No, not exactly.
In 1992, Hindustan releases the "Ambassador 1800 ISZ", It is only when 1998, that the name of "Classic" is adopted.
https://en.wikipedia.org/wiki/Hindustan_Ambassador#Ambassador_1800_ISZ,_Classic

1992+, model is "Ambassadeur 1800 ISZ", origin: India, for there:
https://www.imcdb.org/vehicle_1245454-Hindustan-Ambassador-Nova.html
https://www.imcdb.org/vehicle_925339-Hindustan-Ambassador-Nova.html
https://www.imcdb.org/vehicle_1639016-Hindustan-Ambassador-Nova-1990.html
https://www.imcdb.org/vehicle_107053-Hindustan-Ambassador-Nova-1992.html
https://www.imcdb.org/vehicle_130186-Hindustan-Ambassador-Nova-1992.html
https://www.imcdb.org/vehicle_130200-Hindustan-Ambassador-Nova-1992.html

should be merged
https://www.imcdb.org/vehicle_1984611.html
https://www.imcdb.org/vehicle_1984610.html


french Manitou MSI-Series
https://www.imcdb.org/vehicle_1984120.html

rather Ambassador I suppose
Isn't 1800 ISZ a trim of the Classic model?
Cf https://www.imcdb.org/vehicle.php?id=975133

https://www.imcdb.org/vehicle_1981839.html
https://www.imcdb.org/vehicle_1983573-Nissan.html
https://www.imcdb.org/vehicle_1982506-Mercedes-Benz.html
https://www.imcdb.org/vehicle_1982795-Mitsubishi.html
https://www.imcdb.org/vehicle_1982790.html
https://www.imcdb.org/vehicle_1982792.html
https://www.imcdb.org/vehicle_1982745-Toyota.html
https://www.imcdb.org/vehicle_1983902.html

Vehicle Year & Model Code and Name Change
https://www.imcdb.org/vehicle_1983873-Toyota-Tundra.html
https://www.imcdb.org/vehicle_1659832-Hyundai-i30-FD-2007.html
https://www.imcdb.org/vehicle_1034245-Hyundai-i30-FD-2007.html
https://www.imcdb.org/vehicle_1798923-Hyundai-i30-FD-2007.html
https://www.imcdb.org/vehicle_1983729-SsangYong-Tivoli-X100.html
https://www.imcdb.org/vehicle_1983611-%C5%A0koda-Forman-Typ-785.html
https://www.imcdb.org/vehicle_1983216-Nissan-Cedric-Y31.html
https://www.imcdb.org/vehicle_1983213-Mitsubishi-Minica-H30.html
https://www.imcdb.org/vehicle_1983227-Toyota-HiAce-Regius-XH40G.html
https://www.imcdb.org/vehicle_1982884-Mitsubishi-Fuso-Canter.html
https://www.imcdb.org/vehicle_1982791-Mazda-Bongo-SK.html
https://www.imcdb.org/vehicle_1982885-Suzuki-Carry.html
https://www.imcdb.org/vehicle_1982742-Mitsubishi-Minicab-Truck.html
https://www.imcdb.org/vehicle_1982744-Toyota-Corolla-Fielder-E140G.html
https://www.imcdb.org/vehicle_1983802-Daihatsu-Move-LA100S.html
https://www.imcdb.org/vehicle_1984781-Hino-Renault-4CV.html
https://www.imcdb.org/vehicle_1984783-Toyopet-Crown-RS.html
https://www.imcdb.org/vehicle_1984760-Isuzu-Hillman-Minx.html
https://www.imcdb.org/vehicle_1788574-Isuzu-Hillman-Minx.html
https://www.imcdb.org/vehicle_1984772-Toyopet-Crown-RS.html
https://www.imcdb.org/vehicle_1984791-Toyopet-Masterline-RR17.html
https://www.imcdb.org/vehicle_1040834-Nissan-Skyline-C210.html
https://www.imcdb.org/vehicle_1824331-Nissan-Skyline-C210.html
https://www.imcdb.org/vehicle_835523-Buick-Grand-National.html
https://www.imcdb.org/vehicle_1364147-Buick-Grand-National.html
https://www.imcdb.org/vehicle_1735557-Dodge-Neon-PL.html
https://www.imcdb.org/vehicle_1957366-Isuzu-Forward.html
https://www.imcdb.org/vehicle_1982898-Honda-Civic-EC.html
https://www.imcdb.org/vehicle_1984247-Jeep-Grand-Cherokee-WK2.html
https://www.imcdb.org/vehicle_1811698-Cadillac-CTS.html
https://www.imcdb.org/vehicle_1983898-smart-Fortwo-451.html
https://www.imcdb.org/vehicle_1983736-Toyota-LiteAce.html
https://www.imcdb.org/vehicle_1167820-Toyota-TownAce-Van-S402M.html
https://www.imcdb.org/vehicle_1983742-Toyota-Sienta-NHP170G.html
https://www.imcdb.org/vehicle_1983775-Suzuki-Every-DA64V.html
https://www.imcdb.org/vehicle_1983783-Daihatsu-Hijet-Cargo-S321V.html
https://www.imcdb.org/vehicle_1983797-Daihatsu-Hijet-Cargo-S321V.html
https://www.imcdb.org/vehicle_1983840-Mercedes-Benz-GL-X166.html
https://www.imcdb.org/vehicle_1983813-Honda-Gyro.html
https://www.imcdb.org/vehicle_1983572-Subaru-Legacy-BP.html
https://www.imcdb.org/vehicle_1983574-Toyota-Prius-NHW20.html
https://www.imcdb.org/vehicle_1983575-Daihatsu-Hijet.html

