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Costs & verdict
Everyday costs, plus how reliable and safe it is
The S5 has a much lower starting price than the rival Mercedes-AMG C43, but the Kia Stinger is considerably cheaper than both cars. However, if you go for the range-topping Vorsprung version of the S5, which has just about every option box ticked, the price swells above that of all key rivals.
We wouldn’t bother with the Vorsprung, because the S5 is well enough equipped as standard. Standard luxuries include 19in alloys, self-dimming LED headlights, front and rear parking sensors and leather seats. Consider adding the Comfort & Sound Pack if you want a few more creature comforts.