GM recently announced the new 3.0-litre Duramax I6 turbo-diesel engine which has more power and torque. It goes in their 2023 Chevy Silverado 1500 trucks (among others). Now we have fuel economy estimates from the EPA. Turns out you can have more horsepower and better MPG at the same time. Looked!
2023 Chevy Silverado
The newest (code: “LZ0”) 3.0L turbodiesel inline-six is now rated at 305 horsepower and 495 lb-ft of torque. The engine is mated to a 10-speed automatic transmission. The EPA has released the efficiency rating of the 2023 Silverado 1500 Diesel 2WD at 24 MPG city / 29 MPG highway / 26 MPG combined. While the combined 26 MPG is the same as the previous model, the new engine is slightly more efficient in the city and LESS efficient on the highway – according to the EPA. We’ll have to wait to test the new engine in the real world. Our experience suggests this diesel can be even more efficient on our test driving loops than the EPA figures.
Here’s how the 2023 vs 2022 Silverado 4WD compares. The 4WD model actually gets an MPG improvement to 24 MPG combined / 22 MPG city / 27 MPG highway.
Since the price of diesel fuel is still high in most parts of the United States, these slightly better efficiency ratings are a very welcome sign. We can’t wait to get behind the wheel of these new 2023 trucks to experience the improved power as well.
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