2023 Subaru Outback — Full Specifications

Reviewed by the 247VehicleCheck Data Team — automotive data reviewers

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34Combined MPG (UK)

2.5L 4-cylEngine

Regular GasolineFuel Type

N/AInsurance Group UK

5★NHTSA Safety

221CO₂ g/km

Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.

The 2023 Subaru Outback is a suv powered by a 2.5L 4-cyl regular gasoline engine, returning around 34 mpg (UK) / 28.0 mpg (US EPA) combined. Owners often keep a Subaru Outback workshop manual to hand for servicing and repairs.

Full Specifications

Engine	2.5L 4-cyl
Transmission	Automatic (AV-S8)
Fuel Type	Regular Gasoline
Powertrain	Conventional
Drive	All-Wheel Drive
Body Style	SUV
Seats	Data not available
Length	4700 mm
Width	Data not available
Height	Data not available
Kerb Weight	Data not available
Fuel Economy (UK)	34 combined / 31 urban / 38 extra-urban mpg
Fuel Economy (US EPA)	28.0 combined / 26.0 city / 32.0 highway mpg
CO₂ Emissions	221 g/km

Owner Essentials for the Subaru Outback

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UK Running Costs

Insurance group not available — check with your insurer. At around 8,000 miles per year and 34 mpg combined, expect roughly 1070 litres of fuel annually — multiply by your local price per litre for a cost estimate. Work out exact fuel costs with the fuel cost calculator on 247Calculators. Planning a road trip? turn this SUV into a basecamp with Traverseon's sleeping-platform kit .

Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.

Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.

Safety Ratings (NHTSA)

5★Overall

5★Frontal

5★Side

4★Rollover

How It Compares

How does the Subaru Outback compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 34 mpg figure is 7 mpg better than that average. Its 221 g/km CO₂ figure is 40 g/km lower than the 261 g/km average for SUVs on this site. This comparison is based on 894 SUVs in our dataset.

Last updated: 12 September 2026 · Data: US EPA (fueleconomy.gov) & NHTSA snapshots 18 July 2026; Wikidata & curated EU catalogue 18 July 2026

Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.

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Frequently Asked Questions

What engine does the 2023 Subaru Outback have?

It's fitted with a 2.5L 4-cyl regular gasoline engine, paired with a automatic (av-s8) transmission.

What is the fuel economy of the 2023 Subaru Outback?

It returns around 34 mpg (UK) combined, or 28.0 mpg on the US EPA cycle.

Does the 2023 Subaru Outback have a good safety rating?

It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.

How many seats does the 2023 Subaru Outback have?

Seating capacity data is not available for this model year. It's classed as a suv.

Is the Subaru Outback's fuel economy good for a SUV?

Yes — it returns around 34 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track, making it one of the more efficient options in its class.