For later Fiats then
ePER does tell you all about the car's specification / configuration.
For my 2015 500X we get:
5F - 500X (2015-....)
3347******** - 1.4-MAIR/2-140CV.CROSPLUS.FWD.CM.GD.
Engine: 19****** Vehicle: 03****** Manuf. date: 12/6/2015
Vin : ZFA3340000********
HORSE POWER (MARKET) 1368 (CC1.4)
POWER 1.4 M/AIR2 / 2.0 MJET : 140CV (KW103)
STEERING RIGHT (GDX)
FUEL PETROL (CMBBZ)
TRIM LEVEL EMEA=CROSS PLUS
NAFTA=TREKKING PLUS (LL5)
DRIVE TYPE 2 WHEEL DRIVE (TT4X2)
ECOLOGY EURO 6 (ECOCF6)
GEARBOX DESIGN MECH. GEARBOX 35 KGM + DDCT (PCC635)
MARKET VERSION UNITED KINGDOM/IRELAND (AM87)
MODEL YEAR 2016 MODEL YEAR (MY16)
TURBO EXHAUST FAN TURBO (A/TTRB)
12V POWER SOCKET Yes (823)
2 EXTERNAL REARVIEW MIRR. W/EL. CONTROL AND DEMIST. Yes (041)
6 SPEAKERS Yes (RCG)
ACOUSTIC COMPONENTS 1 Yes (7DF)
ADJUSTABLE FRONT SEAT BELTS Yes (198)
AIR BAG Yes (500)
ALLOY WHEELS EXTRA SERIES 12 Yes (4AY)
BUMPER EXTRA SERIES Yes (409)
CARGO BOX Yes (256)
CARPETS Yes (396)
CHROMED FRAME IN DOOR WINDOW LININGS Yes (5A5)
CLIMATE CONTROL 2 Yes (140)
COMPASS GAUGE Yes (JFA)
COOLED BOX Yes (6NT)
CRUISE CONTROL Yes (416)
DYNAMIC CONTROL SELECTOR Yes (5DD)
ELECTRIC POWER STEERING Yes (112)
ELECTRONIC ROLL MITIGATION Yes (BNS)
ENGLISH LANGUAGE HANDBOOK Yes (852)
FOG LIGHT Yes (097)
FOOT SPACE MANAGEMENT Yes (7ZG)
FRONT SEAT ARMREST Yes (132)
FRONT SIDE BAG Yes (505)
FULL BODY COVER PROTECTION Yes (7BM)
GAS DISCHARGE HEADLIGHTS Yes (230)
HEAD BAGS Yes (614)
HEIGHT ADJUSTABLE DRIVER SEAT Yes (450)
HILL HOLDER (AUTOMATIC PARKING BRAKE) Yes (056)
INSTRUMENT PANEL WITH MULTIFUNCTION DISPLAY Yes (710)
KEYLESS ENTRY - REMOTE, PROXIMITY Yes (GXD)
MEDIA HUB (USB, AUX) Yes (RS6)
METALLIC PAINT Yes (210)
MPH SPEEDOMETER Yes (046)
OVERHEAD AMBIENT SURROUND LIGHTING Yes (LCJ)
PARKING BRAKE ELECTRICAL DRIVE Yes (026)
PARKING SENSOR Yes (508)
PARTIAL PRE-SHAPED Yes (5YY)
PASSENGER AIRBAG DISABLE Yes (4DK)
PASSENGER SIDE AIRBAG Yes (502)
PLATE OF ASSISTANCE Yes (6HQ)
PTC HEATER Yes (52Y)
REAR ELECTRIC WINDOWS Yes (023)
REMOVABLE TRUNK COVER Yes (209)
SAFE LOCK (SUPERLOCKING) Yes (064)
SEATBACK POCKET Yes (339)
SPARE WHEEL Yes (803)
SPECIAL DOOR PANELS Yes (784)
SPECIFIC DASHBOARD BAND Yes (6T1)
SPECIFIC DOOR PANELS 2 Yes (7SJ)
SPECIFIC EXHAUST TUBING Yes (947)
SPECIFIC LONGITUDINAL BEAM FOR ROOF TOP CARGO CARRIER Yes (375)
SPLIT REAR SEAT Yes (40H)
SPOILER Yes (923)
STEERING WHEEL AND SHIFT STICK HANDLE WITH LEATHER LINING Yes (320)
STEERING WHEEL CONTROLS 2 Yes (5BH)
STOP&START Yes (5DE)
TECH B Yes (5GY)
TINTED WINDOWS Yes (070)
TOW HOOK Yes (960)
TPMS 2 IND. (TIREPRESSURE MONITORING SYSTEM 2) Yes (7B2)
TRACTION CONTROL Yes (941)
UCONNECT ACCESS VIA MOBILE Yes (RSW)
VARNISHED EXTERNAL REARVIEW MIRRORS Yes (976)
VEHICLE DYNAMIC CONTROL (VDC) Yes (392)
VP2 - RADIO 5" TOUCHSCREEN WITH BLUETOOTH AND NAV (WITHOUT DAB) Yes (6Q8)
WINDSCREEN WITH PVB Yes (73L)