← Back to Search

2021 Chevrolet Silverado 1500 Regular Diesel

The 2021 Chevrolet Silverado 1500 Regular Diesel is a turbocharged with a hydra-matic 10l80 10-speed automatic and rear-wheel drive.

The Silverado 1500 measures 229.5 inches long on a 139.5-inch wheelbase.

Spec Value
Vehicle
Body TypePickup
PowertrainDiesel
Price
Destination Charge$1,695
Engine
Engine Type3.0L DOHC I-6 Turbo-Diesel: cast aluminum block and head, DOHC 4 valves/cylinder, common-rail direct injection (36,250 psi / 2500 bar)
Valvetrain4.3L V-6: OHV, 2 valves/cylinder, VVT. 2.7L Turbo I-4: DOHC, 4 valves/cylinder, tripower VVT with variable valve lift. 5.3L V-8 (L82/L84): OHV, 2 valves/cylinder, VVT. 6.2L V-8: OHV, 2 valves/cylinder, VVT. 3.0L diesel I-6: DOHC, 4 valves/cylinder
Bore and Stroke84 x 90 (3.0L diesel I-6)
Injection Typehigh-pressure common-rail direct injection (3.0L diesel)
Drivetrain
Drive TypeRWD
Transmission
TransmissionHydra-Matic 10L80 10-speed automatic (5.3L L84 w/DFM 10-spd, 6.2L V-8, 3.0L diesel)
1st Gear4.03
2nd Gear2.36
3rd Gear1.53
4th Gear1.15
5th Gear0.85
6th Gear0.67
Reverse3.06
Final Drive3.42
Fuel Economy
Recommended FuelUltra-low sulfur diesel (3.0L diesel)
Suspension
Front SuspensionIndependent coil-over-shock with twin-tube shock absorbers; Rancho shocks with Z71 package
Rear SuspensionSolid axle with semi-elliptic, variable-rate, two-stage multileaf springs (includes composite second-stage springs on LT models); splayed twin-tube shock absorbers; Rancho shocks with Z71 package
Brakes
Front Brake CalipersFour-wheel disc with electro-hydraulic power assist and ABS
Front Brake Disc13.0 x 1.18 in / 330 x 30 mm vented rotor (Duralife)
Rear Brake Disc13.6 x 0.79 in / 345 x 20 mm vented rotor (Duralife)
Tires & Wheels
Wheels Front17 x 8 in. steel (std) / 17 x 8 in. aluminum / 18 x 8.5 in. aluminum / 20 x 9 in. aluminum / 22 x 9 in. aluminum (avail. on High Country)
Wheels Rear17 x 8 in. steel (std) / 17 x 8 in. aluminum / 18 x 8.5 in. aluminum / 20 x 9 in. aluminum / 22 x 9 in. aluminum (avail. on High Country)
Tires FrontP255/70R17 all-season / P265/70R17 all-season / LT265/70R17 all-terrain / P265/65R18 all-season or all-terrain / LT275/65R18 Goodyear Wrangler DuraTrac / P275/60R20 all-season or all-terrain / P275/50R22 all-season
Tires RearP255/70R17 all-season / P265/70R17 all-season / LT265/70R17 all-terrain / P265/65R18 all-season or all-terrain / LT275/65R18 Goodyear Wrangler DuraTrac / P275/60R20 all-season or all-terrain / P275/50R22 all-season
Dimensions & Weight
Length229.5 in
Width81.1 in
Height75.6 in
Wheelbase139.5 in
Interior
Headroom Front43.1 in
Headroom Rear39.9 in
Legroom Front44.5 in
Legroom Rear35.2 in
Shoulder Room Front66 in
Shoulder Room Rear64.9 in
Hip Room Front60.9 in
Hip Room Rear60.2 in

