The Donegal figure is above the national average increase of 27%.
The review, compiled by economist Jim Power using data from SIMI and DoneDeal, looks at all aspects of the motor industry and the socio-economic impacts on the area over the past several years and specifically for the first quarter of 2014.
The Review shows that new car sales in Donegal saw an increase of 32.9% - 1,232 new cars were sold in the county in the first three months of the year, compared to just 927 in the 1st quarter of 2013.
Dublin saw the lowest increase in growth, just 16.6% but Dublin represented 36.4% of all new car sales in the 1st quarter.
The review shows a significant upturn in the motor industry compared to previous years and the first quarter has already shown a cause for optimism within the industry in Ireland