11 Most Expensive Vehicles to Fuel Up According to Consumer Reports
Are you driving one of the most expensive vehicles to fuel up? You are if you have a full-size truck or SUV with the biggest gas tank offered and the fuel mileage is on the low side. Typically, larger vehicles with bigger tanks provide lower fuel economy results.
What are the most expensive vehicles to fuel up?

Using the national average fuel price of $3.38 per gallon for regular fuel, these are the most expensive 2023 model-year vehicles to fill up from empty, according to Consumer Reports:
Vehicle | Tank Size | Cost | Efficiency |
Toyota Tundra | 32.2 | $109 | 12 city/23 hwy |
Ford Expedition | 28 | $96 | 11 city/23 hwy |
Chevrolet Suburban | 28 | $96 | 11 city/22 hwy |
Jeep Wagoneer | 26.5 | $90 | 10 city/21 hwy |
Nissan Armada | 26 | $88 | 10 city/20 hwy |
Infiniti QX80 | 26 | $88 | 11 city/21 hwy |
Nissan Titan | 26 | $88 | 11 city/22 hwy |
Ram 1500 | 26 | $88 | 11 city/24 hwy |
Cadillac Escalade | 24 | $81 | 10 city/23 hwy |
Chevrolet Silverado 1500 | 24 | $81 | 11 city/24 hwy |
Chevrolet Tahoe | 24 | $81 | 11 city/24 hwy |
Although the Toyota Tundra has the largest tank, it’s the most efficient vehicle on this list. This is mostly due to the Tundra having two V6 powertrains while most other models still use V8 engines.
How can you save money on gas while filling up?
CR offers more than just the most expensive vehicles to fuel up. We also get to enjoy some great gas-saving tips to keep more money in your pocket. Some of these include:
- Using gas cards or cash-back cards during every fill-up
- Shop for the best deal at the pump – some apps show several stations with the current prices
- Using membership clubs such as Costco, Sam’s Club, or BJ’s Warehouse
- Drive smart – obey speed limits, drive smoothly
Which cars offer the highest gas mileage?

Opposite of the most expensive vehicles to fuel up are much more affordable models. For this list, we turn to Green Car Reports, which offers eight models with the highest fuel economy numbers. All of these models reach over 50 mpg combined.
- Hyundai Ioniq Blue – 58 city/60 hwy mpg
- Toyota Prius Eco – 58 city/53 hwy mpg
- Hyundai Elantra Hybrid Blue – 53 city/56 hwy mpg
- Honda Insight – 55 city/49 hwy mpg
- Toyota Corolla Hybrid – 53 city/52 hwy mpg
- Toyota Camry Hybrid LE – 51 city/53 hwy mpg
- Hyundai Sonata Hybrid Blue – 50 city/54 hwy mpg
- Kia Niro LX – 53 city/48 hwy mpg
Most of these models are names you expect when searching for cars with the best fuel economy numbers. The Kia Niro is the only model classified as an SUV, while the others are sedans.
What’s the significant difference between these two lists?

A quick review of these two lists shows that the most expensive vehicles to fuel up are some of the largest models that run on gasoline. Conversely, the most efficient models are some of the smallest. Some bigger vehicles now use smaller engines than previous generations, namely the Toyota Tundra and Ford Expedition.
Next, check out the most efficient off-road vehicles, or learn more about the most expensive vehicles to fuel up in the video below: