Audi A3 Sportback 30 TFSI Sport cost to own in the UK — the true 5-year total
The Audi A3 Sportback 30 TFSI Sport starts at £30,895. Over 5 years, owning one (petrol car) costs about £36,238 in the UK as of August 6, 2026 — £604/month, £0.60/mile — including depreciation, fuel, maintenance, insurance, financing and VED.
Audi A3 Sportback 30 TFSI Sport incentives & grants
UK Electric Car Grant: up to £3,750 off the price of an eligible new EV (RRP ≤ £37,000, applied by the dealer). Shown for reference; not included in the totals above. Source: GOV.UK Electric Car Grant.
Audi A3 Sportback 30 TFSI Sport · UK · 5-year estimate£36,238 total · £604/mo · £0.60/mi
Where the money goes
| Cost component | Petrol · Audi A3 Sportback 30 |
|---|---|
| Depreciation (estimated) | £16,992 (47%) |
| Charging / fuel | £8,294 (23%) |
| ↳ of which charging loss | — |
| Maintenance | £2,250 (6%) |
| Insurance | £2,455 (7%) |
| Financing interest | £5,246 (14%) |
| Registration & fees | £1,000 (3%) |
| Total cost of ownership | £36,238 |
Audi A3 Sportback 30 TFSI Sport specs & assumptions
- Starting price (RRP)
- £30,895manufacturer
- Powertrain
- Petrol
- Efficiency
- 50.4 mpgWLTP
- UK electricity
- 26.11p/kWhOfgem
- Annual miles (assumed)
- 12,000UK average
Compare the Audi A3 Sportback 30 TFSI Sport against any car, your mileage & your scenario
What the numbers say
The Audi A3 Sportback 30 TFSI Sport costs about £36,238 to own over 5 years in the UK — £604/month, £0.60/mi at 12,000 mi/yr — and depreciation is the biggest line: £16,992, 47% of the total (as of August 6, 2026).
- Where the Audi A3 Sportback 30 TFSI Sport's £36,238 actually goes: depreciation £16,992 (47%), petrol £8,294 (23%), financing interest £5,246 (14%), insurance £2,455 (7%), maintenance £2,250 (6%), registration & fees £1,000 (3%).
- Per mile, that is £0.28 of depreciation and £0.14 of petrol, with £0.18 for everything else — £0.60/mile all-in.
- Petrol vs the fleet: at £8,294 over 5 years the Audi A3 Sportback 30 TFSI Sport sits within £0 of the £8,294 median for the 26 petrol and hybrid models we price — nothing unusual either way.
What we assume for maintenance
Assumed £450/yr for a petrol car at 12,000 mi/yr — about £2,250 of the 5-year total above. On this market's assumptions an EV runs about £150/yr less in maintenance than a petrol car (£300 vs £450). See the methodology for sources; adjustable in the calculator.