How Long To Cook Sirloin On Grill

ByLily

Sirloin on the grill requires a balance of high heat and careful timing to avoid overcooking a lean cut. If you want to know how long to cook sirloin on grill, the short answer is 8 to 12 minutes total over high heat for a one-inch thick steak. That range shifts based on thickness, doneness, and grill temperature.

This guide breaks down exact times, temps, and simple steps so your steak comes out juicy every time.

How Long To Cook Sirloin On Grill

The total cook time depends on three things: steak thickness, your target doneness, and how hot your grill runs. A one-inch sirloin is the most common cut, so use it as your baseline.

  • Rare (120-125°F): 4-5 minutes per side
  • Medium Rare (130-135°F): 5-6 minutes per side
  • Medium (140-145°F): 6-7 minutes per side
  • Medium Well (150-155°F): 7-8 minutes per side
  • Well Done (160°F+): 8-10 minutes per side

These times assume a grill preheated to 450-500°F and a steak at room temperature. Cold steak straight from the fridge needs a few extra minutes.

Why Sirloin Needs Special Timing

Sirloin is lean. It has less fat than ribeye or strip, so it dries out fast when overcooked. High heat gives you a good crust, but long exposure turns the inside tough. That’s why the window between perfect and overdone is narrow.

Watch your time closely and pull the steak a few degrees before your target. Carryover cooking adds 5-10°F while the meat rests.

Adjusting Time For Thickness

Thickness matters more than weight. A thick steak weighs more but cooks slower per side. Use this quick guide:

  • ½ inch thick: 2-3 minutes per side
  • ¾ inch thick: 3-4 minutes per side
  • 1 inch thick: 5-6 minutes per side
  • 1½ inch thick: 7-8 minutes per side
  • 2 inch thick: 9-10 minutes per side

For anything over 1½ inches, use a two-zone setup. Sear over high heat, then move the steak to a cooler side to finish. This prevents a burnt crust with a raw center.

Step-By-Step Grilling Method

Follow these steps for a consistent result every time.

  1. Take the steak out of the fridge 30 minutes before grilling. Pat it dry with paper towels.
  2. Season both sides with salt and pepper. Let it sit while the grill heats.
  3. Preheat the grill to high, around 450-500°F. Clean the grates and oil them lightly.
  4. Place the steak on the grill at a 45-degree angle. Do not move it for the first 2 minutes.
  5. Flip once after the first side is seared. Aim for one flip total, not constant turning.
  6. Check the internal temp with a meat thermometer starting at the 6-minute mark.
  7. Pull the steak 5°F below your target temp. Rest it on a board for 5-10 minutes.
  8. Slice against the grain and serve.

Resting is not optional. It lets the juices redistribute so they stay in the meat instead of running onto the plate.

Best Internal Temperatures To Target

Use a thermometer, not guesswork. Color alone is unreliable, especially under different lighting.

  • Rare: pull at 120°F
  • Medium Rare: pull at 125-130°F
  • Medium: pull at 135-140°F
  • Medium Well: pull at 145-150°F
  • Well Done: pull at 155-160°F

Insert the probe into the thickest part, away from bone or fat. Check two spots if the steak is uneven.

Tips For A Better Grilled Sirloin

Small changes make a big difference with a lean cut like sirloin.

  • Salt the steak 30-45 minutes ahead if you have time. It improves texture and flavor.
  • Let the steak sit at room temp before grilling. Cold meat cooks unevenly.
  • Use a two-zone fire for thick cuts. Sear first, finish indirect.
  • Flip only once. Too much turning slows the crust formation.
  • Don’t press the steak with a spatula. You lose juices for no reason.
  • Let the grill preheat fully. A cold grate means a grey steak, not a seared one.
  • Rest the meat loosely tented with foil, not wrapped tight. Tight wrapping steams the crust.

If your sirloin has a fat cap, score it lightly so it renders instead of curling. Trim any silver skin before grilling too.

Common Mistakes To Avoid

Most dry sirloins come from three easy-to-fix errors.

  • Walking away during the sear. Set a timer for the first side.
  • Skipping the thermometer. Timing alone can’t account for grill hot spots.
  • Cutting too early. Resting takes 5-10 minutes for a reason.

Also avoid marinades with too much sugar or acid for long periods. They can break down the surface and cause burning. A simple dry rub or a short 30-minute marinade works fine.

Frequently Asked Questions

Can I Grill Sirloin From Frozen?

Yes, but add about 50 percent more time. Grill over medium heat so the outside doesn’t burn before the inside thaws. Use a thermometer to confirm doneness.

Should I Close The Lid While Grilling Sirloin?

For a one-inch steak, leave the lid open for a better crust. For thicker cuts or a two-zone setup, close the lid during the indirect phase to cook evenly.

How Do I Know When Sirloin Is Done Without A Thermometer?

Use the touch test. Rare feels soft and squishy, medium has some give, and well done feels firm. It’s less accurate than a thermometer, so use it as a backup only.

What If My Sirloin Is Thin?

Thin steaks cook in 2-3 minutes per side. Use the hottest part of the grill and flip once. They overcook fast, so stay close to the grill.

Does Sirloin Need To Rest Before Grilling?

Yes. Let it sit at room temperature for 30 minutes. This helps the steak cook more evenly from edge to center.

With the right heat and a timer, grilled sirloin is one of the easiest steaks to nail. Keep your target temp in mind, flip once, and rest before slicing.

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