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Primacy 4ST
Car TyresMichelin

Primacy 4ST

Recommended: Michelin Primacy 4ST. Ultra-silent luxury acoustic comfort with class-leading wet braking safety. Fully compatible with Maruti Suzuki Celerio (175/60 R15).

FITMENT SUMMARYMaruti Suzuki Celerio, Hyundai Grand i10 Nios, Hyundai Aura
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TECH SPECS & MANUFACTURING TOLERANCES

Detailed Parameters

Precision factory engineering parameters, carcass ply architecture, and certified load-speed performance ratings.

Geometry & Dimension Telemetry
FORM FACTOR: 175/60 R15 • 81H
Rolling Diameter
591.0 mm
Circumf: 1857 mm
Revolutions / KM
~539
Odometer Calibration
MAX LOAD SPECIFICATION

Load Index Rating

81(462 kg / tyre)

Total 4-wheel gross load tolerance of 1,848 kg. Provides structural headroom for passengers and cargo.

CERTIFIED LOAD RESERVE462 KG SPEC
HIGH-SPEED CERTIFICATION

Speed Rating Symbol

H(210 km/h)

High-Speed Performance Rated. Certified for sustained high-speed expressway travel without centrifugal belt delamination or carcass heat fatigue.

CERTIFIED VELOCITY210 km/h
CARCASS ARCHITECTURE

Radial (Tubeless Build)

Tubeless Radial

Acoustic MaxTouch Casing with dual high-tensile steel belts and cushioned undertread

PLY: 4-PLY TREADSTEEL BELTED RADIAL
OEM PRESSURE SPECIFICATION

Factory Cold Inflation Pressure

32 PSI / 30 PSI(Front / Rear)

Calibrated OEM cold tyre pressure for Maruti Suzuki Celerio. For full passenger/luggage payload, increase rear tyre to 33 PSI.

NITROGEN COMPATIBLE99.2% N₂ OPTIMAL
RUBBER FORMULATION

Tread Compound & Depth

7.6 mm(New Factory Tread)

Michelin FlexMax 2.0 with EverGrip self-regenerating water sipes. Built with integrated Tread Wear Indicators (TWI) calibrated at the 1.6mm legal limit.

UTQG WEAR INDEX: 380 A ATROPICALIZED
DEALER PROTECTION

Warranty & Genuine Origin

5 Years Manufacturer Warranty

100% Genuine authorized Amman Tyres stock. Certified with BIS / ISI Indian safety marks, manufactured at Michelin World-Class Facility, Chennai (Tamil Nadu) / Thailand.

ORIGIN: India / ThailandAUTHORIZED HUB
INNOVATIVE TECH

Tyre Engineering Features

✔

Silent Rib Technology eliminates high-frequency noise

Whisper-quiet highway ride quality

✔

EverGrip Technology maintains wet grip even when worn

Outstanding wet monsoon emergency braking

✔

High-density silica polymer blend for supple ride

Plush bump absorption over potholes

BENCHMARK STANDARDS

3 Reasons to Choose

High-speed highway travel and everyday city use for Maruti Suzuki Celerio, Hyundai Grand i10 Nios, Hyundai Aura.

High-speed highway travel and everyday city use for Maruti Suzuki Celerio, Hyundai Grand i10 Nios, Hyundai Aura.

Recommended: Michelin Primacy 4ST. Ultra-silent luxury acoustic comfort with class-leading wet braking safety. Fully compatible with Maruti Suzuki Celerio (175/60 R15).

PERFORMANCE CHARACTERISTICS & PROVING GROUND LABS

Tyre Test Metrics

Empirical proving-ground telemetry covering ISO wet braking distance, acoustic cabin decibels, high-mileage compound longevity, and lateral road adhesion.

Laboratory & Proving Ground Test Suite • Michelin Primacy 4ST
WET BRAKING (80-0 KM/H)GRADE A+
26.8METERS

Stops 5.7m shorter than standard commuter baseline under monsoon downpour conditions.

DECELERATION SAFETY INDEX88% SCORE
ROLLING RESISTANCE (RRC)ARAI GRADE A
+5%FUEL SAVINGS

Rolling resistance of 7.2 kg/t. Michelin FlexMax 2.0 with EverGrip self-regenerating water sipes minimizes heat drag during highway cruising.

FUEL CONSERVATION BOOST+5% REAL-WORLD
PROJECTED TREAD LIFEHIGH MILEAGE
75,000KM LIFE

The global benchmark for silent luxury ride comfort and shortest wet stopping distance.

UTQG TREADWEAR INDEX380 A A
ACOUSTIC CABIN NOISEWHISPER QUIET
66.4dB PASS-BY

2nd Gen Silent Rib technology eliminates air pumping noise inside the tread grooves.

CABIN SILENCE RATINGEXCELLENT (SUB-68dB)
DRY SLALOM & CORNERINGLATERAL STABLE
0.9PEAK G-FORCE

StabiliGrip self-locking sipes keep blocks rigid under hard steering loads.

LATERAL ROAD ADHESION90% G-LIMIT
HYDROPLANING CLEARANCE3D WATER SIPES
93KM/H THRESHOLD

Evacuates up to 34 liters of water per second through EverGrip sipes expand as tread wears to maintain 100% water clearance throughout life.

WATER CLEARANCE THRESHOLD93 KM/H SAFE
OFFICIAL FITMENT SPECIFICATIONS

Supported Dimensions

Verified OEM vehicle fitments, factory inflation pressures, and axle load ratings calibrated for daily driving safety.

Compatible Vehicle & TrimsRequired Tyre SizeLoad / Speed IndexFactory Cold Pressure (PSI)OEM Verification
Maruti Suzuki CelerioTrims: ZXi, ZXi+Model Years: 2021 - 2024175/60 R1581H(462 kg / 210 km/h)32 PSI (Front) / 30 PSI (Rear)All Axles: Front / Rear (32 PSI Front / 30 PSI Rear)OEM VERIFIED
Hyundai Grand i10 NiosTrims: Sportz, Sportz Dual Tone, AstaModel Years: 2019 - 2024175/60 R1581H(462 kg / 210 km/h)32 PSI (Front) / 30 PSI (Rear)All Axles: Front / Rear (32 PSI Front / 30 PSI Rear)OEM VERIFIED
Hyundai AuraTrims: S, S AMT, SX, SX CNGModel Years: 2020 - 2024175/60 R1581H(462 kg / 210 km/h)32 PSI (Front) / 30 PSI (Rear)All Axles: Front / Rear (32 PSI Front / 30 PSI Rear)OEM VERIFIED
FAQ SHEETS

Frequently Asked Questions

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