Optimal low RPM valve timing lift and duration settings would result in insufficient filling of
the cylinder with fuel and air at high RPM, thus greatly limiting engine power output.
Engine: supercharged 158 - horsepower OHC in - line four -
cylinder with fuel injection - Transmission: five - speed manual
Engine: supercharged 158 - horsepower OHC in - line four -
cylinder with fuel injection - Transmission: five - speed manual - Suspension, front, independent MacPherson struts, lower wishbones, coil springs, stabilizer bar; rear, independent torsion beam axle with track correcting bushings, shocks and coil springs - Brakes: four - wheel power disc - Performance: 0 - 60 mph, 7.5 seconds - Weight: 2,660 pounds - Base price: $ 17,900
Not exact matches
The four -
cylinder version is a possibility for us, but if you could combine the better
fuel economy
with the * use in a pinch * jump seat, we would have found the perfect car for us.
By altering the exhaust level as the car runs, the
cylinders supply themselves
with just the right amount of
fuel and air they need at any one time — as befits a pair of mechanical lungs.
Envirofit's fix replaces the engine's carburetor, which mixes the air and
fuel before they enter the combustion chamber,
with a direct in -
cylinder fuel - injection system.
This is what my math thinking says about, what i think it would happen in this context of: two
cylinder engine versus half of the same engine, along
with the Same
Fuel System that did not change at all (Same
Fuel System that's composed by two metabolic engines — aerobic and anaerobic).
The economical four -
cylinder, Euro 5 emissions compliant turbo diesel engine produces enough power to propel the bus at freeway speeds, and
with a 100 - litre
fuel tank has a huge operating range between refills.
We'd hope to attract them
with the great looks of the car, a new high - technology direct - injection six -
cylinder engine, good
fuel economy, all the standard equipment, and higher technology features.»
The A8 hybrid is expected to return the equivalent of 37 mpg; Audi says the car marries V - 6 performance
with four -
cylinder fuel consumption.
The 2010 GTI goes on sale in the United States this October, along
with the 170 - hp, gasoline -
fueled five -
cylinder Golf.
The engine was designed from the ground up
with cylinder deactivation and integrated stop / start tech to help save
fuel.
Limited, handbuilt production began in 1968 and engine choices would include a series of gas and diesel four -
cylinders, some
with dual overhead cams and
fuel injection — heady stuff for the time.
Powertrain choices remain the same — a 2.5 - liter four -
cylinder or a 3.5 - liter V - 6
with a six - speed automatic, and a 2.5 - liter Hybrid Synergy Drive system
with a CVT — but we wouldn't be surprised to see a slight
fuel economy bump over the current Camry's 25/35 mpg (city / highway) ratings
with the four -
cylinder and 21/31 mpg ratings
with the V - 6.
BMW already has its 7 - series
with a gas -
fueled twin - turbo six -
cylinder that is rated at 17 mpg in the city and 25 mpg on the highway.
Mix that
with the excellent
fuel economy (19/26 mpg EPA city / highway versus the six -
cylinder gasoline version's 15/21 mpg and the V - 8 edition's 14/19 mpg), and you've easily got yourself the best X5 powertrain on the market today, as I expressed after driving a similar X5 35d last summer.
To accomplish that, Nissan has upped the Altima's game
with considerably better
fuel economy (the four -
cylinder jumps to 27/38 mpg, a claimed best - in - class); a roomier, more comfortable interior (particularly the front seats); and a chassis that is athletic for this class.
Variable
Cylinder Management, now standard across the board, is capable of turning the six - cylinder into either a four - or three - cylinder engine during low - load cruising, and with the Touring models» six - speed automatic (a five - speed is standard on other trim levels), the Odyssey returns the best EPA fuel economy at 19/28 mpg city /
Cylinder Management, now standard across the board, is capable of turning the six -
cylinder into either a four - or three - cylinder engine during low - load cruising, and with the Touring models» six - speed automatic (a five - speed is standard on other trim levels), the Odyssey returns the best EPA fuel economy at 19/28 mpg city /
cylinder into either a four - or three -
cylinder engine during low - load cruising, and with the Touring models» six - speed automatic (a five - speed is standard on other trim levels), the Odyssey returns the best EPA fuel economy at 19/28 mpg city /
cylinder engine during low - load cruising, and
with the Touring models» six - speed automatic (a five - speed is standard on other trim levels), the Odyssey returns the best EPA
fuel economy at 19/28 mpg city / highway.
The 2.8 - liter turbodiesel truck engine sports an iron
cylinder block
with an aluminum dual - overhead cam head, forged steel crankshaft and connecting rods, a common rail direct injection
fuel system, and a balance shaft to run the oil pump and increase smoothness.
Cylinder deactivation and engine start / stop technologies help bring EPA combined
fuel economy ratings up to 24 mpg for both sedans (22 mpg
with all - wheel drive), an improvement of 2 mpg in rear - wheel - drive models and 1 mpg in all - wheel - drive models.
This all - new four -
cylinder engine runs smooth thanks to internal balance shafts to counteract vibration, combines power
with good
fuel efficiency thanks to variable valve timing / lift and direct
fuel injection, and operates
with an easy, free - revving liveliness thanks to careful detailing to reduce friction and because, well, that's just the Honda way.
The engine has the same measurements as the previous Versa's 1.6 - liter, but Nissan says it's new, and the mill utilizes variable valve timing on both intake and exhaust cycles and squirts
fuel via two injectors per
cylinder (not to be confused
with direct injection, mind you).
The smallest utility vehicle on this list, Fiat's iconic Italian crossover features a 184 - horsepower / 2.4 - liter four -
cylinder engine paired
with a nine - speed automatic transmission, and an available all - wheel - drive system
with a disconnecting rear axle for improved
fuel efficiency.