2003+:

https://www.imcdb.org/vehicle_40134-Mercedes-Benz-E-55-AMG-W211-2004.html
https://www.imcdb.org/vehicle_757644-Mercedes-Benz-E-55-AMG-W211-2004.html
https://www.imcdb.org/vehicle_512294-Mercedes-Benz-E-Klasse-W211-2004.html
https://www.imcdb.org/vehicle_1723950-Mercedes-Benz-E-Klasse-W211-2004.html

2004+:

https://www.imcdb.org/vehicle_1697043-Mercedes-Benz-E-Klasse-W211-2003.html
https://www.imcdb.org/vehicle_1328367-Mercedes-Benz-E-Klasse-W211-2003.html
https://www.imcdb.org/vehicle_890383-Mercedes-Benz-E-Klasse-W211-2003.html

2006+:

https://www.imcdb.org/vehicle_513023-Lexus-GS-S190-2007.html

S550 4Matic:

https://www.imcdb.org/vehicle_1313203-Mercedes-Benz-S-Klasse-W221-2007.html

E320:

https://www.imcdb.org/vehicle_454583-Mercedes-Benz-E-Klasse-W211-2003.html
https://www.imcdb.org/vehicle_724230-Mercedes-Benz-E-Klasse-W211-2003.html

https://www.imcdb.org/vehicle_805702-Chevrolet-Corvette-2010.html
https://www.imcdb.org/vehicle_1981976-Dodge-Charger-LD.html
https://www.imcdb.org/vehicle_1981978-Hyundai.html#Comment3698465
https://www.imcdb.org/vehicle_1981974-Jeep-Wrangler-JK.html
https://www.imcdb.org/vehicle_1981977-Mercedes-Benz-SLK-R172.html
https://www.imcdb.org/vehicle_1296680-Mitsubishi-Fuso-Colt-Diesel-FE-Series-2007.html
https://www.imcdb.org/vehicle_862607-Hindustan-Ambassador-1971.html
https://www.imcdb.org/vehicle_445348.html
https://www.imcdb.org/vehicle_1982599-Mercedes-Maybach-S-Klasse-X222-2016.html
https://www.imcdb.org/vehicle_1982570.html
https://www.imcdb.org/vehicle_1982571-Western-Star.html
https://www.imcdb.org/vehicle_1899859-RE.html
https://www.imcdb.org/vehicle_1899878.html
https://www.imcdb.org/vehicle_1899938.html
https://www.imcdb.org/vehicle_1606696-Jeep-Compass-MP-2021.html
https://www.imcdb.org/vehicle_1717756-Jeep-Compass-MP-2021.html
https://www.imcdb.org/vehicle_1722333-Jeep-Compass-MP-2021.html
https://www.imcdb.org/vehicle_1849084-Jeep-Compass-MP-2021.html
https://www.imcdb.org/vehicle_1606695-Jeep-Renegade-BU-2020.html
https://www.imcdb.org/vehicle_1907069-Jeep-Renegade-BU-2020.html
https://www.imcdb.org/vehicle_1783071-Jeep-Renegade-BU-2021.html
https://www.imcdb.org/vehicle_1899886-Ashok-Leyland.html
https://www.imcdb.org/vehicle_1982787.html
https://www.imcdb.org/vehicle_1689167-Mahindra-FJ-470-Ambulance-1983.html
https://www.imcdb.org/vehicle_1689168-Mahindra-FJ-470-Ambulance-1983.html
https://www.imcdb.org/vehicle_147195-Mahindra-FJ-470-Mini-Bus-1983.html
https://www.imcdb.org/vehicle_696889-Mahindra-FJ-470-Mini-Bus-1983.html
https://www.imcdb.org/vehicle_571538-Mahindra-FJ-470-Mini-Bus-1983.html
https://www.imcdb.org/vehicle_1426095-Mahindra-FJ-470-Mini-Bus-1983.html
https://www.imcdb.org/vehicle_1872775-Swaraj-Mazda-T3500.html
https://www.imcdb.org/vehicle_1979732.html
https://www.imcdb.org/vehicle_1982871-McLaren.html
https://www.imcdb.org/vehicle_1983132.html
https://www.imcdb.org/vehicle_1462213-Renault.html
https://www.imcdb.org/vehicle_908626-Mahindra-DP-540-1992.html#Comment3700838
https://www.imcdb.org/vehicle_1983843.html
https://www.imcdb.org/vehicle_1984034.html
https://www.imcdb.org/vehicle_1983822.html
https://www.imcdb.org/vehicle_1983619-ARO.html
https://www.imcdb.org/vehicle_1984225-Suzuki-V-Strom.html
https://www.imcdb.org/vehicle_1983764.html
https://www.imcdb.org/vehicle_1983766.html
https://www.imcdb.org/vehicle_1983799.html
https://www.imcdb.org/vehicle_1984029.html
https://www.imcdb.org/vehicle_1983830.html
https://www.imcdb.org/vehicle_1984031.html
https://www.imcdb.org/vehicle_1984180.html
https://www.imcdb.org/vehicle_1984168-Chevrolet.html
https://www.imcdb.org/vehicle_1984174-Ford.html
https://www.imcdb.org/vehicle_1984178-John-Deere.html
https://www.imcdb.org/vehicle_1984184-Pontiac-Parisienne.html
https://www.imcdb.org/vehicle_1984181.html
https://www.imcdb.org/vehicle_1965516-Land-Rover-Discovery-L319-2011.html
https://www.imcdb.org/vehicle_1983133-Renault-Master-1998.html

