2014 Acura RDX — Full Specifications
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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 2014 Acura RDX is an SUV powered by a 3.5L 6-cyl premium gasoline engine. Its most fuel-efficient configuration returns around 28 mpg (UK) / 23 mpg (US EPA) combined, with 26–28 mpg (UK) across all configurations. Owners often keep a Acura RDX workshop manual to hand for servicing and repairs.
Compared with the 2013 Acura RDX: Fuel economy is essentially unchanged at around 28 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It holds a 5★ overall NHTSA rating (none is on record for the 2013 model).
Full Specifications
| Engine | 3.5L 6-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 28 combined / 24 urban / 34 extra-urban mpg |
| Fuel Economy (US EPA) | 23 combined / 20 city / 28 highway mpg |
| CO₂ Emissions | 240 g/km |
| EPA Greenhouse Gas Score | 6 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2014 Acura RDX, all with the 3.5L 6-cyl engine. Combined fuel economy ranges from 22 to 23 mpg (US), or 26 to 28 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3.5L 6-cyl | Automatic (S6) | All-Wheel Drive | 26 | 22 (19/27) | 249 | $3,750 |
| 3.5L 6-cyl | Automatic (S6) | Front-Wheel Drive | 28 | 23 (20/28) | 240 | $3,550 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2014 Acura RDX
Running Costs: 2014 Acura RDX
Covering around 8,000 miles a year in a 2014 Acura RDX at 28 mpg combined, expect roughly 1,299 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,550 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.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2014 Acura RDX Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 3 safety recall campaigns that include the 2014 Acura RDX (as of 6 October 2026). Most affected areas: Air bags (2), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Fuel system — campaign 23V858000, reported 18 December 2023. Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
- Air bags — campaign 19V182000, reported 6 March 2019. Risk: An explosion of an inflator within the driver frontal air bag module may result in sharp metal fragments striking the driver, front seat passenger or other occupants resulting in serious injury or death.
- Air bags — campaign 16V061000, reported 3 February 2016. Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Owners have filed 243 complaints with NHTSA about the 2014 Acura RDX. The most-reported areas are Exterior lighting (163), Air bags (41), Unspecified (12). Complaints include 2 reported crashes, 1 reported fire, 4 reported injuries. That is well above the median of 41 complaints across the 17 Acura RDX model years in our data.
Used-buyer checklist for the 2014 Acura RDX
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Lighting (163 owner complaints) — Check every exterior light works and look for moisture inside the lamp housings.
- Air bags (2 recall campaigns · 41 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Visibility (10 owner complaints) — Check wipers, washers and demisters work properly.
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
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
How does the Acura RDX compare to similar SUVs? SUVs in our database average around 27 mpg (UK) combined — this model sits close to that average, within 1 mpg. Its 240 g/km CO₂ figure is 13 g/km lower than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
At 28 mpg (UK) combined it sits close to the 29 mpg average for Acura models in our database.
Of the 17 Acura RDX model years we cover, the 2014 ranks 6th for combined fuel economy on its best configuration (28 mpg UK combined, against a high of 29 mpg). See every Acura RDX 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.
Recommended Accessories for the 2014 Acura RDX
Frequently Asked Questions
What engine does the 2014 Acura RDX have?
It's fitted with a 3.5L 6-cyl premium gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2014 Acura RDX?
The most efficient configuration returns around 28 mpg (UK) combined, or 23 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 26 to 28 mpg.
How much does the 2014 Acura RDX cost to fuel per year?
The US EPA estimates about $3,550 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 2014 Acura RDX have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2014 Acura RDX have any recalls?
NHTSA lists 3 safety recall campaigns that include the 2014 Acura RDX (as of 6 October 2026). Most affected areas: Air bags (2), Fuel system (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 2014 Acura RDX?
Among the 243 owner complaints filed with NHTSA, the most-reported areas are Exterior lighting (163 complaints), Air bags (41 complaints), Unspecified (12 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Acura RDX's fuel economy good for an SUV?
Yes — it returns around 28 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.