Skip to content
AutoSpec Index
Menu

2021 Subaru Outback

US · SUV · Small Sport Utility Vehicle 4WD

The 2021 Subaru Outback is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
Varies by configuration: 2.4L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI)
Power
182 hp (136 kW)
Torque
176 lb-ft (239 Nm)
Transmission
8-speed CVT
Drivetrain
AWD
Fuel
Gasoline
Economy
26 mpg (9.0 L/100 km) to 29 mpg (8.1 L/100 km) combined
Seating
5 seats
Length 191.3 in (4,860 mm)Height 66.1 in (1,680 mm)Wheelbase 108.1 in (2,745 mm)
Outline scaled from the published measurements. An illustration, not a photograph.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
2.4L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI)
Power Output
182 hp (136 kW)
Peak Torque
176 lb-ft (239 Nm)
Combined Economy
26 mpg (9.0 L/100 km) to 29 mpg (8.1 L/100 km) combined
Drivetrain
AWD
Transmission
8-speed CVT
Capacity
5 seats · 5 doors
Exterior Dimensions
191.3″ L × 73.0″ W × 66.1″ H
Curb Weight
3,638 lbs (1,650 kg)
Market: US·Switch units to convert the figures shown.
Compare 2021 Subaru Outback ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 2.4L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI)
Displacement2.4 L to 2.5 L
Cylinders4
AspirationTurbocharged
Power182 hp (136 kW)
Torque176 lb-ft (239 Nm)
Fuel typeGasoline

Performance

Performance
SpecificationValueSource
0–100 km/h8.5 s
Top speed121 mph (195 km/h)
Towing capacity2,701 lb (1,225 kg)

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionCVT
Gears8
DrivetrainAWD

Dimensions

Dimensions
SpecificationValueSource
Length191.3 in (4,860 mm)
Width73.0 in (1,855 mm)
Height66.1 in (1,680 mm)
Wheelbase108.1 in (2,745 mm)
Ground clearance8.7 in (220 mm)

Weight

Weight
SpecificationValueSource
Curb weight3,638 lb (1,650 kg)

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined26 mpg (9.0 L/100 km) to 29 mpg (8.1 L/100 km)
City23 mpg (10.2 L/100 km) to 26 mpg (9.0 L/100 km)
Highway30 mpg (7.8 L/100 km) to 33 mpg (7.1 L/100 km)

Capacity

Capacity
SpecificationValueSource
Seats5
Doors5

Our sources do not publish these for this vehicle: Payload, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 4 recall campaigns for this model year. Last checked November 8, 2026.

  • 24V227000: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

    Subaru of America, Inc. (Subaru) is recalling certain 2020-2022 Outback and Legacy vehicles. A capacitor in the sensors for the Occupant Detection System (ODS) may crack and short circuit, which can prevent the front passenger air bag from deploying in a crash.

    Remedy: Dealers will replace the ODS sensors on the front passenger seat, free of charge. Owner notifications were mailed February 3, 2025. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRA-24.

    Reported March 22, 2024. View on NHTSA

  • 23V755000: POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

    Subaru of America, Inc. is recalling certain model year 2021 Crosstrek, 2022 Forester, 2021-2023 Legacy, and Outback vehicles. An insufficient weld may allow water to enter the inhibitor switch, causing it to fail.

    Remedy: Dealers will replace the inhibitor switch, free of charge. Owner notification letters were mailed January 8, 2024. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WRQ-23.

    Reported November 9, 2023. View on NHTSA

  • 22V485000: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.

    Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner…

    Reported July 8, 2022. View on NHTSA

  • 21V024000: POWER TRAIN:SHIFT LINKAGE/CABLE/ROD

    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.

    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…

    Reported January 26, 2021. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 4, 2026

Data verified: November 4, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Compare

Related vehicles

  • 2020 Subaru Outback

    SUV, Gasoline

    Varies by configuration: 2.5L 4-cylinder (SIDI), 2.4L 4-cylinder turbocharged (SIDI) · 182 hp (136 kW) · AWD
    29 mpg (8.1 L/100 km) to 26 mpg (9.0 L/100 km)

  • 2022 Subaru Outback

    SUV, Gasoline

    Varies by configuration: 2.5L 4-cylinder (SIDI), 2.4L 4-cylinder turbocharged (SIDI) · 182 hp (136 kW) · AWD
    29 mpg (8.1 L/100 km) to 24 mpg (9.8 L/100 km)

  • 2021 Subaru Crosstrek

    SUV, Varies by configuration: Gasoline, Plug-in hybrid

    Varies by configuration: 2.0L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI; PHEV) · AWD
    30 mpg (7.8 L/100 km) to 25 mpg (9.4 L/100 km)

  • 2.5L 4-cylinder (SIDI) · AWD
    29 mpg (8.1 L/100 km)

  • 2021 Subaru Ascent

    SUV, Gasoline

    2.4L 4-cylinder turbocharged (SIDI) · AWD
    23 mpg (10.2 L/100 km) to 22 mpg (10.7 L/100 km)

  • Varies by configuration: 3.6L 6-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · Varies by configuration: FWD, AWD
    22 mpg (10.7 L/100 km) to 18 mpg (13.1 L/100 km)

  • 2021 Buick Envision

    SUV, Gasoline

    2.0L 4-cylinder turbocharged (SIDI) · Varies by configuration: AWD, FWD
    26 mpg (9.0 L/100 km) to 25 mpg (9.4 L/100 km)

  • 2021 Kia Sportage

    SUV, Gasoline

    Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI) · Varies by configuration: FWD, AWD
    26 mpg (9.0 L/100 km) to 21 mpg (11.2 L/100 km)

Explore similar vehicles

Frequently asked questions

What engine does the 2021 Subaru Outback have?

Varies by configuration: 2.4L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

How much horsepower does the 2021 Subaru Outback have?

182 hp (136 kW), as listed by our sources.

What is the fuel economy of the 2021 Subaru Outback?

Combined fuel economy is 26 mpg (9.0 L/100 km) to 29 mpg (8.1 L/100 km), as published by the source shown in the specification table.

Is the 2021 Subaru Outback front-wheel, rear-wheel or all-wheel drive?

Drivetrain: AWD.

How many seats does the 2021 Subaru Outback have?

5 seats.

How long is the 2021 Subaru Outback?

191.3 in (4,860 mm).

Are there recalls for the 2021 Subaru Outback?

NHTSA lists 4 recall campaigns for this model year (last checked November 8, 2026). Details are in the Recalls section.