2021 Ram Promaster City — 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 2021 Ram Promaster City powered by a 2.4L 4-cyl regular gasoline engine. It returns around 29 mpg (UK) / 24 mpg (US EPA) combined. Owners often keep a Ram Promaster City workshop manual to hand for servicing and repairs.
Compared with the 2020 Ram Promaster City: Fuel economy is essentially unchanged at around 29 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 2.4L 4-cyl |
|---|---|
| Transmission | Automatic 9-spd |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Fuel Economy (UK) | 29 combined / 25 urban / 34 extra-urban mpg |
| Fuel Economy (US EPA) | 24 combined / 21 city / 28 highway mpg |
| CO₂ Emissions | 232 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,800 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2021 Ram Promaster City, all with the 2.4L 4-cyl engine. 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 |
|---|---|---|---|---|---|---|
| 2.4L 4-cyl | Automatic 9-spd | Front-Wheel Drive | 29 | 24 (21/28) | 232 | $2,800 |
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 2021 Ram Promaster City
Running Costs: 2021 Ram Promaster City
Covering around 8,000 miles a year in a 2021 Ram Promaster City 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 $2,800 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.
2021 Ram Promaster City Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 10 safety recall campaigns that include the 2021 Ram Promaster City (as of 6 October 2026). Most affected areas: Equipment adaptive/mobility (1), Engine and engine cooling (1), Back over prevention (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Equipment adaptive/mobility — campaign 25V876000, reported 17 December 2025. Risk: An unsecured wheelchair can move during transit, increasing the risk of injury.
- Engine and engine cooling — campaign 25V720000, reported 23 October 2025. Risk: Electrical circuits that overheat increase the risk of a fire.
- Back over prevention — campaign 25V552000, reported 26 August 2025. Risk: A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.
- Structure — campaign 24V416000, reported 6 June 2024. Risk: A missing side door beam may not provide adequate occupant protection in a crash, increasing the risk of injury. Incorrect seating capacity information can result in an improperly loaded vehicle, increasing…
Showing the 4 most recent of 10 campaigns.
Owners have filed 116 complaints with NHTSA about the 2021 Ram Promaster City. The most-reported areas are Back over prevention (24), Unspecified (21), Electrical system (19). Complaints include 1 reported crash, 3 reported fires. That is well above the median of 69 complaints across the 8 Ram Promaster City model years in our data.
Used-buyer checklist for the 2021 Ram Promaster City
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (19 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (14 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Engine cooling (1 recall campaign) — Check coolant level, look for leaks and make sure the temperature stays steady in traffic.
- Body structure (1 recall campaign) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
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
Ram models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2021 Ram Promaster City's 29 mpg is 3 mpg above that make average. Its 232 g/km CO₂ figure is 44 g/km lower than the 276 g/km Ram average.
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 2021 Ram Promaster City
Frequently Asked Questions
What engine does the 2021 Ram Promaster City have?
It's fitted with a 2.4L 4-cyl regular gasoline engine, paired with a automatic 9-spd transmission.
What is the fuel economy of the 2021 Ram Promaster City?
The most efficient configuration returns around 29 mpg (UK) combined, or 24 mpg on the US EPA cycle.
How much does the 2021 Ram Promaster City cost to fuel per year?
The US EPA estimates about $2,800 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 2021 Ram Promaster City have any recalls?
NHTSA lists 10 safety recall campaigns that include the 2021 Ram Promaster City (as of 6 October 2026). Most affected areas: Equipment adaptive/mobility (1), Engine and engine cooling (1), Back over prevention (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 2021 Ram Promaster City?
Among the 116 owner complaints filed with NHTSA, the most-reported areas are Back over prevention (24 complaints), Unspecified (21 complaints), Electrical system (19 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.