2015 Ram 1500 HFE — Full Specifications
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The 2015 Ram 1500 HFE is a pickup offered with 2 engines (3L 6-cyl turbo, 3.6L 6-cyl). Its most fuel-efficient configuration returns around 29 mpg (UK) / 24 mpg (US EPA) combined, with 25–29 mpg (UK) across all configurations. Owners often keep a Ram 1500 HFE workshop manual to hand for servicing and repairs.
Related listing: see also the 2015 Ram 1500 page for the base 1500 listing, which may cover additional engines and body styles.
Compared with the 2014 Ram 1500 HFE: Fuel economy improves from 25 to 29 mpg (UK) combined on the most efficient configuration. EPA lists new engine options for 2015: 3L 6-cyl turbo. It carries the same 4★ overall NHTSA rating.
Full Specifications
| Engine (most efficient) | 3L 6-cyl turbo |
|---|---|
| Engine options | 3L 6-cyl turbo · 3.6L 6-cyl |
| Transmission (most efficient) | Automatic 8-spd |
| Fuel Type | Diesel |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Pickup |
| Fuel Economy (UK) | 29 combined / 25 urban / 35 extra-urban mpg |
| Fuel Economy (US EPA) | 24 combined / 21 city / 29 highway mpg |
| CO₂ Emissions | 266 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,000 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2015 Ram 1500 HFE across 2 engines (3L 6-cyl turbo, 3.6L 6-cyl). Combined fuel economy ranges from 21 to 24 mpg (US), or 25 to 29 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 |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 29 | 24 (21/29) | 266 | $4,000 |
| 3.6L 6-cyl | Automatic 8-spd | Rear-Wheel Drive | 25 | 21 (18/25) | 265 | $3,200 |
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 2015 Ram 1500 HFE
Running Costs: 2015 Ram 1500 HFE
Covering around 8,000 miles a year in a 2015 Ram 1500 HFE at 29 mpg combined, expect roughly 1,254 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,000 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.
2015 Ram 1500 HFE Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 18 safety recall campaigns that include the 2015 Ram 1500 HFE (as of 6 October 2026). Most affected areas: Engine and engine cooling (3), Air bags (3), Equipment (3). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Engine and engine cooling — campaign 23V411000, reported 8 June 2023. Risk: An engine stall can increase the risk of a crash.
- Fuel system — campaign 22V406000, reported 9 June 2022. Risk: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.
- Air bags — campaign 21V632000, reported 12 August 2021. Risk: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
- Engine and engine cooling — campaign 20V475000, reported 13 August 2020. Risk: An engine stall can increase the risk of a crash.
Showing the 4 most recent of 18 campaigns.
Owners have filed 1452 complaints with NHTSA about the 2015 Ram 1500 HFE. The most-reported areas are Steering (341), Engine (335), Power train (225). Complaints include 79 reported crashes, 58 reported fires, 52 reported injuries, 4 reported deaths. That is close to the median of 1452 complaints across the 7 Ram 1500 HFE model years in our data.
Used-buyer checklist for the 2015 Ram 1500 HFE
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Steering (341 owner complaints) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
- Engine (335 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Transmission & drivetrain (225 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Fuel system (164 owner complaints) — 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 Ram 1500 HFE compare to similar pickups? For context, pickups in our database average around 25 mpg (UK) combined — this model's 29 mpg figure is 4 mpg better than that average. Its 266 g/km CO₂ figure is 17 g/km lower than the 283 g/km average for pickups on this site. This comparison is based on 264 pickups in our dataset.
Ram models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2015 Ram 1500 HFE's 29 mpg is 3 mpg above that make average. Its 266 g/km CO₂ figure is 10 g/km lower than the 276 g/km Ram average.
Of the 11 Ram 1500 HFE model years we cover, the 2015 ranks 3rd for combined fuel economy on its best configuration (29 mpg UK combined, against a high of 31 mpg). See every Ram 1500 HFE 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 2015 Ram 1500 HFE
Frequently Asked Questions
What engine does the 2015 Ram 1500 HFE have?
EPA lists 2 engines for the 2015 Ram 1500 HFE: 3L 6-cyl turbo, 3.6L 6-cyl. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic 8-spd.
What is the fuel economy of the 2015 Ram 1500 HFE?
The most efficient configuration returns around 29 mpg (UK) combined, or 24 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 25 to 29 mpg.
How much does the 2015 Ram 1500 HFE cost to fuel per year?
The US EPA estimates about $4,000 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 2015 Ram 1500 HFE have a good safety rating?
It holds an overall NHTSA rating of 4 stars, with 4 stars for frontal crash protection.
Does the 2015 Ram 1500 HFE have any recalls?
NHTSA lists 18 safety recall campaigns that include the 2015 Ram 1500 HFE (as of 6 October 2026). Most affected areas: Engine and engine cooling (3), Air bags (3), Equipment (3). 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 2015 Ram 1500 HFE?
Among the 1,452 owner complaints filed with NHTSA, the most-reported areas are Steering (341 complaints), Engine (335 complaints), Power train (225 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Ram 1500 HFE's fuel economy good for a pickup?
Yes — it returns around 29 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the pickups we track, making it one of the more efficient options in its class.