Company car tax deductions: what can a limited company claim?

A limited company can obtain tax relief for a company car, but buying the car is not normally an ordinary expense deduction. The purchase is capital expenditure: eligible capital allowances provide the Corporation Tax deduction instead. Running costs and qualifying rental costs follow different rules. VAT recovery and the director's company-car benefit must then be considered separately.

That distinction matters more than the phrase "put it through the company". A payment can belong in the company's accounts without being deductible in full, recoverable for VAT, or tax-free for the person driving the car. HMRC: Corporation Tax expenses.

This guide concerns UK limited companies and ordinary passenger cars. It is not the private-use calculation for a sole trader, and it does not cover vans or specialist motor-trade arrangements. Rules were checked on 9 October 2026.

Which car costs can the company deduct?

The company must classify each car cost before calculating tax relief. A purchase normally needs capital allowances, depreciation is added back, and rentals or running costs have their own conditions. The bank payment alone does not establish the deduction.

The tax deduction must reflect the underlying transaction. Calling a purchase a "motor expense" in bookkeeping does not turn it into revenue expenditure. HMRC: capital versus revenue expenditure.

Why is car depreciation added back?

Depreciation spreads an asset's cost through the accounts. For a car, it is not the Corporation Tax deduction. The tax computation normally adds back the depreciation and then deducts the capital allowances actually claimed. HMRC: Capital v Revenue Expenditure Toolkit.

Illustrative example: a petrol company car

Assume a company buys a car costing £24,000, including VAT it cannot recover. The car emits 120g/km, belongs in the special-rate pool, and there are no other assets or movements in that pool. The accounting period is a full 12 months wholly after 1 April 2026.

The accounts show £40,000 profit after £6,000 car depreciation. Assume all other expenses are deductible and there are no other tax adjustments.

The company has not deducted £24,000 simply because it paid that amount. Nor has it deducted both £6,000 depreciation and £1,440 capital allowances. HMRC's current special-pool rate is 6%; the emissions rules determine whether that pool applies. HMRC: rates and pools, HMRC: car expenditure and emissions.

For the wider reconciliation, see Taxley's depreciation and capital allowances guide.

Does an electric car get a larger deduction?

A qualifying new and unused zero-emission car can receive a 100% first-year allowance. Under current HMRC guidance, the company expenditure deadline is 31 March 2027. A used electric car normally goes into the main pool instead. HMRC: first-year allowances, HMRC: business cars.

For companies, the annual main-pool rate became 14% from 1 April 2026, replacing 18%. Accounting periods spanning the change use a hybrid rate, and a shorter or longer period changes the annual calculation. HMRC: writing-down allowance rates.

Cars do not qualify for the Annual Investment Allowance, full expensing or the 40% first-year allowance. Do not select a general equipment allowance just because the car is a business asset. HMRC: business cars.

The allowance reduces taxable profit, not the invoice price. A £10,000 deduction is not a £10,000 tax saving. The actual saving depends on the company's tax position, including losses, marginal relief and associated companies. HMRC: Corporation Tax rates.

Does private use stop the company claiming relief?

Not necessarily. A company providing a car to an employee or director can claim capital allowances on its full eligible cost even where private use creates a taxable benefit. That is different from a sole trader's private-use restriction. HMRC: business cars and private use.

But this is not permission to deduct any personal purchase. The company must properly account for what it provides. A personal cost may be remuneration, a taxable benefit or a director's loan item rather than an ordinary trading expense. HMRC: private expenses and remuneration.

Keep these three questions separate:

• What relief belongs in the company's Corporation Tax computation?
• What benefit must be reported for the director or employee?
• What employer National Insurance arises on that benefit?

For 2026/27, a zero-emission company car has a 4% benefit percentage and the employer's Class 1A National Insurance rate is 15%. The relevant list price and availability conditions still matter. HMRC: company-car percentages, HMRC: employer rates for 2026/27.

Can a tax-deductible car still have blocked VAT?

Yes. For an ordinary director's car available for private use, purchase VAT is generally blocked even if the company can claim capital allowances. Being electric does not create a purchase-VAT exemption. HMRC: car purchase VAT restrictions.

For a qualifying lease with private use, the normal restriction is instead 50% of the rental VAT, subject to the other input-tax rules. It is not a deduction of 50% of the entire rental payment. HMRC: VAT on leased cars.

What records should you keep?

Keep the purchase invoice or full finance agreement, VAT treatment, emissions evidence, expenditure date, fixed-asset entry and capital-allowance schedule. Also retain the car's relevant list price, private-use arrangements and benefit-reporting records.

For running expenses, keep invoices and an explanation of the company's purpose in paying them. For a lease, retain the contract, rental schedule and separately identified maintenance charges. These records let you reconcile the accounts, VAT records and tax computation without claiming the same cost twice.

Frequently asked questions

Can my company deduct the full price of a petrol car immediately?

Usually not. Ordinary cars are outside AIA and full expensing; relief normally comes through the appropriate capital-allowance pool. Paying cash rather than borrowing does not change that classification. HMRC: business cars.

Does a hire-purchase monthly payment count as a deductible lease?

Do not assume so. Identify the capital cost and financing element from the agreement. A repayment of the purchase price is not the same thing as an ordinary hire rental. HMRC: capital and finance expenditure.

Can I claim depreciation if I do not claim capital allowances?

No. Choosing not to claim an allowance does not make car depreciation deductible. The accounts-to-tax adjustment is still required, so leaving out the allowance does not remove the depreciation add-back. HMRC: depreciation adjustments.

Can I deduct the same car cost as both an expense and an allowance?

No. Classify the underlying cost and reconcile the accounts before calculating the claim. Adding back accounting depreciation and deducting the eligible capital allowance prevents the purchase cost being relieved twice through the same computation. HMRC: capital and revenue expenses.

How do you prepare the company-tax figures?

First separate the purchase, running costs, VAT and personal benefit. Then reconcile the accounts to the capital-allowance claim. Taxley's capital allowances guide explains how those figures fit into a company tax computation.

When your figures are ready, check whether Taxley suits your company's filing. That suitability check does not replace separate VAT or company-car benefit reporting.

General information, not personalised tax or accounting advice. Rates and conditions checked on 9 October 2026.