Safety & Recalls

NCAP safety ratings

Overall ★★★★★
Frontal crash ★★★★★
Side crash ★★★★★
Rollover ★★★★★ (19.8 % risk)
Tested variant: 2021 Chevrolet Silverado 1500 PU/CC 4WD
Other tested variants (5)
  • 2021 Chevrolet Silverado 1500 PU/EC 4WD: 5 ★ overall
  • 2021 Chevrolet Silverado 1500 PU/RC 4WD: 5 ★ overall
  • 2021 Chevrolet Silverado 1500 PU/CC 2WD: 4 ★ overall
  • 2021 Chevrolet Silverado 1500 PU/EC 2WD: 5 ★ overall
  • 2021 Chevrolet Silverado 1500 PU/RC 2WD: 5 ★ overall

Recalls

8 recalls on file with NHTSA for the 2021 Chevrolet SILVERADO 1500. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Feb 12, 2026 · POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.

Consequence: Rear wheel lock up increases the risk of a crash.

Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.

NHTSA campaign 26V083000

Apr 24, 2025 · ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.

Consequence: Engine failure increases the risk of a crash.

Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.

NHTSA campaign 25V274000

Oct 24, 2024 · POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.

Consequence: Rear wheel lock-up can increase the risk of a crash.

Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.

NHTSA campaign 24V797000

Dec 16, 2021 · TIRES:TEMPORARY/EMERGENCY SPARE TIRE

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function properly under certain conditions.

Consequence: An ABS system that does not function properly can increase the risk of a crash.

Remedy: Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner's manual insert clarifying which spare tire to use with the accessory road tires and with the 17" original tires. Owner notification letters were mailed February 7, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212346510.

NHTSA campaign 21V985000

Jul 1, 2021 · AIR BAGS:FRONTAL

General Motors, LLC. (GM) is recalling certain 2021 Chevrolet Silverado 1500 vehicles. The front driver's side air bag module may be missing one or more metal tabs that secure the plastic air bag cover to the housing.

Consequence: The missing tabs may prevent the air bag from deploying properly, increasing the risk of injury in a crash.

Remedy: Dealers will inspect the driver frontal air bag, and replace it if necessary, free of charge. Owner notification letters are expected to be mailed August 16, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212336560.

NHTSA campaign 21V495000

Dec 23, 2020 · SEAT BELTS

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

Consequence: If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.

NHTSA campaign 20V811000

Dec 17, 2020 · SEAT BELTS

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

Consequence: If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.

Remedy: GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.

NHTSA campaign 20V792000

Nov 5, 2020 · TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

Consequence: Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.

Remedy: GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.

NHTSA campaign 20V684000

847 owner complaints to NHTSA for the 2021 Chevrolet SILVERADO 1500

Owner Complaints

847 owner complaints filed with NHTSA for the 2021 Chevrolet SILVERADO 1500 (20 mention a crash, 12 a fire, 12 an injury). See all on nhtsa.gov

Most-cited areas
Engine389
Power Train242
Electrical System113
Unknown Or Other74
Engine And Engine Cooling59
Service Brakes44
A complaint can cite more than one area.
Most recent complaints
Oct 19, 2026 · Engine And Engine Cooling
“The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving 60 MPH, the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed…”
Oct 19, 2026 · Suspension
“last October 2025 while going a slow rate of speed my passenger front ball joint severed and this past 17 oct 2026 my driver side ball joint broke also going a slow rate of speed after turning onto a…”
Oct 16, 2026 · Unknown Or Other, Engine
“Coolant control valve Is available for inspection Safty issues include Loss of power steering and brakes while driving Sudden power limp mode Sudden engine over heating and engine seizure Loss of…”
Oct 15, 2026 · Engine
“Chevrolet Silverado 1500 6.2L Truck was driving and fully lost capability to accelerate. Truck alarmed driver to shift to neutral and restart engine. Attempt to restart engine was not successful…”
Oct 15, 2026 · Engine
“Chevy Silverado 1500 6.2L Truck lost acceleration while driving. Truck advised driver to shift to neutral and restart vehicle. When driver did, no resolve. Error code with diagnostic report was…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2021 CHEVROLET SILVERADO 1500. US-market vehicles only; data cached for up to 7 days.

← Back to Search