Different automakers have taken quite a lot of paths to the identical objective. Ford launched a light-weight aluminum-bodied F-one hundred fifty with out there turbocharged EcoBoost V6s. Ram is providing premium cabins and a forty eight-volt system on its entry-degree V6-powered 1500 fashions with a view to eek out each final little bit of effectivity. Chevy is someplace within the center, each when it comes to powertrains and metallurgy.
We have pushed the brand new 2019 Silverado a number of occasions by now — together with some early prototypes — we have but to pattern a totally-baked model with the all-new 2.7-liter turbocharged inline-4. It is the one full-size truck out there with a 4-cylinder engine, although the associated GMC Sierra will quickly comply with Chevy’s lead, and we cannot be stunned if it exhibits up within the Colorado someday down the road. For now, the brand new engine is simply obtainable within the quantity consumer LT and RST Silverados, changing the four.three-liter V6. The V6 is now relegated to the low-grade WT and Customized trims.
Within the desert driving the @chevrolet Silverado with the 2.7L turbo inline-4. @therealautoblog pic.twitter.com/gcsAW9mUv5
— Reese Counts (@rmcounts) November thirteen, 2018
The lengthy-stroke inline-4 makes 310 horsepower and 348 pound-ft of torque, 25 horsepower and forty three pound-ft greater than the V6. Peak torque is accessible from 1,500 to four,000 rpm. In contrast to the V6, the two.7 is paired with an eight-velocity automated. Like-for-like, a 2019 Silverado with the all-aluminum 2.7-liter weighs 380 kilos lower than a 2018 V6-outfitted mannequin, serving to each dealing with and fuel financial system. With the additional grunt and lowered weight from the two.7-liter, the 2019 Silverado hits 60 mph in underneath seven seconds, greater than half a second faster than the previous V6 and almost as fast because the 5.three-liter V8.
The engine employs some neat tech, too, together with GM’s first use of cylinder deactivation on a 4-cylinder mannequin. Beneath sure circumstances, the two.7-liter can run on simply two cylinders. Different tech consists of variable-valve timing, an electric water pump to scale back parasitic losses, and a twin-volute turbocharger – which is fairly trick. Principally, the turbo housing has two exhaust inlets and two nozzles to drive the turbine. This enables the turbo to spool up faster, enhancing response and decreasing lag. It is kind of like a twin-scroll turbo, however the inlets go to reverse sides of the impeller wheel. This balances out the exhaust pulses. The turbo additionally makes use of an electric wastegate that may open when cruising to scale back strain and enhance fuel financial system.
Gasoline financial system for the 2019 Silverado varies closely relying on engine, transmission and drivetrain – and complicating issues, the ratings for the V6 have not been launched. Two-wheel drive 2.7-liter fashions are rated at 20 metropolis, 23 freeway and 21 mixed. That is an enchancment within the metropolis over a 2018 V6-powered truck, however a 1 mpg drop in freeway fuel financial system. 4-wheel drive knocks the two.7-liter truck’s score by 1 mpg throughout the board. For comparability, trucks with the 5.three-liter V8 with the eight-velocity and cylinder deactivation are rated at 17 metropolis, 24 freeway and 19 mixed. The standard 5.three-liter with a six-velocity auto is rated at 15 metropolis, 21 freeway and 17 mixed.
A Ford F-one hundred fifty with the three.three-liter V6 is rated at 19 metropolis, 25 freeway and 22 mixed, beating the Chevy’s freeway score considerably. The identical is true for the V6-powered Ram 1500. That truck is rated 20 metropolis, 25 freeway and 22 mixed. All three trucks have or could have torquey, fuel-environment friendly diesel engines within the close to future, although Ford is the one one with one obtainable for the 2019 mannequin yr.
On the street, the two.7-liter is a lot punchy. From idle, there’s subsequent to no turbo lag and revs construct easily and shortly, regardless of the lengthy, diesel-like stroke. The response and refinement feels even higher than GM’s 2.zero-liter turbocharged inline-4 present in lots of its automobiles and crossovers. It isn’t fairly as linear and even in its energy supply because the naturally-aspirated V6 or both of the Silverado’s V8’s, however the fast hit of torque helps make up for it. Shifts from the eight-velocity are smoother and extra refined than the 6-velocity auto paired to the V6, although the gearing appears to have harm freeway mileage.
On the street, the Silverado 2.7 is quiet and cozy. Cruising alongside Arizona highways, the truck’s improved refinement was instantly evident. Until you laid on the fuel, the engine receded to the background. At full bore, the exhaust word was surprisingly beefy, although it isn’t half as candy because the sound of both of the Silverado’s V8s. And that, I think greater than anything, would be the 2.7-liter’s largest hurdle.
Chevy introduced alongside a three.three-liter V6-powered Ford F-one hundred fifty and three.6-liter V6 Ram 1500 for comparability. Whereas the Ram comparability matches, evaluating Chevy’s 2.7-liter I4 to Ford’s three.three-liter V6 feels a bit disingenuous when it comes to quantity of gross sales. In relation to quantity consumer gross sales, probably the most direct competitor is the two.7-liter EcoBoost V6. That engine makes barely extra energy (325 horsepower and four hundred pound-ft) and, with a score of 20 metropolis and 26 freeway, is extra fuel environment friendly on paper than Chevy’s 2.7-liter.
Numbers aren’t the whole lot. Considerably surprisingly, Chevy’s engine feels smoother than each Ram’s V6 and Ford’s three.three-liter V6, although Ford’s EcoBoost is the best of the bunch. Chalk the Ram’s weak displaying as much as poor transmission tuning, odd because the forty eight-volt system is meant to assist clean out shifts.
On the Silverado LT or RST, the 5.three-liter V8 is a $1,395 choice, a comparatively small up-cost whenever you’re speaking about transaction costs round $forty five,000. Energy with the 5.three-liter V8 is as much as 355 horsepower and 383 pound-ft of torque. Regardless of the V8’s added weight, max towing and payload capability are up, too. Unsurprisingly, the most important disadvantage to the V8 is poor fuel financial system, although with cylinder deactivation it truly will get higher freeway mileage.
A base, two-wheel drive double cab brief-mattress Silverado LT with the two.7-liter engine begins at simply over $38,000 — there is no regular cab out there on the LT. A equally outfitted Ford F-one hundred fifty XLT with the two.7-liter EcoBoost is $39,560 whereas a Ram 1500 Massive Horn will set you again $37,590. Commonplace gear on a Silverado LT consists of an eight-inch infotainment display with Apple CarPlay and Android Auto, push-button begin, automated local weather management and LED headlights.
The brand new 2.7-liter within the Chevy is a powerful engine, and positively an enchancment over the four.three-liter V6. It is clean, highly effective and usually quiet. Payload and towing are each up because of the additional energy and lowered weight. Gasoline effectivity is sweet, too, although Ford and Ram have considerably higher freeway ratings. Regardless of the advantages, can full-size truck consumers actually stay with a 4-cylinder engine? If you would like the area of a full-size truck for driving round city however need not tow a trailer or pack on a lot of freeway miles, positive. If you need huge energy or a freeway cruiser, it is best to look elsewhere or watch for the upcoming three.zero-liter diesel.
– 2019 Chevy Silverado 2.7L Four-Cylinder First Drive Review –
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