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By Bruce McCulloch
I think most agree with me when I say that a great engine is most definitely one of the top priorities in any sports car. Whether it is a Lotus, or a Ferrari, it makes little difference. Obviously, an engine is much of what gives a vehicle’s it character. Drive a BMW M5 for instance and you’ll immediately notice it’s eagerness to rev; drive an AMG Mercedes, however, and you instantly notice it’s character is much more thundering and ultimately, more muscular.
In a supercar, there very few things which are as illustrious and electrifying as the engine. Few things can match the blistering speed, pulsation of the horsepower coupling with the torque and of course, the loud mechanical howl the engine gives off during operation. Needless to say, it’s a sensation which few things can match.
That all being said, let us take the time to examine two extreme supercar engines which quite frankly, share little in common beside the fact that they help to power amazing machines.
Porsche Carrera GT – 5.7 litre, 10-Cylinder

The anecdote behind the Carrera GT’s 10-cylinder engine is a particularly interesting one. Originally developed to be fitted to a future LeMans race car, the project was ended nearly as fast as it was conceived. Thanks to ever-tightening emissions regulations throughout the racing world, Porsche engineers were essentially forced to throw the project away, or until it could serve its purpose elsewhere. And in 1999, the plan to fit the engine into a concept car called the “Carrera GT” – which first debuted at the Paris Motor show in ’00 – came to life.
Originally, the car had been a mere concept, but excited Porsche fans meant that Porsche soon saw the Potential to produce the Carrera GT as a road vehicle. But before they could do so, they realized that the basic engine would just not do; not only was it not passing emissions, but it was after all, a racing engine. Not smooth, or road worthy by any means and thus leading Porsche engineers back to the drawing board to make a number of modifications to make the engine more suitable for the road.
The first of many changes which the 10-cylinder motor endured was an increase in capacity displacement. The original engine had boasted just 5.0 litres, but for the road version of the engine, engineers saw fit to increase the displacement, thus ultimately allowing the engine’s maximum torque load to increase.
Additionally, the original (approximately) 10,000 rpm redline was notably reduced not only because it didn’t pass air-emissions regulations, but also because of its inability to meet noise-level regulations and added unwanted cockpit vibration.
And thanks to a series of brilliantly-engineered emissions control systems and an on-board diagnostics setup that continually monitored the exhaust system, the Carrera GT passed 2004 regulation standards with flying colours. In addition, each of the two cylinder banks has its own exhaust system in which two sets of catalytic converters are operated. From thereon, a cross-flow system helps to cool each cylinder which in turn always keeps the engine at a moderate temperature.
Tidbit: The engines cylinders are coated with a combination of nickel and silicon to reduce wear.
So from a technical standpoint, this engine is most certainly a Porsche product. It’s an engine which showcases some 70 years of motorsport history and advancement. On the other hand, the 10-cylinder also happens to be quite unlike any other Porsche engine we’ve ever seen. Rather than relying on forced induction – like many Porsches before – the Carrera GT’s character is defined through its ability to feed off it’s revs, and like any true race car, it does it damn well. With a maximum redline of 8,400 revolutions per minute and some 600bhp working collectively with 435lb-ft of torque peaking at 5,700 rpm, the Carrera GT’s engine is unique. Sure, there have been numerous (great) attempts from other such manufacturers like Ferrari at creating an engine which will rev to no-end, but this motor is pretty much unparalleled when taken as a whole.
Weighing a slim 205kg (or 452lbs) and boasting a compression ratio of 12.0:1, the engine acts in a way which is very much reminiscent to a racing car. Feeding on the gobs of torque available at high revs, while still retaining a great deal of road-worthy torque, its speed and ability to rev is seemingly endless. English “Top Gear” journalist, “Jeremy Clarkson” probably said it best when he said: “it’s like it’s in vacuum”.
And when it comes to toddling around, what’s immediately notable about the 10-cylinder motor in this car is that it lacks inertia when it’s revved. If you rev it a stop light, for instance, you’ll notice how the engine has no carry over and by that I’m referring to how engine responds when you let your foot off the throttle. The way in which the engine responds to throttle modulation is undoubtedly unique as it has no inertia. It’s hard to explain, but more understandable if you have knowledge of motorsport - think Formula One car.
Frankly, few engines are as interesting or intoxicating as this one. One of the best engines ever made? You bet.
Specifications:
5733cc (5.7 litres) 10 Cylinders, 90 degree
Aspirated: Naturally
Bore & Stroke: 98.0mm x 76.0mm
Compression Ratio: 12.0:1
DOHC, 4VPC (40 total valves), VarioCam
Redline: 8,400 revolutions per minute
612 PS (604bhp) @ 8,000 rpm; 590Nm (435lb-ft) of torque @ 5,750 rpm
105.9 bhp/litre
Bugatti Veyron – 8.0 litre, 16-Cylinder

