how to count model of car

Question

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how to count of model of car

here is the database for car

ID CarRego Model     Make       ManufactureYear PersonID
--------------------------------------------------------
1  abc123  Van       Toyota     2001            1
2  abc234  Ute       Honda      2005            1
3  pio345  Hatchback Mitsubishi 1990            2
4  elf234  Hatchback Ford       1996            3
5  flo124  Hatchback Toyota     1992            4
6  asc234  hatchback Holden     1965            6
7  xyz     hatchback Holden     1998            5
8  avc     Van       jhjhjkhk   1989            1 

here is the database for person

ID FirstName   LastName    PersonalWealth
------------------------------------------
1  Hello       Alest       $10,000.00
2  Leeds       United      $20,000.00
3  Middle      Brough      $30,000.00
4  Arsenal     Chelsey     $40,000.00
5  Manchester  United      $50,000.00
6  Peter       Mean        $60,000.00
7  Hello       Coward      $60,000.00

here is the code that i have

  SELECT Count(Car.ID) AS CountOfid1, 
         Car.Model
    FROM person 
INNER JOIN Car ON person.ID=Car.ID
GROUP BY Car.Model; 

but it works with van saying 2 of them but in real there is only one owner how do i fix this?? Help would be much appreciated