Tesco offers savings of up to 30% on car insurance compared with other providers, you will also receive a 15% discount for buying your policy online. Tesco offers a 'Value' car insurance product with some of the extras taken out to make it cheaper, this is only available online to keep costs even lower. Get one Clubcard Point for every £2 you pay on your premium. Buy any Tesco Car Insurance policy online before 17th September and receive £40 off your shopping or fuel at Tesco using the code: shop40.