“A 16-cylinder engine in a road-legal sports car? Don’t be obtuse.”
Quite frankly, that was most people’s reaction to the concept version of the Veyron. Most people thought it was an obvious recipe for disaster, and as the project was continually delayed, most thought their assumptions about such were correct. Mind you, many people hadn’t put any consideration into the fact that the automotive world had in fact seen numerous 16-cylinder engines – albeit less powerful – before. In fact, the origins of the 16-cylinder engine go far back as 1927 with Howard Marmon and “Marmon” motorcars that developed the world’s first 16-cylinder engine. Shortly thereafter, prestigious luxury brands such as “Cadillac” and “Peerless” – with the help of Marmon engineers, naturally - followed.
And in the last two decades, Cizeta Motorcars released the Cizeta-Moroder V16T which featured, as its name suggested, a 16-cylinder. But, unlike previous engines with such cylinder configurations, the Cizeta’s engine was technically not an authentic 16-cylinder. Instead, it was assembled with two Ferrari flat plane V8’s, mounted transversely, with the gearbox mounted between the two providing the vehicle’s longitudinal transmission layout.
And when Cizeta was developing the V16T, they hadn’t to worry about excessive over-heating as: A) it was an Italian company and thus expected, and, B) boasted a “mere” 560bhp.
With the Veyron, the plan had always been to create something with some 1000bhp and as a result, the development of this particular engine took engineers not only years to perfect, but a seemingly endless amount of cash.
It must be said, though, the end result truly is spectacular.
At the starting grid, engineers were faced with one ever-present problem: how to actually assemble such an engine. In the early 1930’s and 1940’s, Bugatti’s assembly of a 16-cylinder had been to essentially put two in-line 8-cylinder engines beside each other, but wanting to keep the engine compact, the current engineers knew this was not the solution.
When assembling the Veyron engine, Bugatti choose to merge two regular Volkswagen-sourced 8-cylinders to make one engine, and then add the daunting task of letting the two engines share the same crankshaft; a risky, but effective, gamble. The end result is not a "V16", but rather a "W16" And like Volkswagen’s W12, it’s amazingly compact. Measuring just 710 mm (27 inches) in length, 889 mm (35 inches) in width and 730 mm (28.7 inches) height, the Veyron’s engine is smaller than most conventional 12-Cylinders.
So, with the initial blueprints in place, it was time for Bugatti to actually look at the numerous ways in which they could achieve their target figure of “1000” horsepower. And actually, achieving such horsepower a figure wasn’t as hard as you might think. Aside from the obvious power boosters – displacement, variable valve timing, etc – Bugatti realized that the addition of forced induction was probably the most efficient way to produce power. So, that’s exactly what they did – they added a few turbochargers, but not jut two, oh no, four to be exact; all of which pound out 18 PSI and collectively work in constant rotation to avoid turbo lag.
Tidbit: the 1993 Bugatti EB110 also featured a total of 4 turbochargers, though connected to a conventional V12 rather than a high-tech 16-Cylinder.
Not surprisingly, one of the biggest issues with the preliminary project was cooling the engine. And as a result, the big Bugatti not only features a dry sump lubrication system based upon those seen in Formula One vehicles, but an elaborate internal oil path to ensure proper lubrication and cooling to all 16 cylinders. Additionally, the Veyron’s engine has 10 (yes, 10) different radiator systems: 3 for the engine cooling system; 1 heat exchanger for the air-to-liquid intercoolers; 2 for the air conditioning; 1 for the transmission oil; 1 for the differential oil; 1 conventional oil radiator and last, but certainly not least, a hydraulic oil radiator for the flashy retractable spoiler at the rear.
And when it’s all combined together, it makes for an engine character quite unlike anything else on four wheels. Its character, you ask? Well, it's reminiscent to a thundering fighter plane; it’s not peaky, nor zippy, it's just an atomic weapon of surging power.
