Its 368 kW (500 hp, 911 R: Combined fuel consumption 13.3 l / 100 km; CO2 emissions: 308 g / km) four - litre naturally
aspirated flat engine and six - speed manual sports transmission places the 911 R firmly in the tradition of its historic role model: a road - homologated racing car from 1967.
Not exact matches
Normally -
aspirated and turbocharged versions of its
flat - 12
engine were tested and the car spent a huge amount of time in the windtunnel, which meant no fewer than five different body styles were tried on it.
That's a horsepower increase of 35 over the old naturally
aspirated 2.7 - and 3.4 - liter
flat - sixes, with the Boxster making an additional 74 lb - ft and the S 43 lb - ft compared to the outgoing
engines.
Sadly, the 992 GT3 is expected to lose its intoxicating naturally
aspirated 4.0 - liter
engine in favor of a twin - turbo 3.8 - liter
flat six.
All three cars have their roofs stowed, opening our ears to the full effect of their
engines — the breathy whoosh of the Porsche's
flat - six, the crooning beat of the Jaguar's supercharged V8 and, transcending them both, the hard, hammery note of the Aston Martin's naturally
aspirated V8.
The model has a 4.0 - liter
flat - six naturally
aspirated engine with direct injection and variable valve timing.
Marino concludes that these technological advancements benefit the driving experience; while the high - revving 3.8 - litre naturally
aspirated flat - six
engine doesn't hurt either.
That same platform underpins the new SCR 2018, but rather than a heavily turbocharged
engine in the back, it has a naturally
aspirated 4 - litre
flat - six in its place.
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Engine and transmission - None of the character of a naturally
aspirated Porsche
flat - six is here, but the turbo
engines are impressive none the less.
Now coming under the 718 moniker, that it shares with the Boxster, both the Cayman and Cayman S have relinquished their lovely naturally
aspirated flat sixes for a pair of turbocharged
flat - 4
engines with 2 - and 2.5 - litre capacities, respectively.
The
engine is the glorious 4 - litre, naturally
aspirated flat - six, lifted straight from the 991 GT3 RS.
Porsche's Motorsport division has reengineered the normally -
aspirated flat - six
engine, the chassis and the aerodynamics, and for the first time the car is available with a choice of transmissions.
When it became official that the new Porsche 718 Boxster and Cayman were switching from naturally
aspirated flat - six
engines to turbocharged
flat - fours, the chorus responded with the usual anxiety and avalanche of complaints.
The new Porsche 718 Cayman GT4 should retain its naturally
aspirated engine, so expect a version of the 4.0 - liter
flat - six found in the 911 GT3.
And, no, this naturally
aspirated, 390 - hp, 4.0 - liter
flat - six does not leak oil like every stock 964
engine Porsche ever built.
Like the non-R GT350, this Mustang is equipped with a naturally
aspirated 5.2 - litre V8 with a
flat - plane - crank; not the same
engine as the 5 - litre, cross-plane-crank V8 that you find in the standard Mustang.
STUTTGART, Germany — Porsche is replacing the naturally
aspirated flat - six in the 2017 911 Carrera and Carrera S with a brand - new, more efficient turbocharged
engine.
Instead, it has carefully developed its stellar, normally
aspirated flat six, because normally
aspirated engines are crisper, more responsive, and more precise, and people who love driving love driving them.
The GT3 RS's naturally
aspirated 4 - litre
flat - six is carried over from the previous - generation car (and the current GT3), with power increasing by 20bhp to 513bhp at 8450rpm (200rpm higher than its predecessor) and torque rising by 7 lb ft to 346 lb ft.. There's a new titanium exhaust with 91 mm diameter pipes, a revised intake system and a new
engine management system that account for the slightest of gains in the sprints (at 3.2 seconds it's a tenth quicker than the old car to 62mph) but will have a bigger impact on the car's as - yet - undisclosed Nürburgring lap time.
On the 911 GT3 RS, the same openings nourish the 8800 rpm naturally
aspirated flat - six
engine with much - needed oxygen.
A carbonfibre tub reinforced with an integrated roll cage provides the mounting point for front and rear subframes, and under the rear deck you'll find a naturally
aspirated 4 - litre
flat - six
engine that produces 503bhp.
Interestingly, Autocar also speculates that the Porsche 911 GT will use the naturally
aspirated 3.8 - liter
flat - six from the current Porsche 911 GT3, going against the 911 lineup's move towards turbocharged
engines that's scheduled for later this year.
The much - loved normally -
aspirated flat - sixes of old have been retired, replaced by downsized, turbocharged
engines in the pursuit of reduced emissions and improved fuel economy.
