GMC Sierra 1500 vs Chevrolet Silverado SS 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.

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
MSRP
$54,700
Invoice
$51,473
Average Price Paid
$54,700
1,093 listings nationwide

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2006 Chevrolet Silverado SS
Extended Cab RWD
No Data Available
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2021 GMC Sierra 1500
AT4 Crew Cab 4WD
No Data Available
2006 Chevrolet Silverado SS
Extended Cab RWD
No Data Available

Used Car Pricing Used listing price comparison and analysis.

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
CarGurus Instant Market Value
$60,535
383 listings nationwide
15 GREAT deals
87 GOOD deals

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2006 Chevrolet Silverado SS
Extended Cab RWD
CarGurus Instant Market Value
$33,805
5 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
Stephen Edelstein Test Drive Review:

GMC is the “professional grade” brand at General Motors, but that’s just marketing mumbo jumbo. The 2021 GMC Sierra 1500 is the same thing as a Chevrolet Silverado 1500, but with diffe...

2006 Chevrolet Silverado SS
Extended Cab RWD

The Chevrolet Silverado 1500 SS switched to rear wheel drive and got new brakes for its final year of production. The second fastest domestic pickup truck comes in one trim that has 4...

No Data Available
  • Look and Feel 6
  • Performance 9
  • Form & Function 6
  • Technology 7
  • Safety 4
  • Cost-Effectiveness 2
No Data Available

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

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
shawn writes:
Bought one
Power Ranked 2021 Chevrolet Silverado 3500HD High Country Crew Cab 4WD better.
"Like"
Cargo Capacity Ranked 2021 Chevrolet Silverado 3500HD High Country Crew Cab 4WD worse.
"Own"
2006 Chevrolet Silverado SS
Extended Cab RWD
20
heha2100 writes:
it feels like drivng a rocket ship
95
Dana 2006 Chevrolet Silverado SS Extended Cab RWDReview:

Awesome — Its called the Intimidator because its a Dale Earnhardt edition silverado 1500 ss.... it has 495 hp,...

25
Mark 2006 Chevrolet Silverado SS Extended Cab RWDReview:

Silverado Ss — It's a rear-wheel drive Chevy Silverado SS with a 6.0 liter V8 power plant, full leather interior, d...

Specs

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
2006 Chevrolet Silverado SS
Extended Cab RWD
Powertrain 4-Speed Automatic
Drivetrain
4X4
4X4
4X4
RWD
Fuel Economy, City
22 MPG
14 MPG
--
13 MPG
Fuel Economy, Highway
26 MPG
19 MPG
--
18 MPG
Fuel Tank Volume 24 gal 26 gal
Engine
Fuel Type
Diesel
Gasoline
Gasoline
Gasoline
Power
277 hp @ 3,750 RPM
--
355 hp @ 5,600 RPM
345 hp @ 5,200 RPM
Torque
460 lb-ft @ 1,500 RPM
--
383 lb-ft @ 4,100 RPM
380 lb-ft @ 4,000 RPM
Cylinders
6 cylinders
8 cylinders
8 cylinders
8 cylinders
Compression Ratio
15:1
11.5:1
11:1
9.7:1
Displacement
3,000 cc
6,200 cc
5,300 cc
6,000 cc
Bore x Stroke
3.3 in x 3.54 in
4.06 in x 3.62 in
3.78 in x 3.62 in
4 in x 3.62 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
Overall 4 stars --
Front Crash Overall 4 stars --
Front Crash Driver 4 stars --
Front Crash Passenger 4 stars --
Side Crash Overall 5 stars --
Side Barrier Driver 5 stars --
Side Barrier Passenger 5 stars --
Side Pole Driver 5 stars --
Rollover 5 stars --
Comfort and Convenience
Sunroof/Moonroof -- Optional
Leather Seats -- Optional
Air Conditioning Standard Standard
CD Player -- Standard
Cassette Player -- Optional
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Optional
Passenger Power Seats Standard Optional
Interior
Maximum Seating 5 seats 6 seats
Front Legroom 44.5 in 41.3 in
Back Legroom 43.4 in 33.7 in
Payload and Towing
Cargo Volume -- --
Maximum Payload 2,080 lbs 1,253 lbs
Standard Towing Capacity 9,200 lbs 7,800 lbs
Maximum Towing Capacity 9,200 lbs --
Exterior
Length 231.7 in 227.7 in
Width 81.2 in 78.5 in
Height 78.4 in 73.9 in
Wheelbase 147.5 in 143.5 in
Bed Length 69.9 in 78.7 in

Available Options

2021 GMC Sierra 1500
AT4 Crew Cab 4WD

Exterior Colors

  • Cardinal Red
  • Cayenne Red Tintcoat
  • Dark Sky Metallic
  • Ebony Twilight Metallic
  • Onyx Black
  • Satin Steel Metallic
  • Summit White

Option Packages

  • Engine, 6.2L Ecotec3 V8
  • Engine, Duramax 3.0L Turbo-Diesel I6
  • AT4 CARBONPRO Edition
  • AT4 Preferred Package
  • AT4 Premium Package
  • AT4 Value Package
  • Driver Alert Package I
  • Driver Alert Package II
  • LPO, AT4 High Clearance Step
  • LPO, Auxiliary Trailer Camera, Wired, One Camera And Hardware
  • LPO, Bedside Storage, Right Hand And Left Hand Side
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Cat-Back Performance Exhaust
  • LPO, Front Brake Kit-Performance
  • LPO, Performance Air Intake System
  • LPO, Performance Upgrade Package
  • LPO, Sport Step, Black
  • LPO, Tri-Fold Hard Tonneau Cover
  • LPO, Tri-Fold Soft Tonneau Cover
  • MULTIPRO Audio System By Kicker
  • Off-Road Performance Package
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" X 9" (50.8 CM X 22.9 CM) 6-Spoke Carbon Grey Painted Aluminum
  • Wheels, 20" X 9" (50.8 CM X 22.9 CM) Machined Aluminum With Carbon Grey Metallic Accents
2006 Chevrolet Silverado SS
Extended Cab RWD

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