2026 Rivian R1T All-Terrain Performance Dual Large (20in)
Fuel Economy Overview
The 2026 Rivian R1T All-Terrain Performance Dual Large (20in) achieves an EPA-estimated 76 MPG in combined city and highway driving, with 82 MPG in the city and 70 MPG on the highway.
The estimated annual fuel cost for this vehicle is $1,000, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would spend $5,750 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
The Brick Effect: Highway Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Because the Standard Pickup Trucks 4WD has a large frontal area, expect your real-world highway fuel economy to drop by up to 25% at high speeds.
⚡ EV Climate Range Simulator
Extreme temperatures severely impact lithium-ion battery chemistry and require heavy HVAC usage. See how your range degrades in freezing winters or scorching summers.
EV / PHEV Intel
Range Anxiety Index: Moderate Anxiety
Strictly a commuter vehicle. Frequent charging required for longer trips.
5-Year Total Cost of Ownership
Recall Intelligence
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Rivian R1T All-Terrain Performance Dual Large (20in) configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.