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New Alfa Romeo Stelvio Quadrifoglio vs Mercedes-AMG GLC 63 S

These hot SUVs from Alfa Romeo and Mercedes-AMG are thrilling as well as practical. Which one best puts the 'sport' in SUV?...

Alfa Romeo Stelvio Quadrifoglio
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What Car? team
8 Mar 2018 12:00

Buying and owning

Costs, equipment, reliability, safety and security

The GLC’s list price is nearly £7000 higher than the Stelvio’s, but our Target Price mystery shoppers were able to knock almost £3500 off, whereas they couldn’t get any discount on the Stelvio. The Stelvio is still cheaper to buy and run privately over three years, though, thanks to its stronger predicted residual values, better official fuel economy and cheaper servicing.

The GLC is pricier to buy on PCP finance, too. Over 36 months, with a £7000 deposit and a limit of 10,000 miles per year, you’ll pay £1201 per month for the GLC, while the Stelvio is a relative snip at £894. The difference in leasing costs is much smaller: just £40 per month in the Stelvio’s favour. It’ll also save you £82 in benefit-in-kind tax every month if you’re in the 40% bracket.

Mercedes-AMG GLC 63 S

Automatic emergency braking and lane departure warning are standard on both, with the Stelvio adding blindspot monitors and a rear cross-traffic alert. 

These items are available as part of a £1695 pack on the GLC, although that doesn’t stop the car from getting a five-star Euro NCAP crash test rating, like the Stelvio. While the Stelvio was found to be better at protecting adults, the GLC was fractionally better at safeguarding children. 

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