For If you could capture thunder, it would sound like the SL63 accelerating hard. Above the lavish kit on every SL, AMG models have bespoke steering and suspension systems and upgraded styling.

Against The running costs are as outrageous as the performance, and given how good the SL500 is, it’s hard to argue that this model represents good value for money.

Mercedes-Benz SL Open

What Car? says

4 out of 5 stars

It's the SL taken to extremes, but the price and running costs should put you off. This costs way more than our favourite, the SL500, but it's certainly not that much better a car.

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Key facts

0–60mph
4.6 secs
Top speed
155 mph
Average mpg
20
Tank range
352 miles
See all running costs

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Buyer's notes

Target Price team says:

Engine choices are quick (V6), quicker (V8) and astoundingly quick (V12). The V6s are commendably strong and powerful, but the V8-engined SL500 is not only faster, it also has some crucial extra features, such as the Active Body Control air suspension. We reckon this is enough to make it worth the extra cash over a V6 – and that the SL500 is so good that the more expensive versions seem unnecessary.

On top of the three-year unlimited-mileage warranty, Mercedes cars also come with the Mobilo breakdown assistance package that provides you with assistance on the road for up to 30 years in more than 30 European countries. Different benefits apply, depending on what the problem is, and full details are available from the Mercedes Customer Assistance Centre.

Reader test team says:

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