2021 Kia Stinger Lug Nut Torque & Bolt Specs

The 2021 Kia Stinger lug nut torque is 87 ft-lbs, tightened with a 21mm socket on M12x1.5 studs. Torque in a star pattern in two passes (snug, then final), and re-check after the first 50–100 miles of driving. Use a calibrated torque wrench — not an impact gun — for the final pass. The wheel bolt pattern is 5x114.3.

Lug nut torque: 87 ft-lbs · Socket size: 21mm · Thread: M12x1.5 · Bolt pattern: 5x114.3.

This page is the OEM-referenced fastener summary for the 2021 Kia Stinger. Use it before any maintenance or repair job where torque values matter — brake work, wheel changes, suspension service, engine teardowns, or oil changes. Specs are pulled from manufacturer service literature, cross-checked against community data, and updated as new chassis variants become available.

Hyundai/Kia lug-nut torque is 79-88 ft-lbs on nearly all passenger models, M12x1.5 thread, 21mm socket. The Tucson, Sportage, and Santa Fe all use the same fastener spec. Hyundai's oil drain plug threads are unusually fine-pitch and strip easily — always use a torque wrench, not feel.

Common fastener categories on the 2021 Kia Stinger

Wheel / lug nut torque and thread spec (covered above)
Brake caliper bracket bolts (typically 80-130 ft-lbs) and slide/guide pins (18-35 ft-lbs)
Engine oil drain plug torque — rarely above 30 ft-lbs; always use a new crush washer
Transmission pan, valve cover, and intake manifold bolts (low torque, often 89-106 in-lbs)
Suspension control arm, sway bar, tie rod end and ball joint torque
Spark plug torque (typically 10-15 ft-lbs on aluminum heads — do not exceed)
Differential cover bolts (RWD/4WD only) and transfer case fasteners

Repair guidance for this model year

For 2021 late-model work: Modern vehicles increasingly use aluminum body and suspension components. Aluminum fastener torque is typically 60-70% of equivalent steel torque, and aluminum threads strip easily. Use a calibrated torque wrench and apply anti-seize on any steel fastener threading into aluminum.

Tools you will need

Metric socket set (8mm-22mm), 6-point impact-rated
Calibrated torque wrench (10-150 ft-lbs covers most automotive jobs; add a 0-250 ft-lbs wrench for truck lug nuts)
Breaker bar (24" minimum) for initial loosening
Penetrating oil (PB Blaster or Kroil) for any fastener over 5 years old
Anti-seize on stainless or dissimilar-metal threads; thread-locker (Loctite blue) on critical reassembly

Frequently asked questions

What is the lug nut torque on a 2021 Kia Stinger?

The OEM-specified lug-nut torque for the 2021 Kia Stinger is 87 ft-lbs, using a 21mm socket on M12x1.5 thread studs. Use a calibrated torque wrench in a star pattern, in two passes (50% and 100%), and re-check after 50-100 miles of driving.

What socket size do I need for the 2021 Kia Stinger lug nuts?

The 2021 Kia Stinger uses a 21mm socket. A 6-point impact-rated socket is recommended over a 12-point chrome socket — 12-points round off lug nuts under impact-driver use.

Are the 2021 Kia Stinger fasteners metric or SAE?

Metric is the standard for this vehicle. Most fasteners on this vehicle are metric (M6, M8, M10, M12, M14). Bring a full metric set; SAE substitutes can round the head. Bolt-head markings are the fastest way to confirm grade and material at the bench.

Other Kia Stinger years

Same model, different model year — fastener spec may change. Always confirm against the year for your VIN.

→ 2021 Kia Stinger suspension & steering torque specs (control arm, ball joint, tie rod)

All 22 2021 Kia Stinger fastener specs

Per-bolt torque, wrench size, and thread spec for the 2021 Kia Stinger, sourced from OEM service literature and verified against community shop data. Values pair imperial (ft-lb) and metric (Nm) where the manufacturer publishes both.

Wheels — 2021 Kia Stinger

Wheel and lug nut spec for the 2021 Kia Stinger. At the all four wheels, the lug nut torques to 79-94 ft-lbs (87 ft-lbs target) (21mm drive, M12x1.5 thread). For the wheel hub, plan for a 21mm tool on a M12x1.5 stud; final torque is 87 ft-lbs (wheel lug nut).

Brakes — 2021 Kia Stinger

Brake fasteners on the 2021 Kia Stinger — caliper bracket, slide pins, and banjo bolt torque follow. For the caliper slide, plan for a 14mm tool on a M10x1.25 stud; final torque is 26 ft-lbs (front caliper slide pin). Rear caliper slide pin tightens to 22 ft-lbs, takes a 14mm driver, runs on M10x1.25 threads, located at the caliper slide. The front caliper bracket bolt uses a 19mm drive on a M14x1.5 thread, torqued to 87 ft-lbs at the caliper bracket. At the caliper bracket, the rear caliper bracket bolt torques to 65 ft-lbs (17mm drive, M12x1.5 thread).

Engine — 2021 Kia Stinger

Engine bolt-by-bolt torque for the 2021 Kia Stinger, including the long block, valve covers, and intake. Intake manifold bolt tightens to 20 ft-lbs, takes a 12mm driver, runs on M8x1.25 threads, located at the intake manifold. The cylinder head bolt uses a 12mm drive on a M10x1.25 thread, torqued to 23 ft-lbs step2 after 18 ft-lbs step1 at the cylinder head. At the valve cover, the valve cover bolt torques to 7 ft-lbs (10mm drive, M6x1.0 thread). For the exhaust manifold, plan for a 14mm tool on a M10x1.25 stud; final torque is 33 ft-lbs (exhaust manifold stud). Oil drain plug tightens to 33 ft-lbs (45 Nm), located at the oil pan. The oil pan bolt uses a 17mm drive on a M14x1.5 thread, torqued to 29 ft-lbs at the oil pan.

Suspension — 2021 Kia Stinger

Suspension and chassis fastener torque for the 2021 Kia Stinger — strut, control arm, and sway bar values. The tie rod end nut uses a 17mm drive on a M12x1.25 thread, torqued to 37 ft-lbs at the knuckle. At the control arm, the front control arm bolt torques to 65 ft-lbs (19mm drive, M14x1.5 thread). For the sway bar link, plan for a 14mm tool on a M10x1.25 stud; final torque is 37 ft-lbs (sway bar link nut). Strut top mount nut tightens to 43 ft-lbs, takes a 17mm driver, runs on M12x1.25 threads, located at the strut top mount. The rear control arm bolt uses a 19mm drive on a M14x1.5 thread, torqued to 65 ft-lbs at the control arm. At the ball joint, the ball joint nut torques to 65 ft-lbs (19mm drive, M14x1.5 thread).

Body — 2021 Kia Stinger

Body fasteners on the 2021 Kia Stinger. At the subframe, the subframe front bolt torques to 95 ft-lbs (21mm drive, M16x1.5 thread). For the subframe, plan for a 21mm tool on a M16x1.5 stud; final torque is 95 ft-lbs (subframe rear bolt).

Transmission — 2021 Kia Stinger

Transmission fasteners on the 2021 Kia Stinger. For the transmission mount, plan for a 17mm tool on a M12x1.5 stud; final torque is 58 ft-lbs (transmission mount bolt). Bell housing bolt tightens to 58 ft-lbs, takes a 17mm driver, runs on M12x1.5 threads, located at the bell housing.

New to torquing wheels? Read our How lug nut torque works — the complete guide for star-pattern sequence, re-torque intervals, and how to read a lug spec — then use the 2021 Kia Stinger numbers above.

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