These three are all the same cars, listed three different ways
https://www.imcdb.org/vehicles.php?make=Chesil&model=356+A+Speedster
https://www.imcdb.org/vehicles.php?make=Chesil&model=Speedster
https://www.imcdb.org/vehicles.php?make=Chesil&model=Speedster+Porsche+356+Repli- ca

"Caterpillar 22" should be "Twenty-Two" -> https://www.imcdb.org/vehicles.php?make=Caterpillar&model=Twenty-Two
https://www.imcdb.org/vehicle_462840-Caterpillar-22.html
https://www.imcdb.org/vehicle_1692050-Caterpillar-22.html

Same thing listed two different ways
https://www.imcdb.org/vehicles_make-Chevrolet_model-CERV-III.html
https://www.imcdb.org/vehicles.php?make=Chevrolet&model=Corvette+CERV+III

Same things
https://www.imcdb.org/vehicles_make-Chevrolet_model-Apache.html
https://www.imcdb.org/vehicles.php?make=Chevrolet&model=Task-Force+Apache

Same things
https://www.imcdb.org/vehicles_make-Cizeta_model-V16T.html
https://www.imcdb.org/vehicles.php?make=Cizeta-Moroder&model=V16T

"Heavy-Duty" instead of "Heavy Duty" -> https://www.imcdb.org/vehicles.php?make=Chevrolet&model=Heavy-Duty
https://www.imcdb.org/vehicle_1938417-Chevrolet-Heavy-Duty-1939.html

"Chungseong" instead of "Chungsong" -> https://www.imcdb.org/vehicles_make-Chungseong.html
https://www.imcdb.org/vehicle_1181770-Chungsong.html

These are all replicas of the same vehicle, but only one of the 6 is listed as a replica
https://www.imcdb.org/vehicles_make-Cugnot.html

Same thing, 2 out of 3 listed as replica
https://www.imcdb.org/vehicles.php?make=Custom+Made&model=Bugatti

"Dune Bug" to "Dune Buggy" -> https://www.imcdb.org/vehicles.php?make=Custom+Made&model=Dune+Buggy
https://www.imcdb.org/vehicle_1527095-Custom-Made-Dune-Bug.html