And as with the coupe, the Sportback has a 0 - 62mph time of 3.9 seconds and a top speed of 174mph if
the 155mph limiter is removed.
The wealthy gentleman's off - roader produces 563bhp and 627 lb ft of torque from just 1600rpm; enough to reach
the 155mph limiter easily enough and dispatch the 0 - 62mph sprint in... well, Rolls doesn't supply figures for such an uncouth activity, so we'll just have to assume that it's plenty brisk enough, thank you very much.
Most importantly, this torque is produced at just 1700rpm making progress effortless all the way to
the 155mph limiter.
That would give the M135i comparable power to the Audi RS3, although straight - line performance is likely to suffer due to the BMW's relative shortage of driven wheels — we can still expect the production version to have a sub-5 second 0 - 62mph time, and performance curtailed by
a 155mph limiter.
Here it's mated to Merc's seven - speed MCT automatic gearbox and is claimed to hustle the 1845 kg SL from 0 to 62mph in 4.3 sec on its way to the inevitable
155mph limiter.
The C43 covers the same 0 - 62mph sprint in 4.7 sec and hits the same
155mph limiter.
The E63's natural home is barrelling down an autobahn straining against its limiter - regardless of whether we're talking the standard
155mph limiter or the 186mph raised ceiling of the optional AMG Driver's package.
But 5.9 sec to 60mph is hardly slow and both old and new M5s are constrained by the same
155mph limiter.
Top speed is improved too, the restrictive
155mph limiter now extended to 186mph.
Another interesting development came from talking to a senior Subaru engineer, who confirmed that early media reports the car would have
a 155mph limiter have been off - target.
Not exact matches
The new supercharged V8 Range Rover will be the first Land Rover product to have a
155mph resrictor, but Rogers confirmed that, without the
limiter, it will already do «at least 186mph.»
It's in - gear where the biggest differences will be felt, though both AMG models also offer the option of extending the electronic
limiter to 186mph from the usual
155mph, and with over 600bhp at its disposal it's not hard to imagine the SL 65 passing the double - ton if unleashed entirely.
Considering the A5 also boasts a 5.8 - second 0 - 62mph time, and will keep accelerating until the electronic
limiter calls time at
155mph, that's pretty impressive.
The larger diesels can all do the 0 - 62mph sprint in less than eight seconds (6.6 sec for the C250d) and the hybrids are commendably brisk; the C300h is a 6.4 - second - to - 62mph car (topping out at 152mph) while the plug - in hybrid C350e covers the same sprint in 5.9 seconds and reaches an electronic
limiter at
155mph.
Top speed is limited to
155mph, although Audi can remove the electronic
limiter, upping that figure to 174mph.
0 - 62mph is dispatched in 4.1 seconds, and while top speed is limited to
155mph Audi can up the
limiter's threshold to 174mph on request.
Aerodynamic drag and aerodynamic lift have also been reduced — a measure that's of more importance on a car capable of almost 200mph than on anything with a
155mph electronic speed
limiter.
AMG customers can also purchase the AMG Driver's package that increases the top speed
limiter from
155mph to 186mph on the S 63 and S 65 AMG Cabriolet's at a cost of # 1,960 and # 765 respectively.
Top speed is limited to
155mph, but opt for the RS dynamic package and Audi will remove the
limiter, taking the maximum speed to 174mph.
Also optional are a few exterior add - ons such as side skirts and the deletion of the
155mph speed -
limiter.
Whip the
155mph top speed
limiter off as part of the optional M Driver's package and it can hit 190mph.