Tata Altroz iCNG Review
ThecorneroftheIndiancarmarketpoweredbyCNGhasalwaysbeenchockfullofcompromises,somegreaterthanothersbutstillcompromises...
Customershadtochoosebetweenpowerandmileage,bootspaceandmoreCNGandofcourse,theever-presentfearofhavingacompressedmetalcylinderfilledwithmethanesittingjustbehindthepassengerseats.
ButthosewerecompromisestheIndianCNGcarfollowinghadgottenusedtoaswell.ThatwasuntilTataMotorsdecidedtoupendthatsorrycartofcompromiseswithitsnewtwin-cylindertechatAutoExpo2023.
SoisthenewTataAltroziCNG,thesignofaneweraofCNGinIndiaorisitjustmorecompressedmethaneescapingintotheatmospherethatisn'tbovinelyexhausted?Wegotbehindthewheeloftheall-newTataAltroziCNGinGoatofindoutjusthowmuchthepremiumhatchbackhadchangedwithcompressedmethanerunningthroughitsveins...
TheTataAltrozisoneofthebetter-lookinghatchbackscurrentlyrunningonourroadstodayandthevisualchangesfortheCNGversionarealmostnon-existentexceptfortheiCNGbadgeonthetailgate.
Thechangesontheinsidearealsonearlynonexistentaswell,exceptforthenewCNGbuttononthecentralconsolethatletsyouknowwhichfuelyou'reusing.Thevoice-activatedsingle-paneroofisafirstforanyCNG-poweredhatchinIndia.
Otherwise,thenewAltroziCNGcomespackedwithallthebellsandwhistlesthepetrolversionofthehatchcomeswith.Top-specversionsoftheAltroziCNGcomewithfeatureslikeautomaticheadlightsandrain-sensingwipers,a7-inchtouchscreeninfotainmentsystemwithTata'siRAsmartcarsetupandsupportforAndroidAutoandAppleCarPlay.
Otherfeaturesonthetop-of-the-lineAltroziCNGincludeawirelessphonecharger,airpurifier,leatheretteseatupholsteryanddual-tonealloywheels.
Thebiggestchangeintermsofdesignandpracticalityisseenwhenyouopenthetailgateandgazeintothebowelsoftheboot.Tata'stwin30kgCNGcylinderstakeupspaceundertheflooroftheboot.
Yes,theAltroziCNG's210-litrebootissmallerthanitspetrolcounterpart's345-litreunit.However,beforeyouallstartpicketingmyofficetabletopandcomplainingaboutleadingyouonaboutthecompromisesintheintroductiontothispiece,210litresisalotmorethanhavingnospaceatallwitharegular60kgcompressedCNGtank.
SowhiletheCNGtanksmayhavegobbleduptheunderfloorstoragearea,diminishingtheavailablevolumeofspaceby135litres,theAltroziCNG's210-litrebootismorethanenoughforthegroceryandmallshoppingruns.
TheTataAltroziCNGisbasedonthefirm's1.2-litrenaturallyaspirated3-cylinderrevotronengine.Whendrinkingdownpetrol,theengineproduces87bhpand115Nmofpeaktorque.
Wheninhalinglungfulsofcompressedmethane,theengineoutputdipsfrom87bhpto72.4bhp,whiletorqueisdownby12Nmat103Nm.Powerisstillsenttothefrontwheelsviaa5-speedmanualgearbox.
Toallowtheenginetofunctionwithouthavingtocatchitsbreatheverytimeoneofthefueltanksdropslow.ThenewsmartECUautomaticallyshiftsbetweenpetrolandCNGonthefly.
ThenewECUswitchesbetweenfuelsonthegowhileensuringthebestefficiency.ThenewECUalsoallowstheAltroztostartoffthedailydriveinCNGmode.
FillingupthetanksisalsoaquickjobthankstothespecialnozzlefittedtotheAltroz.Alsoseenisasmallmicroswitchthatshutsoffthefueltotheenginewhenitdetectsthefuelfillercapopening.TheAltrozwillventtheCNGintotheatmosphereifathermalissueisdetected.
Othersafetyfeaturesincludetheusualarrayofairbags,ABSwithEBD,BrakeSwayControlandSornerStabilityControlamongmanymoresystemsthatkeepthoseinsidethecabinsafeandsecure.
TheshortanswerandtheonemostAltroziCNGownerswillsayisno.Thelossinpowerandtorqueisn'treallyfeltuntilyoustartpushingthepremiumhatchbacktoitslimits.
DespitethelargedifferenceonpaperbetweenthepetrolandCNGmodes,thehatchbackoffersmorethanadequateperformanceinthecitywhenrunningonnaturalgas.
However,ifyoufindyourselflowintherevrangewhenrunningonCNGinagearhigherthansecond,werecommendshiftingdownifyouneedtogetbackintothepowerbandurgently.
SwitchingbetweenpetrolandCNGmodeshappensautomaticallywhenfuellevelsarelow.However,driverscanswitchbetweenthemodesbyjusttappingtheCNGbuttononthedash.ThenewAltroziCNGcanstartjourneysinCNGmode,whichisquiteabigpluspointoveritsrivalsfromTataandHyundai.
ThesuspensionsetupoftheiCNGhasbeenstiffenedcomparedtothepetrolversionofAltroz,especiallyatthereartohandletheweightofthetwocylinders.WhilethishelpsensuretheAltroziCNGdoesnotdropdownduetotheextraweight,goingoverbumpsandrutscanbeproblematicforyourback.
Thesteeringisthesameasthepetrolmodelandprovidesmorethanadequatefeedback.Athigherspeeds,thewheelweighsupquitenicelywhichisratherreassuring.
ThebrakingperformancefromthediscbrakesatthefrontandthereardrumsismorethanadequatefortheAltroziCNG.However,usingthebrakepedalitselfcanbeabitcumbersomethankstoitscloseproximitytotheclutch.
NVHlevelsinsidethecabinarequitemanageableforthemostpart.Theonlyannoyancecomeswhenthethree-cylinderrunshigherintotherevrange.
TheTataAltroziCNGbringsaboutthesavingsofswitchingtoCNGtotheAltrozpremiumhatchback.Itsinnovativetwin-cylindersetupensuresthatownerscanstillusethebootwhiletheonboardsafetysystemsensurethatyoucanrunoncompressedmethanewithoutworryingyourheadoff.
AddinthefactthattheAltroziCNG'sin-cityperformanceisquitesimilartothepetrolversion,andtheonlywayyou'llfeeltheneedforpetrol-poweredspeedisonthehighway.
Overall,theTataAltroziCNGistheleastcompromisedCNG-poweredcarwe'vedriveninawhileandthatiswhatmakesitsuchanattractiveoption,especiallywithastartingpriceofRs7.55lakh(ex-showroom).
Dennis Abraham James MostReadArticles