows 7,700 pounds and returns 30 mpg on the highway — a combination nothing else in the class offers. The emissions system is the price of admission, and this engine is much happier on long drives than on short errands.

Known Issues for the 2016 Chevrolet Colorado (2.8L Duramax Diesel)

Ranked by wallet impact. These are documented, recurring problems — not freak accidents.

DPF and emissions system cloggingHigh — wallet impact

Short-trip use prevents regeneration, clogs the filter, and eventually derates the truck. This is the dominant complaint on the diesel Colorado.

Repair cost range: $1,500-$4,000

DEF system and NOx sensor failuresHigh — wallet impact

DEF heater and pump failures trigger countdown-to-derate warnings that immobilize the truck if ignored.

Repair cost range: $800-$2,500

Turbo actuator and EGR sootMedium

Sticking vanes and clogged EGR passages cause underboost and reduced power.

Repair cost range: $1,200-$3,000

Transmission shift qualityMedium

The six-speed can shift harshly, particularly when cold or towing.

Repair cost range: $300 service to $3,500

Walk-Away Red Flags

✗City-only driving history
✗Emissions faults or a history of forced regenerations
✗Deleted emissions with no documentation
✗Cracked or leaking DEF tank

Good Signs

✓Highway commuting or regular towing use
✓Complete emissions service history
✓Fuel and DEF services documented at a dealer

Found a specific Chevrolet Colorado (2.8L Duramax Diesel)?

This page covers what goes wrong on the 2016 Chevrolet Colorado (2.8L Duramax Diesel) in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.

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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.