Acura's last RDX was ahead of the game
with its turbo four -
cylinder, but not only did it deliver a somewhat herky - jerky driving experience, its
fuel economy was below what many V - 6s returned.
Today's crossovers have the roominess of large SUVs
with the
fuel - efficiency of small 4 -
cylinder economy cars.
I wonder if the
cylinder head where hemispherical, it might change the air /
fuel swirl and be able to mix in
with all the available space and air.
V - 8 performance
with four -
cylinder fuel efficiency The RLX Sport Hybrid SH - AWD throws out the conventional driveshaft of the TL SH - AWD and instead uses two electric motors that torque - vector the rear wheels and provide gas - free power up to 50 mph.
Flex -
fuel 315 - hp (gas) or 326 - hp (E85), 5.3 - liter V - 8
with aluminum block and
cylinder heads, cam - in - block, two valves per
cylinder and 335 pounds - feet of torque (gas), 348 pounds - feet of torque (E85)
With this new small - displacement turbocharged four -
cylinder, the Accord should see significant improvements in performance and
fuel economy compared to the outgoing 2.4 - liter naturally aspirated four - banger, which made 185 hp and 181 lb - ft of torque.
After all, our V60 is equipped
with a
fuel - efficient, turbocharged 2.0 - liter four -
cylinder engine, not the optional turbo inline five -
cylinder or the optional turbo inline six -
cylinder.
The RDX is powered by a standard 279 - horsepower, 3.5 - liter V - 6 engine
with fuel - saving
cylinder deactivation and a six - speed automatic transmission
with shift paddles.
While most other auto makers have moved on to more sophisticated overhead - cam architectures,
with the exception of Chrysler's Hemi V - 8, Damico says the OHV design offers some key advantages, such as the ability to integrate
fuel - saving
cylinder deactivation
with little extra cost.
That is, the package uses a 2.4 - liter four -
cylinder paired
with a small, belt - driven motor / generator to help raise
fuel economy.
Flex -
fuel 403 - hp, 6.2 - liter V - 8
with aluminum block and
cylinder heads, cam - in - block and two valves per
cylinder that makes 417 pounds - feet of torque
The 2016 Hyundai Sonata Hybrid boasts an eye - catching design and a 2.4 - liter four -
cylinder engine combined
with an electric motor mated to a six - speed automatic transmission to promise 202 net horsepower and outstanding
fuel efficiency.
Save for some mild tweaks for the sake of
fuel economy, the 2.5 - liter, 170 - hp four -
cylinder shared
with the Altima is essentially carryover, as is Nissan's ubiquitous CVT.
The 2016 Hyundai Elantra small sedan boasts an eye - catching design and is powered by a 145 - horsepower, 1.8 - liter four -
cylinder engine that promises
fuel efficiency of 27 mpg city, 37 mpg highway, 31.7 mpg combined when equipped
with manual transmission.
Acura claims V - 8 performance
with four -
cylinder fuel - efficiency, and indeed, the engine - motor combo produces 377 horsepower and 377 lb - ft,
with EPA ratings of 28 mpg in city driving, 32 mpg on the highway, and 30 mpg combined.
Images of a purported Lexus RC - F have appeared online, a coupe
with similar styling cues to the IS - F (right down to the quad exhaust tailpipes) as well as a more powerful 5 - litre V8,
with a 455bhp output and increased
fuel economy thanks to
cylinder deactivation.
Late last year, we learned the 2018 Jeep Wrangler JL's
fuel economy ratings
with the V - 6, but we didn't have official mpgs for the new turbocharged 2.0 - liter four -
cylinder until now.
The V8 itself is a new - generation 32 - valve «hot - vee» unit,
with VAG's complete arsenal of
fuel saving tech like
cylinder deactivation and pre-emptive start stop.
The outgoing four -
cylinder Altima already beat all comers in non-hybrid highway
fuel economy
with its 38 mpg rating (save for the Mazda6
with its optional i - ELOOP regenerative technology).
It would also have to improve
fuel economy — think
cylinder deactivation and a transmission
with more than six speeds — so as not to adversely impact the company's CAFE standing.
With one fewer
cylinder to feed, it's not surprising that the new Cooper easily tops its predecessor's
fuel - economy ratings — by a lot.
Compared
with the last - gen TT RS, the 2.5 - liter turbo five in the new - for - 2018 model breathes better (thanks to new
cylinder head
with variable valve lift and duration timing on the exhaust cam), weighs nearly 60 pounds less (an aluminum block, magnesium upper sump, and other fat - reducing measures), and makes considerably more power, the byproduct of new port
fuel injection and an increase in boost pressure from 18.1 to 19.6 psi.
As much as we were impressed
with its acceleration, we also marveled at how often the V - 8 kicked into its
fuel - saving four -
cylinder mode.
Americans are buying CUVs — crossover / utility vehicles — not SUVs, and even when equipped
with all - wheel drive, the dip in
fuel economy compared to that of four -
cylinder sedans isn't too dramatic.
New
cylinder heads
with modified combustion chambers, new
fuel injectors, new spark plugs, and new forged - steel connecting rods are features that help account for the power boost.
But its lackluster powertrain options — a 1.4 - liter, turbocharged four -
cylinder with a six - speed manual and a 2.4 - liter four -
cylinder with a nine - speed automatic — aren't refined and provide middling
fuel - economy numbers.
Otherwise, if I'm buying an Altima for innocuous, comfortable commutes, why wouldn't I go for the four -
cylinder,
with its significant bump in
fuel efficiency?»