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Revised Duramax 3.0L Diesel Debuts As New Ford 3.5L V6 PowerBoost Rival

Ford Motor Company and General Motors have gone head-to-head in the automotive market for the better part of the last century, and now, The General has detailed its latest Ford 3.5L V6 PowerBoost rival. As reported by our sister publication GM Authoritythe recently-announced 3.0L inline-six turbodiesel Duramax engine – production code LZ0 – will attempt to give The Blue Oval’s PowerBoost V6 offering a run for its money.

GM Duramax turbodiesel 3.0L I6 LZ0 engine

Set to launch in GM’s 2023 Silverado 1500 and 2023 Sierra 1500, the new GM 3.0L I6 LZ0 turbo-diesel Duramax motor takes the place of the Duramax 3.0L I6 LM2, which was offered from the 2019 thru the 2022 model years in these pickups. The new diesel engine is capable of producing 305 horsepower and 495 pound-feet of torque, which represents a 10 percent increase in power and a 7.6 percent increase in torque over its predecessor. It also features upgraded steel pistons and a revised combustion bowl, along with a revamped turbocharger compressor, redesigned fuel injectors along with improved temperature control. Comparatively, the Ford 3.5L V6 PowerBoost offers 430 horsepower and 570 pound-feet of torque in the 2021, 2022 and 2023 Ford F-150.

Full-Size Light Duty Pickup Truck Engine Comparison
GM Duramax LM2 GM Duramax LM2 GM Duramax LZ0 Ford Power Stroke Ram EcoDiesel Ford PowerBoost Toyota i-Force Max Ram Pentastar Ram Hemi
Vehicles 2021 Silverado 1500 2022 Silverado 1500 2023 Silverado 1500 2021 Ford F-150 2022 Ram 1500 2022 Ford F-150 2022 Toyota Tundra 2022 Ram 1500 2022 Ram 1500
Engine Type I6 I6 I6 V6 V6 Hybrid V6 Hybrid V6 eTorque mild hybrid V6 rTorque mild hybrid V8
Displacement 3.0L 3.0L 3.0L 3.0L 3.0L 3.5L 3.4L 3.6L 5.7L
Aspiration Turbocharged Turbocharged Turbocharged Turbocharged Turbocharged Twin-turbocharged Twin-turbocharged Naturally Aspirated Naturally Aspirated
Fuel Type Diesel Diesel Diesel Diesel Diesel Regular gasoline Regular gasoline Regular gasoline Midgrade
Horsepower (hp @ rpm) 277 @ 3,750 277 @ 3,750 305 @ TBA 250 @ 3,250 260 @ 3,600 430 @ 6,000 437 @ 5,200 305 @ 6,400 395 @ 5,600
Torque (lb-ft @ rpm) 460 @ 1,500 460 @ 1,500 495 @ TBA 440 @ 1,750 480 @ 1,600 570 @ 3,000 583 @ 2,400 269 @ 4,800 410 @ 3,950
City Fuel Economy RWD/4WD (mpg) 23/22 23/22 TBA -/20 23/21 25/23 20/19 20/19 18/18
Highway Fuel Economy RWD/4WD (mpg) 31/26 31/26 TBA -/27 33/29 25/23 24/22 25/24 23/22
Combined Fuel Economy RWD/4WD (mpg) 26/24 26/24 TBA -/23 26/24 25/23 22/20 22/21 20/19
Max Payload Capacity (pounds) 1,870 1,930 TBA 1,840 2,090 2,120 1,665 2,300 1,800
Max Towing Capacity (pounds) 9,500 13,300 TBA 12,100 10,010 12,700 11,450 6,640 12,750

A very direct rival from Ford to the GM’s new LZ0 Duramax engine would have been the Ford 3.0L Power Stroke diesel engine, code-named Lion. Alas, this motor was discontinued last year, so we’re going to consider the Ford 3.5L V6 PowerBoost engine – which mates Ford’s legendary 3.5L EcoBoost V6 to a hybrid system – as the closest competitor to GM’s new 3.0L baby Duramax engine. Given that the PowerBoost is more potent, both in terms of horsepower and torque, than the new Duramax, it would seem that the diesel in the F-150 was simply not all that attractive, if not unnecessary.

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Alexandra is a Colorado-based journalist with a passion for all things involving horsepower, be it automotive or equestrian.

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Comments

  1. Eric Ledger

    I think that power and torque of the powerboost disappears once you put a load behind it and certainly the mpg does to low single digits.
    Bring back the 3.0 Powerstroke Diesel.

    Reply
    1. JDE

      agreed. the Duramax did not address the Oil belt at the back of the engine as far as I can tell. that will be a bad deal over time like the sideways Mounted Ecoboost engines with the water pump location.

      Reply
  2. Ernie

    The reason the 3.0L Powerstroke didn’t do well it’s because no one wanted to pay a premium for an engine that was no better than the naturally aspirated base V-6 and the costs associated with maintaining it.

    Reply

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