It must be said, if the Starship Enterprise actually existed, this is what would power it.
Specifications:
7993cc (8.0 litres) 16 Cylinders, 90 degree
Aspiration: quad Turbocharged
Bore & Stroke: N/A
Compression Ratio: 9.0:1
DOHC, 4VPC (64 total valves), Variable Valve Timing
Redline: 6,500 revolutions per minute
987bhp (1001PS) @ 6,000 rpm; 922lb-ft (1250nm) of torque @ 2,220
123.7 bhp/litre
Verdict:
As for drawing a direct technological comparison between the two engines, I think I tip my hat to the Veyron's 16-cylinder, as it truly is one of kind. Just for the fact that there has never been an engine like it before, makes it a legend. In a project that started off completely beyond common-sense, Bugatti (or Volkswagen if you wish - ouch!) engineers have perfected something utterly ridiculous, but beautiful. They've created an engine with not just one, but four turbochargers, 16-cylinders and ultimately, something sporting some 1000 horsepower. It's an incredible feat.
Though in all fairness, the Porsche's 10-cylinder isn't - if at all - far behind. Because, sure, the Carrera GT's motor might not have the same amount of colossal power, but taken as a whole, it's most probably the closest thing to a racing engine ever offered in a road car. And that being said, I actually prefer the Porsche engine to the Bugatti's. It may not have 1000 horsepower, but surely 600 ponies are enough and with the addition of its racing character, it makes the Bugatti's engine look a little dull.
By Bruce McCulloch
With around 70 years of history behind Porsche at this point, choosing just five Porsche automobiles as the most beautiful of all isn't an easy task. Oh no, in fact it's downright daunting. This is one instance where one must take into account not only every little detail, but every little niggle and nanny in approaching a general design philosophy and theme which the company has stood behind for the better part of the last 7 decades.
The Porsche design element is one which is unmistakable - especially when it comes to the 911. Aside from what is referred to as "Hitler’s revenge" - the Beetle - the 911 is pretty much one of a kind. It's unmistakable, unique and ultimately, iconic. And that being said, many of the 911's design elements have insinuated themselves into almost every other vehicle which has rolled out of the iconic gates in Stuttgart. It's a trademark look which is hard to explain with words, but clearly evident when one looks at the Porsche line-up; many of the models not branded with the eminent "911" moniker still share a family trait (or two) in appearance which is not the least bit surprising.
Even Porsche's 605bhp "Carrera GT" flagship, shares what would appear to be the same styling manner which the company's 550 Spyder sported back in the late 50's. And now-a-days, both the Boxster and Cayman - even the Cayenne - seem to have a "Porsche vibe" to them. And this is obviously something Porsche as a company has strived to perfect with every passing year; with each and successive generation of Porsche automobiles, they have the utmost unique ability to make a design fresh and modern, while retaining the design values and design cues which have made the company so successful.
And suffice to say, it's something that makes Porsche, well, Porsche. One doesn't buy a Porsche hoping it’ll look like a Ferrari, one buys a Porsche knowing they are getting a vehicle which embodies every stylistic detailing element the company has ever penned. It's a design spirit which stands alone among modern cars, and in this day and age, truly one of a kind.
Mind you, such a design philosophy is often under criticism as some enthusiasts complain that is exactly what is wrong with Porsche; that they all look too similar, that they’re bland and boring to gaze upon. Not surprisingly, I strongly disagree with such.
In any event, with output that is approaching nearly 100 different automobiles from this great company, which five are deserving of such a “best of” title? Well, here's what I think - chronologically ordered:
904 Carrera GTS (1964)

