Gas vs Diesel Calculator

Compare gasoline and diesel fuel costs, efficiency, and total ownership expenses. Get detailed analysis of MPG, maintenance, and long-term savings for cars and trucks based on real 2025 data.

🚗 Select Vehicle Type

🚗 Compact Car

Gas: 28-32 MPG | Diesel: 35-42 MPG

🚙 Midsize Car

Gas: 25-30 MPG | Diesel: 32-38 MPG

🚛 SUV/Crossover

Gas: 20-26 MPG | Diesel: 26-32 MPG

🚚 Pickup Truck

Gas: 16-21 MPG | Diesel: 21-29 MPG

🏗️ Heavy-Duty Truck

Gas: 10-16 MPG | Diesel: 15-21 MPG

⚙️ Custom Vehicle

Enter your own MPG values

📊 Driving Parameters

Annual Miles Driven

Ownership Period (Years)

Gasoline Price ($/gallon)

Diesel Price ($/gallon)

⚙️ Custom MPG Values

Gasoline MPG

Diesel MPG

⚡ Fuel Efficiency Comparison

Gas: 25 MPG

Diesel: 32 MPG

Diesel is 28% more efficient

⛽ Gasoline Costs

Fuel Efficiency: 25 MPG

Gallons/Year: 600

Annual Fuel Cost: $1,836

Maintenance/Year: $800

Total Annual Cost: $2,636

Total 5-Year Cost: $13,180

🚛 Diesel Costs

Fuel Efficiency: 32 MPG

Gallons/Year: 469

Annual Fuel Cost: $1,646

Maintenance/Year: $1,000

Total Annual Cost: $2,646

Total 5-Year Cost: $13,230

💰 Cost Analysis

Diesel saves $190 annually on fuel costs
However, higher maintenance costs offset savings
Net difference: $50 more per year for diesel

Break-even point: 25,000+ miles/year for diesel advantage

🔍 Quick Examples

🚗 Compact Car Commute

12,000 miles/year - Daily commuting

🚚 Business Truck

25,000 miles/year - Commercial use

🚛 Family SUV

18,000 miles/year - Family trips

🏗️ Heavy-Duty Work

35,000 miles/year - Construction

🚗 Ready to Buy Your Next Vehicle?

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