2020 BMW i3 EPA Fuel Economy Summary

The 2020 BMW i3 plug-in hybrid delivers up to 126 miles of all-electric range rated at 100 MPGe, transitioning to an EPA-estimated 31 MPG combined on gasoline once battery charge is depleted.

Electric Driving Range
126 mi
All-electric battery range
Electric Mode MPGe
100 MPGe
Combined electric efficiency
Gasoline Combined
31 MPG
Gas-only combined fuel economy
Annual Energy Cost
$650–2,450
EPA estimate @ 15,000 miles/yr

2020 BMW i3 Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

Plug-In Hybrid

Plug-In Hybrid (PHEV)

126 mi EV Range • 100 MPGe

Gasoline Combined: 31 MPG • Annual Energy Cost: $2,450

All-Electric

Battery Electric (BEV)

153–153 mi Range • 113 MPGe

Annual Energy Cost: $650–$2,450 (2 configurations)

Official EPA Fuel Economy Ratings by Configuration (4 Variants)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
i3 Electricity Electric (BEV) Rear-Wheel Drive Automatic (A1) 124 MPGe 102 MPGe 113 MPGe 153 mi $650
i3s Electricity Electric (BEV) Rear-Wheel Drive Automatic (A1) 124 MPGe 102 MPGe 113 MPGe 153 mi $650
i3 with Range Extender Premium Gas or Electricity 0.6L Plug-in Hybrid Rear-Wheel Drive Automatic (A1) 107 MPGe (30 MPG) 93 MPGe (31 MPG) 100 MPGe (31 MPG) 126 mi $2,450
i3s with Range Extender Premium Gas or Electricity 0.6L Plug-in Hybrid Rear-Wheel Drive Automatic (A1) 107 MPGe (30 MPG) 93 MPGe (31 MPG) 100 MPGe (31 MPG) 126 mi $2,450
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

Fuel Cost per 25 Miles

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.