Do Not Drive — Critical Safety Warning
The NHTSA has issued a "Park It" advisory for this specific vehicle configuration. There is a catastrophic safety defect that poses an immediate risk of death or severe injury. Scroll down to the Recall Intelligence section for specific remedy instructions.
2021 Subaru Impreza 4-Door
Fuel Economy Overview
The 2021 Subaru Impreza 4-Door achieves an EPA-estimated 26 MPG in combined city and highway driving, with 23 MPG in the city and 31 MPG on the highway. Powered by a 2L 4-cylinder engine paired with a manual 5-spd, this midsize cars features All-Wheel Drive drive.
In terms of environmental impact, the 2021 Impreza 4-Door produces approximately 337 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this Impreza 4-Door performs better than the national average in this regard.
The estimated annual fuel cost for this vehicle is $2,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $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.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
5-Year Total Cost of Ownership
Recall Intelligence
Subaru of America, Inc. (Subaru) is recalling certain 2021 Impreza vehicles. The left-front lower control arm weld may fail, allowing the control arm to separate from the crossmember.
Consequence & Remedy
Consequence: A separated control arm may cause the tire to contact the wheel well, resulting in a loss of control and increasing the risk of a crash.
Remedy: Owners are advised not to drive their vehicle until the repair is complete. Dealers will inspect and replace the control arm as necessary, free of charge. Owner notification letters were mailed September 3, 2021. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRI-21.
Subaru of America, Inc. (Subaru) is recalling certain 2021 Outback and Impreza vehicles. The continuously variable transmission (CVT) select lever cable nut may not have been tightened properly, allowing the nut to loosen.
Consequence & Remedy
Consequence: A loose nut can lead to a lost of retention in the CVT select lever cable and the gear selector not functioning properly, increasing risk of crash.
Remedy: Subaru will notify owners, and dealers will inspect, and, if necessary, tighten the nut, free of charge. The recall began February 12, 2021. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRA-21.
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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 Subaru Impreza 4-Door configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)