How the DGT's position has evolved
Current position
Regarding VAT (IVA), passenger cars have a presumption of business use of 50%, although a different degree may be proven. To deduct vehicle expenses, the vehicle must be an asset used for the economic activity. In Personal Income Tax (IRPF), it is required to prove exclusive use for professional purposes, as ownership of another private vehicle does not prove such exclusivity.
The DGT's position remains constant regarding the application of the 50% presumption for passenger cars in VAT (IVA). A tightening is observed in the requirement for proof of business use for IRPF, requiring accreditation of exclusive use to avoid deductibility for personal use.
Turning points
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Establishes that business use must be proven by means admitted in Law, as mere accounting or the tax return-settlement is not sufficient.
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Specifies that ownership of another vehicle for private use does not, in itself, prove the exclusive use necessary for deductibility.
Analysis based on 32 of 35 rulings with a stated position. Updated 16 September 2026.