# Oil Companies Will Love That The 2027 Chevrolet Silverado's New V8s Get Worse Gas Mileage Than The Old Ones

> **Open Intelligence Dossier** · First detected: 2026-11-05 14:20 UTC · Category: Business

## Executive Summary
The 2027 Chevrolet Silverado introduces new V8 engines that offer enhanced performance but suffer from decreased fuel efficiency compared to previous models.

## Intelligence Brief
Chevrolet has unveiled the redesigned 2027 Silverado 1500, a vehicle characterized by significant updates to its powertrain and overall design. The new model features two new V8 engine options, which are central to the vehicle's identity as a heavy-duty pickup. According to reports from CarBuzz, these updates contribute to a towing capacity of 13,700 lbs. The vehicle is positioned to compete against one main rival in the pickup market. While the redesign aims for performance, the transition to these new small-block engines has resulted in a shift in efficiency, moving the truck toward a more power-centric profile. Coverage from multiple automotive outlets highlights different aspects of the release.


The Drive describes the update as a huge victory for V8 engines, while Car and Driver has conducted tests on the 2027 Chevrolet Silverado 1500 specifically focusing on the big changes and small-block engines. The Detroit News focuses on the scale of the redesigned truck, and the Detroit Free Press notes that the vehicle's off-roading capabilities are sufficient to make the Ford Raptor sweat. These reports collectively emphasize a strategic pivot toward power and capability over fuel economy. Contextual concerns regarding the environmental and financial impact of the new engines have surfaced in the coverage. Jalopnik reports that the 2027 Chevrolet Silverado's new V8s achieve worse gas mileage than the older versions of the truck, suggesting that oil companies will benefit from the increased fuel consumption. This tension between performance gains and efficiency losses is a key theme.


Additionally, GM Authority has released the fuel economy ratings for both the 2027 GMC Sierra 1500 V8 and the Duramax engine, providing a broader look at General Motors' current approach to powertrain efficiency across its truck lineup. Looking forward, industry attention will remain on how these efficiency ratings affect the market reception of the Silverado 1500. The coverage indicates that the vehicle's ability to maintain its status against its primary rival will depend on whether the 13,700 lbs towing capacity and off-road performance outweigh the decline in gas mileage. Observers will be monitoring the real-world application of these new V8s as more testing data becomes available. The specific fuel economy figures released by GM Authority for the Sierra and Duramax engines will likely serve as the benchmark for comparing the Silverado's operational costs.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Detroit Free Press | I went off-roading in a Chevy pickup that should make Raptor sweat | [Source Link](https://news.google.com/rss/articles/CBMi3AFBVV95cUxOT09zeHdBaHN6bTJkdE55anNEMU1qY0owandzRGdUb1FxOWJqblRRUXBUZ2tuVnBDUWNobDRySjByMjNXdm12Y210VkR5a0R6b3BtdWM4WnZhdHFCdnBVd2Zwa3p4VEstWnB4NzN1dDVWc1o0RnhQOGphRkhOQU5yQ0hURnU1dnc3dmlGZ3Z6RU50RnpITG5nRzZGSjhTRm1uUENDRHdaNnZkTTlqQXYtVWlUMTYwT29ESzJiRXhpNDJqOFhCY3o5MTVSSEZ5QUlHeERFYTVWamtYTzdG?oc=5) |
| The Detroit News | Living large in the redesigned 2027 Chevy Silverado - Payne | [Source Link](https://news.google.com/rss/articles/CBMi2gFBVV95cUxQYkpCNHdOd3N5cHZPaUprRjREbXhoU0pIWUdmUXhUMHhlTm5sMWZFcTdwTW11ZzZMSHhYLVFjZi1JcUprcnoxRi1GeXZ1UHZibFNKZDNCTmFpN1UzQ2hnV2N4d3lrVU1pdjg1Q3VpY3NHY0xlVXV5YmhOeEkwc2VWUEtBc0dvdjVma1hjWFJHWk5EYWhiY0tIZ05pQmtzUVNzSjVRZTZoX2tmRHlyOWUzTnRzcTh0Smp0OXRvWkZ3TEFNTFhXSVhuN1AtVHM2ZlF1Z190Z29RQU1IUQ?oc=5) |
| The Drive | 2027 Chevrolet Silverado First Drive Review: A Huge ‘W’ for V8s | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxQcTB2WmU0U3Vsd01mVmpjYWpfNFY2ZnU5bFVjSUcycl9EMk5GM1BxVEpWV2JQRGhGSXFacnkwRHh5Ry1OUG94NEwzNC1QZDgxc2trZTdUU0tmN1ByR1lBSS1HTEZ2eWNyb1UySWFFSmhxaHlJd1NMNzNfWTFrVjR0WE8yblRHTmFWbEJCV3dlR2RtSDho?oc=5) |
| CarBuzz | 2 New V8s, 13,700 LBS Towing, 1 Main Rival To Beat - 2027 Chevy Silverado 1500 First Drive | [Source Link](https://news.google.com/rss/articles/CBMickFVX3lxTFB4RWpQU3RZc1BvV1UtUXY0RjJtWmpIdEZjTHc1NEZ3U3VwYUZZQ3NIRThpbkZrSGF4Vk5oeFdFdF9CUU8ydC1zbjJLMjVQYWpyUEtzNTdFN2tVNUYxNGpvZTVjbGtHZElfbEFQalBNR3EyZw?oc=5) |
| GM Authority | 2027 GMC Sierra 1500 V8 And Duramax Engine Fuel Economy Ratings Released | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxQUXdjSkRtenZMWU1kaDFFMURuWEVjak02UGtmbjBIN1hFazN1NV9PSFo0T0h5c0xhVklsZjJDRW81SHpObThtcGFVcDhwZWNRUkE5YVlMRG10N0dmYXZxUm1iM3h0X2t3dkV1bk9EaElGdFYxZkNUSjJxRHB4RVl2SVJmTVpIT2VKMjVjWXIwNU43OGZWYk52RFhZQjlvUS1DU2FDb3czd1BKWGgydEZN?oc=5) |
| Car and Driver | Big Changes, Small Blocks: We Test the 2027 Chevrolet Silverado 1500 | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxPUHp1YlA3bV9XLVdyWWlJRGVFSlAyWkk1TjhSYTNaSVlaS2RVdkZrclRvb1AxV1JwUGJ6WFZjYmhoUjc2N0RCY0x1OTlraFRaSk5GMW1MOEtjQWttYllIY2F5YmFjSjQyWFRSeWlrQmdfQ2pVcnVDVWJiTTZ6Q3BFcFVxS0h6S19SMnZ3eDNVVWlIX2RoR0JaQg?oc=5) |
| Jalopnik | Oil Companies Will Love That The 2027 Chevrolet Silverado's New V8s Get Worse Gas Mileage Than The Old Ones | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxOeWV1LWRBaDRlaVpXcFkxS18yM0ZfVWwzaGNoWlJtRkpNS19FMllaRlRyQ1Zpb2pyLUtiN3VIek5QUWkxdzN5a2lWdHVDSnd1UGF1bDI4VFRkcEJqT2VlRm44bUY3NUNWU2JaRWw1dXltQmhjRFcxQTk2ZFBQNkxvVEVBSmxVdFliNnZkSA?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-11-05/oil-companies-will-love-that-the-2027-chevrolet-silverado-s-new-v8s-get-worse*