1964+ Mk2, Origin: India, for there:
https://www.imcdb.org/vehicle_1675652-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1327233-Hindustan-Ambassador.html

1975+ Mk3, Origin: India, for there:
https://www.imcdb.org/vehicle_1455256-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1391870-Hindustan-Ambassador.html

1979+ Mk4, Origin: India, for there:
https://www.imcdb.org/vehicle_1901879-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1901847-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1896641-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1861580-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1861366-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1837227-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1624160-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1340884-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1307856-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1201928-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_213513-Hindustan-Ambassador.html

1992+, model is "Ambassadeur 1800 ISZ", origin: India, for there:
https://www.imcdb.org/vehicle_1365567-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1594470-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1311301-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_976098-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_715724-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_570037-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_194715-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_142140-Hindustan-Ambassador-Nova.html
https://www.imcdb.org/vehicle_731538-Hindustan-Ambassador-Classic-1992.html

1998+, model is "Ambassador Classic", origin: India, for there:
https://www.imcdb.org/vehicle_1901928-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1977196-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1898369-Hindustan-Ambassador.html
https://www.imcdb.org/vehicle_1841750-Hindustan-Ambassador.html

2003+, model is "Ambassador Grand", origin: India, for this:
https://www.imcdb.org/vehicle_1897736-Hindustan-Ambassador.html

Chevy by default
https://www.imcdb.org/vehicle_1983750.html




Case
https://www.imcdb.org/vehicle_1984180.html

Ford
https://www.imcdb.org/vehicle_1984181.html

https://www.imcdb.org/vehicle_1984141.html
https://www.imcdb.org/vehicle_1984045.html

https://www.imcdb.org/vehicle_1984029.html

https://www.imcdb.org/vehicle_1983822.html
https://www.imcdb.org/vehicle_1983799.html
https://www.imcdb.org/vehicle_1983830.html
https://www.imcdb.org/vehicle_1984031.html

https://www.imcdb.org/vehicle_1983766.html
https://www.imcdb.org/vehicle_1983764.html

MIS-ID
https://www.imcdb.org/vehicle_679242-Mathieu-Yno-Azura-2.html


duplicates
https://www.imcdb.org/vehicle_1983843.html
https://www.imcdb.org/vehicle_1984034.html

https://www.imcdb.org/vehicle_1982521.html

https://www.imcdb.org/vehicle_1982862-Kubota.html

https://www.imcdb.org/vehicle_1982800.html

https://www.imcdb.org/vehicle_1982843.html

https://www.imcdb.org/vehicle_67602-American-LaFrance-Pumper-1972.html

https://www.imcdb.org/vehicle_1983148.html

https://www.imcdb.org/vehicle_1397283.html


https://www.imcdb.org/vehicle_1983485.html

Ok, I’ll just leave details about the Seagrave in the comments of the main page. Thanks for your help, antp

I changed the framed vehicle to take the one in center then.
Not sure if the Seagrave deserves a separate page.