2023 Acura TLX — Full Specifications

Reviewed by the 247VehicleCheck Data Team — automotive data reviewers

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30Best Combined MPG (UK)
2L 4-cyl turboMost Efficient Engine
Premium GasolineFuel Type
$3,300Est. Annual Fuel (US EPA)
5★NHTSA Safety
219CO₂ g/km

The 2023 Acura TLX is a saloon/sedan offered with 2 engines (2L 4-cyl turbo, 3L 6-cyl turbo). Its most fuel-efficient configuration returns around 30 mpg (UK) / 25 mpg (US EPA) combined, with 25–30 mpg (UK) across all configurations. Owners often keep a Acura TLX workshop manual to hand for servicing and repairs.

Related 2023 listings: Acura TLX A-SPEC.

Compared with the 2022 Acura TLX: Fuel economy is essentially unchanged at around 30 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.

Full Specifications

Engine (most efficient)2L 4-cyl turbo
Engine options2L 4-cyl turbo · 3L 6-cyl turbo
Transmission (most efficient)Automatic (S10)
Fuel TypePremium Gasoline
PowertrainConventional
DriveFront-Wheel Drive
Body StyleSaloon/Sedan
Length4851 mm
Width1853 mm
Height1440 mm
Passenger Volume (EPA)93 cu ft (2,633 L)
Luggage Volume (EPA)14 cu ft (396 L)
Fuel Economy (UK)30 combined / 26 urban / 37 extra-urban mpg
Fuel Economy (US EPA)25 combined / 22 city / 31 highway mpg
CO₂ Emissions219 g/km
EPA Greenhouse Gas Score5 / 10 (10 = lowest emissions)
EPA Est. Annual Fuel Cost$3,300 (15,000 mi/yr, US prices)

Engine & Transmission Options

EPA lists 3 configurations for the 2023 Acura TLX across 2 engines (2L 4-cyl turbo, 3L 6-cyl turbo). Combined fuel economy ranges from 21 to 25 mpg (US), or 25 to 30 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.

EngineTransmissionDriveMPG (UK)MPG (US)CO₂ g/kmFuel cost / yr
2L 4-cyl turboAutomatic (S10)All-Wheel Drive 29 24 (21/29) 229$3,400
2L 4-cyl turboAutomatic (S10)Front-Wheel Drive 30 25 (22/31) 219$3,300
3L 6-cyl turboAutomatic (S10)All-Wheel Drive 25 21 (19/25) 261$3,900

MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.

EPA measures interior passenger volume at 93 cubic feet (about 2,633 litres) and luggage volume at 14 cubic feet (about 396 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.

Owner Essentials for the 2023 Acura TLX

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Running Costs: 2023 Acura TLX

Covering around 8,000 miles a year in a 2023 Acura TLX at 30 mpg combined, expect roughly 1,212 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,300 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.

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

Only need this car occasionally? See our buy vs rent comparison.

2023 Acura TLX Safety Ratings (NHTSA)

5★Overall
5★Frontal
5★Side
5★Rollover

Recalls & Owner Complaints (NHTSA)

NHTSA lists 4 safety recall campaigns that include the 2023 Acura TLX (as of 6 October 2026). Most affected areas: Fuel system (2), Air bags (1), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.

Owners have filed 19 complaints with NHTSA about the 2023 Acura TLX. The most-reported areas are Power train (9), Unspecified (6), Electrical system (2). That is well below the median of 71 complaints across the 11 Acura TLX model years in our data.

Used-buyer checklist for the 2023 Acura TLX

Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:

Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.

How It Compares

At 30 mpg (UK) combined it sits close to the 29 mpg average for Acura models in our database. Its 219 g/km CO₂ figure is 16 g/km lower than the 235 g/km Acura average.

Of the 11 Acura TLX model years we cover, the 2023 ranks 7th for combined fuel economy on its best configuration (30 mpg UK combined, against a high of 34 mpg). See every Acura TLX year side by side.

Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 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 Acura TLX have?

EPA lists 2 engines for the 2023 Acura TLX: 2L 4-cyl turbo, 3L 6-cyl turbo. The most fuel-efficient configuration pairs the 2L 4-cyl turbo with a automatic (s10).

What is the fuel economy of the 2023 Acura TLX?

The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 25 to 30 mpg.

How much does the 2023 Acura TLX cost to fuel per year?

The US EPA estimates about $3,300 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.

Does the 2023 Acura TLX have a good safety rating?

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

Does the 2023 Acura TLX have any recalls?

NHTSA lists 4 safety recall campaigns that include the 2023 Acura TLX (as of 6 October 2026). Most affected areas: Fuel system (2), Air bags (1), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.

What are the most common problems reported for the 2023 Acura TLX?

Among the 19 owner complaints filed with NHTSA, the most-reported areas are Power train (9 complaints), Unspecified (6 complaints), Electrical system (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.

How much interior and luggage space does the 2023 Acura TLX have?

EPA measures interior passenger volume at 93 cubic feet (about 2,633 litres) and luggage volume at 14 cubic feet (about 396 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.

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