With an average improvement of around 5mpg over the previous naturally
aspirated flat - six Boxsters, it means that all this compromise when it comes to the
engine response and aural pleasure is largely pointless for buyers.
While none of the turbocharged
engines have quite the character of one of Porsche's naturally
aspirated flat - sixes, it's hard to argue with the figures they produce, particularly given the size and weight of the Macan (in Turbo guise it tips the scales at 2000 kg on the dot).
The
engine, which is being developed in conjunction with an unnamed partner, is a 90 - degree naturally -
aspirated 4.8 - litre V8 featuring a
flat - plane crank and developing 560bhp and 399lb - ft of torque.
As far as
engines are concerned, Subaru has confirmed two choices, a 152bhp naturally
aspirated 2 - litre
flat - four petrol
engine, and a smaller 112bhp 1.6.
The mechanicals are untouched, meaning a 197bhp
flat - four naturally
aspirated 2 - litre
engine and a 7.5 sec 0 - 60 time.
Only the most exotic
engines, such as Porsche's naturally
aspirated 4 - litre
flat - six, Ferrari's 6.3 - litre V12 and also the Lamborghini Aventador's V12 have old - school drama.
This is the last of the line in the normally
aspirated flat 6
engines.
The
flat 6 normally
aspirated engine in this generation 911 is 3800cc and produces 430bhp.
The Cayman GT4 Clubsport is expected to get its motivation from a naturally
aspirated 4.0 L
flat six - cylinder
engine that will also power the regular 718 Cayman GT4.
The 911 GT3's naturally -
aspirated 4.0 - litre version of Porsche's classic
flat six - cylinder
engine is known internally under the codename 9R1.5, and is related to the same - sized unit of the 911 R.
But it still gets the glorious 4.0 liter naturally -
aspirated flat six
engine, 500 hp and the GT3's brilliant suspension and steering.
The Cruze has already been using Opel's Delta II chassis platform since it first surfaced, but when we last tested the Cruze with its normally
aspirated 1.8 - litre
engine, it felt a little lacklustre and
flat, especially at Johannesburg altitude.
The 911 R is powered by the GT3 RS's
engine; that means a 4 - liter naturally -
aspirated flat - six - cylinder, producing just under 500hp.
Quite simply a stunning vehicle.The rest of the specification is also very comprehensive and includes Satellite Navigation, Cruise Control, Heated Seats, LED headlights including PDLS Porsche Dynamic Lighting System Reversing Camera and Parking Sensors front and rear, along with Privacy glass rear and Power Steering Plus.The
flat 6 normally
aspirated engine in this generation 911 is 3800cc and produces 430bhp.
The naturally
aspirated six - cylinder
flat engine with four - litre displacement is taken from racing cars such as the 911 RSR and 911 GT3 Cup.
The machine is the most powerful naturally
aspirated direct - injection
engine and has the greatest displacement that Porsche has ever developed for a six - cylinder
flat engine on the road.
The mid-engine roadster is armed with a new name and turbocharged four - cylinder
engines that phase out the naturally -
aspirated flat - six units.
The 991 GTS trim makes 450bhp in its standard guise from the rear - mounted
flat - six naturally
aspirated engine.
The 4.0 litre naturally -
aspirated flat - six
engine delivers 493bhp and 339lb / ft of torque, enough to propel the 911 R to 62mph in 3.8 seconds and on to 201mph.
Because the 718 Cayman / Boxster has lost two cylinders, going from a naturally
aspirated flat - 6
engine to a turbocharged
flat - 4
engine, the name is meant to evoke a racing series that was won by a light car that outmaneuvered the cars with more powerful
engines.
It is powered by a naturally
aspirated 385 - hp 3.8 L
flat - six
engine derived from the 911 Carrera S.
The GT4 also represents the last mid-
engine track focused car with a naturally
aspirated Flat - 6
engine coupled to a 6 - speed manual transmission, a combination that would disappear after the introduction of the turbocharged
Flat - 4 in the 718 Cayman.
The Cup gets a new look to reflect the 911 Carrera road car's (somewhat) new face, but it also gets a new
engine, a 4.0 - liter, naturally
aspirated flat - six.
First, the boast: Ford says the unique 5.2 - litre
flat - plane crankshaft V8 is the most powerful, normally
aspirated road - going
engine in Blue Oval history.
Another attribute that's familiar is the rumble of Subaru's
flat - 4
engines, again available in naturally
aspirated and turbo - charged forms.
This motor is a successor of naturally
aspirated flat - 4 boxer EJ253
engine.
Porsche did a good job with the Carrera's exhaust, hiding most of the boost noises, and the Macan V6 with its
flat - six impression, but nothing is quite like the true wail of a naturally
aspirated Boxer
engine.