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New BMW M5 vs Mercedes-AMG E63 S

With close to 600bhp and four-wheel drive, BMW’s new M5 super-saloon is all set to challenge the mighty Mercedes-AMG E63 S. Let’s see how it fares

Words By What Car? team

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BMW M5

Buying and owning

Costs, equipment, reliability, safety and security

You’ll need nearly Β£90,000 to buy either car with cash, and because the M5 has only just gone on sale, BMW won’t give you a penny off. Haggle with Mercedes, though, and you’ll be able to get the price of the E63 S down by about Β£5000.

That goes some way toward the Mercedes being the cheaper car to own privately over three years, by nearly Β£8000. Better fuel economy (its V8 can run on four cylinders at a cruise), cheaper insurance and slower depreciation help, too.

The Mercedes is also cheaper if you’re buying on PCP finance. Stick down a Β£10,000 deposit on a three-year deal, limited to 10,000 miles per year, and you’ll pay Β£1367 per month, compared with Β£1508 for the BMW.

Both cars get a huge amount of standard kit, although a powered boot-lid, a sunroof and keyless entry are all included on the BMW but options on the Mercedes. The same goes for safety kit; both get automatic emergency braking, but the BMW adds cross traffic alert (which brakes if it detects traffic crossing behind you as you’re reversing), blind-spot monitoring and lane departure warning – all options on the Mercedes.

Even so, these cars’ everyday counterparts (the 5 Series and E-Class) received five-star ratings from Euro NCAP, while security firm Thatcham rates them as excellent at standing up to a break-in and good at resisting being driven away by a thief.


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Review

BMW M5

What Car? Says Rated 4 out of 5
Owners say Not yet rated

Despite having the power to slay supercars, the BMW M5 is comfortable and no harder to drive than a regular 5 Series. However, it’s not quite as exciting as the Mercedes-AMG E63