The 2027 Chevrolet Silverado 1500 is a ground-up, fifth-generation redesign, and Tulsa buyers can now see its full powertrain roster: four engines from 305 to 481 horsepower, all paired with a 10-speed automatic. This page carries every published spec, from engine output and curb weight to tow ratings and the safety suite. See the Trims page for the full per-trim breakdown.

Engine Specifications

Four engines make up the 2027 lineup, two of them entirely new.

Engine	Type	Horsepower	Torque	Transmission
2.7L TurboMax	Turbocharged four-cylinder, enhanced for 2027	350 hp	455 lb-ft	10-speed automatic
5.7L V8	Next-generation small-block V8, 350 cubic inches	402 hp	428 lb-ft	10-speed automatic
6.6L V8	Next-generation small-block V8, 400 cubic inches	481 hp	501 lb-ft	10-speed automatic
3.0L Duramax Turbo-Diesel	Turbo-diesel inline-six	305 hp	495 lb-ft	10-speed automatic

Chevrolet bills the 6.6L V8 as the most powerful naturally aspirated V8 in its class, a GM-estimated claim. Both V8s use direct and port fuel injection. The 2.7L TurboMax gains 40 horsepower over the outgoing engine and is newly paired with the 10-speed for 2027, replacing the prior 8-speed.

Engines by Trim

Trim	Standard engine	Also available
Work Truck	2.7L TurboMax	3.0L Duramax Turbo-Diesel
High Country	5.7L V8	6.6L V8, 3.0L Duramax Turbo-Diesel
ZR2	3.0L Duramax Turbo-Diesel	6.6L V8

Exterior Dimensions

The 2027 Silverado 1500 comes in Regular Cab, Double Cab and Crew Cab body styles. Curb weight starts at 4,560 lbs for the 2.7L TurboMax Regular Cab in 2WD and reaches 6,140 lbs for the 3.0L Duramax Crew Cab 4WD ZR2. Gross vehicle weight rating runs from 6,900 lbs up to 7,500 lbs, the top figure belonging to the 4WD ZR2 Crew Cab.

The all-new exterior brings LED headlamps and taillamps standard on every trim, more pronounced wheel-opening moldings and rocker treatments, and standard dual exhaust on Custom and every trim above it. Off-road trims (Custom Trail Boss, Trail Boss, ZR2) carry a 2-inch factory lift.

Interior Dimensions

The reconfigurable Multi-Flex center console adds storage and folds flat into a workspace. High Country's interior carries real wood decor and available microfiber suede; ZR2 adds forged carbon-fiber trim, the first time Chevrolet has used real carbon décor on this model.

Capacity and Capability

Properly equipped, the 5.7L V8 tows up to 13,700 lbs in a Double Cab, 2WD, with the Max Trailering Package, and the Duramax tows up to 12,000 lbs. Payload tops out at 2,340 lbs with the 2.7L TurboMax. Hands-free trailering through Super Cruise comes standard on High Country and ZR2 and is available on Silverado and Trail Boss. See the Towing page for every rating by engine and cab.

Wheels, Tires, and Brakes

Wheel and tire sizes vary by trim, and the brakes use vented rotors: 13.5 inches in front and 13.6 inches in the rear.

Trim	Wheels	Tires
Custom	20-inch Technical Gray machine-faced	Not lifted
Custom Trail Boss	18-inch Dark Android aluminum	34-inch MT, with 2-inch factory lift
Trail Boss	18-inch Dark Android aluminum	34-inch MT, with 2-inch factory lift
High Country	22-inch After Midnight machine-faced (standard)	Not lifted
ZR2	18-inch diamond-cut	35-inch MT, with 2-inch lift
ZR2 Bison (available, AEV)	18-inch beadlock-capable	35-inch MT, with AEV bumpers and skid plates

Fuel Economy and Range

Fuel tanks run 28 gallons on the available Regular Cab setup and 34 gallons in Double Cab and Crew Cab, and the ZR2 carries the 34-gallon tank. The 3.0L Duramax with the 34-gallon tank is rated for a highway driving range of over 900 miles, enough for long US-75 runs and jobsite circuits with fewer fuel stops.

Key Features by Trim

Every 2027 Silverado 1500 trim shares the same digital cockpit; premium screens and driver-assist hardware step up by trim.

Feature	Work Truck	Custom	Custom Trail Boss	Silverado	Trail Boss	High Country	ZR2
16.3-in touchscreen	S	S	S	S	S	S	S
12.2-in driver display	S	S	S	S	S	S	S
11.5-in passenger screen	not std	not std	not std	not std	not std	S	S
Panoramic sunroof	not std	not std	not std	O	O	S	O
Head-up display	not std	not std	not std	not std	not std	S	S
Super Cruise w/ trailering	not std	not std	not std	O	O	S	S

Legend: S = standard, O = available, "not std" = not standard on that trim.

Safety and Compliance

The enhanced driver-assistance suite is standard across the entire 2027 lineup, starting with the Work Truck.

Feature	Availability
Intersection Automatic Emergency Braking	Standard, new for 2027
Front Pedestrian and Bicyclist Braking	Standard, new for 2027
Side Bicyclist Alert	Standard, new for 2027
Reverse Automatic Braking	Standard, new for 2027
Safety Alert Seat	Standard
Adaptive Cruise Control	Standard
Forward Collision Alert	Standard
Rear Cross Traffic Braking	Standard
Blind Zone Steering Assist	Standard
HD Rear Vision Camera	Standard

Warranty Coverage

The terms below are the prior generation's, shown as a reference point for the 2027 truck.

Coverage	Term
Bumper-to-bumper	3 years / 36,000 miles (prior-generation term)
Powertrain	5 years / 60,000 miles (prior-generation term)
Roadside assistance	5 years / 60,000 miles (prior-generation term)
OnStar Basics	Standard for 8 years, including automatic crash response

Certified Service in Tulsa handles warranty work; see the Service page for intervals and ownership costs.

What These 2027 Silverado 1500 Numbers Mean in Practice

The published specs already answer most of what a Tulsa buyer needs to know before visiting the dealership.

Spec	What it means for a Tulsa driver
13,700 lbs of towing with the 5.7L V8	Boat and equipment trailers headed out of Sand Springs or Glenpool sit well within the range of the 5.7L V8
16.3-in screen standard on every trim, including Work Truck	No trim-shopping for basic tech; the base truck carries the same core interface as ZR2
Standard Z71 package on Silverado trim in 4WD	Buyers on gravel roads near Sand Springs or Glenpool get skid plates and hill descent without upgrading trims
Over 900 miles of diesel highway range	Long US-75 runs and jobsite circuits need fewer fuel stops
Super Cruise with trailering, available on Silverado and Trail Boss	Hands-free highway driving on the Creek Turnpike while towing is reachable outside the two flagship trims

Specifications FAQs

Comparing against the current truck's numbers? The 2026 Chevrolet Silverado 1500 has its own specs on Jim Norton T-Town Chevrolet's site.

Explore the Silverado 1500