2026 Chevrolet Silverado 1500 (light-duty pickup) โ they vary by engine, trim, and drivetrain:
๐น Standard Gas & 2.7 L Turbo I-4 (most trims)
2-Wheel Drive (2WD):
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City: ~18 mpg
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Highway: ~21 mpg
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Combined: ~19 mpg
Four-Wheel Drive (4WD):
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City: ~17 mpg
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Highway: ~20 mpg
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Combined: ~18 mpg
๐น Trail Boss / Off-Road Configurations
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Custom Trail Boss (4WD): ~16 city / 17 hwy mpg
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LT Trail Boss (4WD): ~17 city / 20 hwy mpg
๐น Higher-Trim Gas Engines (V8)
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LTZ (2WD): ~16 city / 21 hwy mpg
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LTZ (4WD): ~16 city / 19 hwy mpg
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High Country (2WD): ~16 city / 21 hwy mpg
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High Country (4WD): ~16 city / 19 hwy mpg
๐น Performance / Special (ZR2)
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ZR2 (4WD): ~20 mpg city / 23 mpg highway โ diesel option on this trim yields best overall mpg of ~21 combined.
๐ What This Means
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The most common Silverado configurations with the 2.7-liter turbo engine get ~18โ21 mpg on the highway and ~17โ18 mpg in city driving for 4WD models, with slightly higher numbers in 2WD.
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Higher-trim V8 versions (like LTZ or High Country) trade efficiency for power โ highway can still reach ~21 mpg, but city stays in the mid-teens.
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The ZR2 with the diesel powertrain is one of the most efficient Silverado 1500 configurations, returning ~20/23 mpg city/highway.
๐ Quick Fuel Economy Summary
| Trim / Config | City MPG | Highway MPG |
|---|---|---|
| WT, 2WD | ~18 | ~21 |
| WT, 4WD | ~17 | ~20 |
| Custom Trail Boss | ~16 | ~17 |
| LT / RST 2WD | ~18 | ~21 |
| LT / RST 4WD | ~17 | ~20 |
| LTZ / High Country 2WD | ~16 | ~21 |
| LTZ / High Country 4WD | ~16 | ~19 |
| ZR2 Diesel 4WD | ~20 | ~23 |
(City/highway mpg values are EPA estimates and can vary based on cab size, bed length, tires, and equipment. Real-world results often differ due to load, driving style, and terrain.)
If youโd like, I can also give you estimated driving range per tank for these mpg numbers based on the Silveradoโs fuel tank capacity!




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