Fuel-Efficient Buick & GMC Vehicles at Coast Buick GMC
If you want a vehicle that helps you save at the pump without giving up comfort, style, or capability, Coast Buick GMC has great options to explore. Buick offers some of the most efficient choices in the lineup, while GMC gives you practical SUVs and trucks for drivers who need more utility. Current official figures show the 2026 Buick Encore GX at up to 29 city / 31 highway MPG, the 2026 Buick Envista at up to 28 city / 32 highway MPG, the 2026 Buick Envision at 22 city / 28 highway MPG, and the 2026 GMC Terrain FWD at 26 city / 28 highway MPG.
Whether you need an efficient SUV for commuting around Port Richey, more room for family life, or a truck that still gives you solid everyday value, our team can help you compare the right Buick and GMC models.
Compare Fuel-Efficient Buick & GMC Models
| Model | Type | Est. MPG | Best For |
|---|---|---|---|
| Buick Encore GX | Small SUV | Up to 29 city / 31 hwy | Commuting, everyday driving |
| Buick Envista | Compact crossover | Up to 28 city / 32 hwy | Style and highway MPG |
| GMC Terrain FWD | Small SUV | 26 city / 28 hwy | GMC utility with good efficiency |
| GMC Canyon | Midsize truck | Up to 19 city / 23 hwy | Drivers who want a truck with better everyday efficiency |
| Buick Envision | Compact SUV | Around 22 city / 28 hwy | Premium comfort |
| GMC Sierra 1500 Duramax | Full-size truck | Varies by trim | Full-size truck capability |
The Encore GX and Envista are the strongest fuel-economy choices in the Coast Buick GMC lineup, while the Terrain is a smart pick for shoppers who want a GMC SUV with good everyday MPG. GMC also offers the Sierra 1500 with an available Duramax 3.0L Turbo-Diesel for drivers who want truck capability with an efficiency-minded powertrain.
Which Buick or GMC Gets the Best Gas Mileage?
If your goal is to get the most from every tank, the Buick Encore GX and Buick Envista are two of the best places to start. The Encore GX reaches up to 29 city / 31 highway MPG, while the Envista offers up to 28 city / 32 highway MPG. That makes both excellent choices for drivers looking for a fuel-efficient Buick in Port Richey.
For GMC shoppers, the Terrain FWD is one of the most efficient models in the lineup, with official GMC build details listing 26 city / 28 highway MPG.
Best Choice for Different Drivers
Best for commuting:Buick Envista Its 32 highway MPG rating makes it a strong fit for drivers who spend a lot of time on the road.
Best all-around small SUV:
Buick Encore GX The Encore GX gives you compact SUV versatility with up to 29 city / 31 highway MPG.
Best premium fuel-efficient Buick:
Buick Envision The Envision gives shoppers a more upscale feel while still offering reasonable efficiency for a compact SUV.
Best fuel-efficient GMC SUV:
GMC Terrain If you prefer the GMC brand, the Terrain is the most practical balance of efficiency, utility, and everyday space.
Best truck option:
GMC Sierra 1500 with available Duramax For drivers who need towing, hauling, or truck utility, the Sierra 1500 offers an available Duramax 3.0L Turbo-Diesel engine that is widely positioned as the efficiency-focused choice in the Sierra lineup.
Why Shop Fuel-Efficient Buick & GMC Vehicles at Coast Buick GMC?
At Coast Buick GMC in Port Richey, we help drivers compare fuel economy, features, size, and value so they can find the right fit for their lifestyle. Whether you are interested in the Buick Encore GX, Buick Envista, Buick Envision, GMC Terrain, or GMC Sierra 1500, our team can help you choose a vehicle that works for your daily drive and your budget.
Shop Fuel-Efficient Buick & GMC Vehicles in Port Richey
If you are looking for a fuel-efficient SUV or truck near Port Richey, visit Coast Buick GMC to explore your options. Browse our inventory, compare Buick and GMC models, and take a test drive to find the vehicle that fits your needs.
FAQ
What is the most fuel-efficient Buick?The Buick Encore GX and Buick Envista are two of the most efficient Buick models, with the Encore GX rated up to 29/31 MPG and the Envista up to 28/32 MPG.
What is the most fuel-efficient GMC?
The GMC Terrain FWD is one of the most fuel-efficient GMC models, rated at 26/28 MPG.
Which GMC truck is best on gas?
The GMC Sierra 1500 with the available Duramax 3.0L Turbo-Diesel is the best place to start for shoppers who want a more efficiency-focused truck.
Is the Buick Envista good for commuting?
Yes. Its 28 city / 32 highway MPG rating makes it a strong commuter choice.
Is the Buick Encore GX good on gas?
Yes. Official Buick figures list it at up to 29 city / 31 highway MPG in FWD form.