Chevrolet Silverado 3500 vs GMC Sierra 3500HD Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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New Car Pricing New listing price comparison and analysis.

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
No Data Available
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
MSRP
$58,900
Invoice
$55,013
Average Price Paid
$55,026
74 listings nationwide

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2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
No Data Available
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
No Data Available

Used Car Pricing Used listing price comparison and analysis.

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
CarGurus Instant Market Value
$17,871
7 listings nationwide

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2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
CarGurus Instant Market Value
$74,676

Expert Reviews Reviews from CarGurus experts.

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD

In its final year before fading into history as the Silverado 3500 Classic, the domestic pickup got a stronger engine, available 6 speed automatic transmission, and a re-shuffled set o...

2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
George Kennedy Preview:

The Sierra 3500 has been redesigned for 2020, following the 2019 redesign of the light-duty, half-ton GMC Sierra 1500. This includes a massive new grille flanked by large high-tech hea...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
10
writes:
Awesome truck horse power for days
5
writes:
drives smoother
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
No User Reviews

Specs

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Powertrain
Drivetrain
4WD
4WD
4WD
4WD
4WD
4WD
4X4
4X4
Fuel Economy, City -- --
Fuel Economy, Highway -- --
Fuel Tank Volume 34 gal 36 gal
Engine
Fuel Type
Gasoline
Gasoline
Diesel
Diesel
Gasoline
Gasoline
Biodiesel
Gasoline
Power
300 hp @ 4,400 RPM
--
--
--
--
300 hp @ 4,400 RPM
--
401 hp @ 5,200 RPM
Torque
360 lb-ft @ 4,000 RPM
--
--
--
--
360 lb-ft @ 4,000 RPM
--
464 lb-ft @ 4,000 RPM
Cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
Compression Ratio
9.4:1
--
--
--
--
9.4:1
16:1
10.8:1
Displacement
6,000 cc
8,100 cc
6,600 cc
6,600 cc
8,100 cc
6,000 cc
6,600 cc
6,600 cc
Bore x Stroke
4 in x 3.62 in
--
4.06 in x 3.9 in
4.06 in x 3.9 in
--
4 in x 3.62 in
4.06 in x 3.9 in
4.06 in x 3.86 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags -- Standard
Curtain Airbags -- Standard
NHTSA Crash Test Results
Front Driver 4 stars --
Front Passenger 3 stars --
Rollover (pre-2011) 4 stars --
Comfort and Convenience
Leather Seats Optional --
Air Conditioning Standard Standard
CD Player Standard --
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Optional Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 6 seats 5 seats
Front Legroom 41.3 in 44.5 in
Back Legroom 39.1 in 43.4 in
Payload and Towing
Cargo Volume -- --
Standard Payload 3,578 lbs --
Maximum Payload 3,578 lbs 4,365 lbs
Standard Towing Capacity 12,000 lbs 14,500 lbs
Maximum Towing Capacity 15,000 lbs 21,300 lbs
Exterior
Length 258.5 in 250 in
Width 79.7 in 81.9 in
Height 77.3 in 80.9 in
Wheelbase 167 in 158.9 in
Bed Length 97.6 in 82.3 in

Available Options

2006 Chevrolet Silverado 3500
1LT Crew Cab LB 4WD
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD

Exterior Colors

  • Brownstone Metallic
  • Carbon Black Metallic
  • Dark Sky Metallic
  • Onyx Black
  • Pacific Blue Metallic
  • Red Quartz Tintcoat
  • Summit White

Option Packages

  • Tri-Fold Soft Tonneau Cover LPO
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Gooseneck / 5TH Wheel Package
  • LPO, 20" (50.8 CM) High Gloss Black Painted Wheels
  • LPO, Auxiliary Trailer Camera, Wired
  • LPO, Black Tubular Assist Steps, 6" Rectangular
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Off-Road Assist Steps, 3" Round Tubular, Black
  • LPO, Rear Seat Infotainment System
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" (50.8 CM) 6-Spoke Bright Machined Aluminum

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