Seat Mii buyers will get three year's free servicing, if they buy the car through Seat's finance service.
The personal contract purchase scheme means you currently get a Mii from £136 per month with no deposit.
Currently, Seat's standard fixed-deal servicing plan, called 'It's fixed', charges flat rates across £129 for a minor service and £249 for a major one.
Seat is also including free sat-nav on every Mii Ecomotive, SE or Sport model bought between now and the end of the year.
Further up the Seat range, VAT-free deals are offered on selected Ibiza and Leon models.
Any Ibiza with a 1.4-litre 85 petrol engine is eligible for the deal, as are Leons in S Copa or SE Copa trims.
An example is the 1.2 TSI 105 PS S Copa, which drops by £2731 after VAT is removed, and will cost from £179 per month on the VAT-free deal.
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