It's quieter than the diesels
at tickover when cold, too, although the diesels are just as quiet when you reach cruising speeds.
It's smoother, more linear and more refined throughout its rev range than Mazda's current Skyactiv - G petrol, pulls cleanly
from tickover in high gears if required, and doesn't have a hint of diesel - style rattle.
Despite the more aggressive cams, the company has claimed to have retained a factory -
smooth tickover.
Getting the car off the line is tricky, as dumping the clutch anywhere
above tickover seems to result in a black number 11 being drawn on the mile straight.
But there's obviously real power lurking under the chiselled bonnet, and the side - exit exhausts, even at a
slow tickover, shoot industrial plumes into the air.
Even with an ambling,
tickover start, the back tyres would spin up when the torque really kicked in, obliging you to back off a little, which then dumped boost.
From a little
over tickover, this 4.3 - litre, flat - plane - crank V8 feels and sounds like one of the sweetest and fruitiest twin - cam in - line fours you've ever heard.
As the revs drop, the bypass valves slowly constrict the fanfare, and the Superleggera settles into a menacing double -
time tickover.
We loved the
lumpy tickover with the TracKey, the gearbox is great and there's even some satisfaction to be had wrestling it at speed between the hedges and ditches of various shire roads.
Turbo lag is well suppressed and it picks up smartly from a little
past tickover making it feel fast in stop - start city traffic.
We've only driven the higher - powered C 250d and felt it's a little strained at high revs and coarse
on tickover, but it does offer decent punch — 201bhp and 500Nm of torque translates into a 0 - 62mph time of 6.7 seconds.
Flooring the Corsa VXR 888's throttle
at tickover and keeping it pinned is not unlike watching a lit fuse - wire.
To hear and feel this engine work its way
from tickover to the limiter in fourth gear is a thrill I doubt you'd ever tire of.
Leave it in «Drive» and the auto gearbox will change up early, keeping the revs barely
above tickover, and letting you roll along using the engine's huge torque reserves.
Of course, a supercar can get away with these kind of aural histrionics, in fact such a glorious cacophony at
tickover is compulsory.
It's the rumbling start up, turning out 350 lb ft at
tickover.
A total SLR nerd might also spot the new carbonfibre structures that house the revised cooling system, likewise the lightweight exhaust system that saves around 20 kg and adds a bit more meat to the SLR's seismic, pulsing throb at
tickover.
At
tickover, while we set the cameras up, the Aston has a wonderfully deep oscillating warble that sounds a bit like the exhaust is underwater.
No such trouble on the straights, though, and as soon as you open the throttle, whether it be at
tickover or 6000rpm, the AeroMax reveals its other masterpiece — an exhaust note that makes Brian Blessed sound demure.
Like the 414bhp FSI V8, this direct - injection V10 is a long - stroke design and combines thumping low - down torque (80 per cent of the 391 lb ft peak almost from
tickover) with a potent, furious top - end that reaches as far as 8700rpm.
Blip the throttle at
tickover and the little coupe twitches in anticipation; a look at the figures reveals why - GTM claims the Libra will clock 0 - 60mph in 4.9 sec and reach 150mph.