For a car which debuted in 1964 as a sports-car endurance racer, the 904 looks every bit as fresh today as it did the day it was released. It is a gob-smackingly good looking car. Unfortunately, information relating to its design is quite rare, but I think the picture speaks for it’s self.
930 Slant-Nose (1987)

Though up until the early 80's the 911 had been viewed as the cute and quirky sports car with circular headlamps, the flachbau - or "Slant-Nose" as we know it - shows that little work was required to turn the 911 into something truly more aggressive. Commissioned in 1981 by Rolf Sprenger and ordered through the specialist individual "“Porsche Exclusiv Programme”, the Slant-Nose is undoubtedly one of the most interesting vehicles to ever roll out of Stuttgart.
With a body inspired by that of the 1976 "935" racer, the Flat-Nose looks every bit the race car with its hard-edged, flat bumper bonnet design, and with the addition of what was then new sporty "air vents", "rear spoiler" and "integrated driving lamps”, it's little wonder why the Slat-Nose makes it on this list. Suffice to say, there ain't a 911 like it anywhere.
993 Turbo - (1997)

Though the 930 and 964 generations of the 911 were some of the most iconic styles of all time, the 993 - particularly the Turbo version - marks what is arguably the best looking 911 ever designed. It's a design that even after 10 years since it's release, has been able to withstand the test of time; even today, it looks fresh, modern and ultimately, Porsche-like. And as far as I'm concerned, the 993's Turbo's design is so spectacular, that it's not only one of the best-looking Porsches ever assembled, but one of the best designs anywhere. With a front end suggesting a 911 design evolution, a slightly quirky silhouette and a rear end with accentuated fenders, a large body-attached spoiler and a distinctive light bar, the 993 Turbo is the most exceptional version of one of the world's most iconic vehicles.
993 GT1 "Strasseversion” (1996)

It's not often that I get worked up about a homologation special, but the 933 GT1 is the perfect example of road vehicle finely blended with a racing car. It's unquestionably from the 911 family, but makes the transition in a manner which is completely unique. Sure, being insanely long and wide, and having no rear window, it might be absolutely absurd to drive it on the road, but hell, I wouldn't mind. It's an angry and bulked-up 911 on steroids, and it's just great.
Carrera GT - (2004)

It's largely accepted that most supercars of this sort have designs which are often compromised for aerodynamic efficiency. And with vehicles such as the Ferrari Enzo running around, how could one argue? The Enzo is a vast, almost tortured array of Formula One-inspired hard edges - all for the sake of keeping the car aerodynamically efficient. The Carrera GT though, is very much a different story; rather being an edgy and hard-to-digest shape, it's clean and undoubtedly Porsche. And there are no compromises about it - the Carrera GT looks 100% Porsche. It's aerodynamically efficient, without alienating any of the company's classical design traits. From it's smoothly and fastidiously styled front end, to it's rear-end profile boasting a carbon fibre undertray, a retractable wing and an exquisite set of mesh engine grills setting above the 10-Cylinder motor, this exclusive flagship supercar is styled like few other comparable cars. It manages to look all-racy, without being the least bit boy-racer or over-the-top.
The design detailing of the Carrera GT is also particularly interesting because it showcases a number of styling elements found in the company's past; one of the most evident examples being the brake cooling slots behind that of the front wheels which are near identical to those seen on the 993 GT1 which I previously spoke of.
So, there you have it – the Fabulous Five.
As if recent news of the Pagani Zonda F Clubsport completing the Nürburgring Nordschliefe in 7:27.82 (see here) wasn’t enough of a shock, earlier today German publication “Sport Auto” announced that in their monthly “Supertest” the recently released 530bhp Porsche 911 GT2 has completed the Nordschliefe in 7 minutes, 33 seconds.
Such a figure indicates a new echelon in Porsche 911 history. Not only does this particular lap time match what Sport Auto driver Horst Von Saumra was able to do in the Pagani Zonda F, but it’s just a tad whisker – 1 second, actually - behind that of the Porsche Carrera GT which completed the Nordschliefe in 7:32.44 back in early 2005. Thus also means the RWD 911 flagship out performs other such supercars as the 806bhp Koenigsegg CCR, the 640bhp Lamborghini Murcielago LP640 - let alone its normal competition such as the Lamborghini Gallardo Superleggera and Chevrolet Corvette C6 Z06. In short, thanks to regular testing at the ‘Ring and Porsche’s great attention to engineering detail, the heavier and much less powerful 911 has been able to annihilate most every car that has previously run in the Supertest – regardless of the power, weight and/or price.

And of course, the new GT2 was able to erase the previous fastest 911 lap time of 7:46 - set in 2002 – with the 996-generation of the GT2
Additionally, Sport Auto’s Supertest revealed the GT2’s amazing cornering abilities as it peaked at 1.35G’s through the corners, and more or less made runny eggs of the both the Porsche Carrera GT and Pagani Zonda F throughout both the 18 and 36 metre slalom course. And as per usual, the frenetic 911 did not fail to shock when it came to straight line performance, hitting 200 km/h (124 mph) in just 11.5 seconds and hitting an indicated 293 km/h (182 mph) on the Dottinger Hohe straight line of the ‘Ring; just 1 km/h (.62 mph) short of the Carrera GT and some 12 km/h (7 mph) faster than the Zonda F.
Suffice to say, Porsche engineers deserve mad props. With each and every successive generation of the 911, just when you think they’ve hit the peak, they manage to out-do themselves.