Maryland Transportation Section 13-939.1
§ 13-939.1.
  Notwithstanding any other provision of this subtitle, for a rental vehicle as defined in § 11-148.1 of this article, the annual registration fee is:
    (1)   For a Class A (passenger) vehicle with a manufacturer's shipping weight of:
      (i)   3,700 pounds or less - $27.00; and
      (ii)   More than 3,700 pounds - $40.50;
    (2)   For a Class E (truck) vehicle with a manufacturer's rated capacity of 3/4 ton or less and a maximum gross vehicle weight of 7,000 pounds or less - $33.75;
    (3)   Notwithstanding item (2) of this section, for a Class E (truck) vehicle:
With Maximum Gross Weight     Fee (per 1,000 Pounds
Limit (in Pounds)     or Fraction Thereof)
10,000 (minimum) - 18,000     $4.75
18,001 - 26,000     7.50
26,001 - 40,000     8.50
40,001 - 60,000     10.50
60,001 - 80,000 (maximum)     11.75;
    (4)   For a Class F (tractor) vehicle based on the maximum gross weight of the vehicle in combination with a trailer or semitrailer as follows:
Maximum Gross Weight     Fee (per 1,000 Pounds
Limit (in Pounds)     or Fraction Thereof)
40,000 (minimum) - 60,000     $14.50
60,001 - 80,000 or more     16.00;
    (5)   For a Class G (trailer) vehicle based on the maximum gross weight as follows:
      (i)   For a nonfreight trailer or semitrailer:
Maximum Gross Weight
Limit (in Pounds)     Fee
3,000 or less     $13.50
3,001 - 5,000     27.00
5,001 - 10,000     47.25
10,001 - 20,000     81.00; and
      (ii)   For a freight trailer or semitrailer - $20.25; and
    (6)   For a Class M (multipurpose) vehicle with a manufacturer's shipping weight of:
      (i)   3,700 pounds or less - $27.00; and
      (ii)   More than 3,700 pounds - $40.50.