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Larry Spacc GMC · Dunkirk, NY

2020 GMC Sierra 2500 HD Denali

57,574 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2020
MakeGMC
ModelSierra 2500 HD
TrimDenali
Stock number6L386A
Mileage57,574 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorQuicksilver Metallic
InteriorJet Black, Forge Perforated Leather-Appointed Seat Trim

Vehicle description

This 2020 GMC Sierra 2500HD Denali combines serious capability with premium refinement. With under 58,000 miles, this diesel-powered crew cab delivers the dependable Duramax 6.6L V8 turbodiesel engine paired with a smooth 10-speed automatic transmission and confident 4WD performance. The striking silver exterior with jet black leather interior and Denali Ultimate Package appointments create an impressive, well-appointed work and daily driver. - Duramax 6.6L V8 Turbodiesel with 220-amp alternator and engine block heater - Heated and ventilated leather front bucket seats with 10-way power adjustments - Premium GMC Infotainment System with navigation and SiriusXM satellite radio - Apple CarPlay and Android Auto integration with 4G LTE Wi-Fi hotspot capability - Advanced safety technology including automatic emergency braking, lane departure warning, and HD surround vision with backup camera - 20-inch polished aluminum wheels with off-road suspension capability - Integrated trailer brake controller with hitch guidance and trailering system app - Power sunroof, heated door mirrors, and LED cargo lighting - Ultrasonic front and rear park assist with rear cross traffic alert - Remote vehicle starter and keyless entry with power door locks This Sierra 2500HD is equipped to handle whatever comes your way while delivering the comfort and technology you deserve. The Denali trim elevates the standard truck experience with premium materials and refined amenities throughout. Schedule your test drive today and discover why this diesel-powered heavyweight stands apart.

Features & options (11)

  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats
  • DriveType: Four Wheel Drive
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 36 gal
  • Fuel Type: Diesel Fuel
  • Horse Power: 445
  • Rear Wheel: Single

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Dunkirk, New York
Asking price$54,175Dealer asking price · 57,574 mi
Market value$46,490Market value · based on 5 comparable cars
vs. market High price+16.5%High price · based on 5 comparable cars

Where this price sits

Among the highest-priced · 0% of 5 similar listings ask more than this car.

$43,267lowest$54,175highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+16.5%
−25%Market value+25%
High price$7,685 above the market value of $46,490

Price range

$54,175
$43,267$54,175
6th lowest price of 6 similar listings within 250 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2020 GMC Sierra 2500 Denali listings within 250 mi.
  • Priced $7,685 above the market value of 5 comparable cars — compare options, condition and history.
  • 6th lowest price of 6 similar listings within 250 miles.
  • Has about 42,000 fewer miles than similar listings.
  • About 8,225 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 6L386A — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($54,175).0 price changes at this dealership: $54,175 → $54,175.

$53.9k$54.0k$54.1k$54.2k$54.3k$54.4kNov 6Nov 7Nov 8Nov 9Nov 10Nov 11

AutosXchange Intel Hub: Price changes for this model in New York · This model in the Intel Hub · Market movers in New York

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2020 Sierra 2500 Denali · used · any miles · within 250 miles of Dunkirk, New York. All 5 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Dunkirk

All years and trims. Nearest first.