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. Exclusive to Clubcard customers - when you get a quote and buy a Tesco Standard Car insurance policy between 28th May and 22nd July you can claim a FREE Karcher K2.36M pressure washer worth £100 (excludes Value Insurance).