As for new offerings from Porsche, something based-on-but-smaller-than the Boxster (built on a VW platform, possibly with an inline-four engine), will come in the next year or two.
FORBES: Porsche Plans Small 'Cajun' SUV, New Sports Car Under Boxster
The company announced at the Los Angeles Auto Show that the U.S. version of its Mazda 6 midsize sedan, which got a major redesign for the 2014 model year, will offer a new four-cylinder diesel engine, in addition to a conventional four-cylinder gasoline engine.
FORBES: Mazda Bets Big On Diesel With The All-New 2014 Mazda 6
The main workhorse of the allied air campaign against Germany was the Lancaster four-engine bomber.
FORBES: Making Room for the Unseen in Tackling Complex Problems
By meeting a useful man in 1941, he learned from scratch to fly four-engine aircraft.
With four new engine choices, the new pickups will get up to 20 percent better gas mileage than the 2010 models, Ford says.
The four-engine C-17 jet can land on a runway only 3, 000 feet long and 90 feet wide, according to a document from the Department of Defense.
The four-engine jet left RAF Brize Norton in Oxfordshire on Sunday, but was grounded at the Evreux-Fauville airbase until Tuesday to allow the "minor technical fault" to be fixed.
The four-engine Yun-20, or Transport-20, is a huge, multi-function airfreighter that can perform various long distance air transport tasks targeting cargo and passengers, the state-run Xinhua News Agency said.
Next year Ford will offer a new Focus compact car in Europe, with a one-litre, three-cylinder engine that performs as well as the 1.6 litre, four-cylinder engine it replaces, yet uses about 20% less fuel.
When powered by gasoline, the C-MAX Energi uses the all-new 2.0-liter Atkinson-cycle four-cylinder engine - powerful and fuel efficient and among the most advanced non-turbocharged four-cylinder powertrains Ford has ever offered.
ENGADGET: Ford's 2013 C-Max Energi rolls out 95 MPGe, arrives later this fall
The car has a 1.8-liter four-cylinder engine with a 6-speed automatic transmission and front-wheel drive.
Which is why the base Jaguar XF now comes powered by a seemingly modest 2.0-liter four-cylinder engine.
So engineers made upscale features like charcoal-black leather seats and chrome wheels available even with the smallest four-cylinder engine.
The BR500's four-stroke engine is five times cleaner than the standard two-stroke models.
At 184 horsepower, the base, four-cylinder engine is slightly less powerful than the 2001 Cherokee's base V6, but it's much more efficient.
Volkswagen has to make sure the four-cylinder engine in the Jetta and Audi A4 doesn't outperform the six-cylinder in the Passat and Audi A6.
Essentially leveraged as a form of high-tech turbocharging, here a small electric motor gives a modest fuel-free power boost to a direct-fuel-injected 2.4-liter four-cylinder engine.
Heavily automated, it can build a four-cylinder engine in less than the 1.82 worker hours it takes at Toyota's best engine factory in West Virginia.
The ELR will run on an electric propulsion system made of a T-shaped lithium ion battery, an electric drive unit and a four-cylinder engine generator.
The 2014 Jeep Cherokee will also be up to 45 percent more fuel efficient when equipped with a standard four-cylinder engine, which puts out 184 horsepower.
FORBES: The 2014 Jeep Cherokee Is A Glutton For Punishment In More Ways Than One
Coming in three trim levels, all models come powered by a peppy 180-horsepower 2.4-liter four-cylinder engine that drives the front wheels via a six-speed automatic transmission.
All are equipped with seven standard airbags and an innovative four-cylinder engine that produces 101hp and gets 38mpg on the highway while cutting CO2 emissions by 10%.
The most efficient Cruze model, the Eco, uses a 138-horsepower, turbocharged, four-cylinder engine and a manual, six-speed transmission to achieve an EPA rating of 28 mpg city, 42 highway.
We were admittedly skeptical when we learned that, for the 2013 model year, Jaguar would be making a four-cylinder engine standard in its otherwise large and posh XF sports sedan.
For the Ford F-150, the most popular vehicle on American roads, they take out the inevitable V-8, and replace it with a four-cylinder engine, an average of 22-kilowatt-hour battery packs, and two 60-kilowatt electric motors.
Heavily automated, it can build a four-cylinder engine in less than the 1.82 worker hours it takes at Toyota (nyse: TM - news - people )'s best engine factory in West Virginia.
The Gran Turismo should get about what a standard 3-series gets: up to 36 mpg on the highway with a manual transmission and a four-cylinder engine and 33 mpg on the highway with the six cylinder motor and automatic transmission.
Like the unique mid-engine four-wheel drive Baja Boot that Vic Hickey built in the 30 days prior to the inaugural NORRA Mexican 1000 in 1967, the SRI EV1 will become living proof that innovation with an eye toward the future is a powerful concept that may never become obsolete.
ENGADGET: SRI EV1 brings all-electric racing to the Mexican 1000 rally (video)
Personally, I have my eye on an even smaller jet, the rumored single-engine, four-seat pocket-rocket from Cirrus Design. (If the one engine fails, pull a lever and a parachute will float you and the plane to a soft landing.) One of the two brothers who founded Cirrus told me the Cirrus jet would go 300 knots, or 345 miles per hour.
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