2021 Ford Bronco — Full Specifications
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The 2021 Ford Bronco is an SUV offered with 2 engines (2.3L 4-cyl turbo, 2.7L 6-cyl turbo). Its most fuel-efficient configuration returns around 25 mpg (UK) / 21 mpg (US EPA) combined, with 22–25 mpg (UK) across all configurations. Owners often keep a Ford Bronco workshop manual to hand for servicing and repairs.
Related 2021 listings: Ford Bronco Sport.
Full Specifications
| Engine (most efficient) | 2.3L 4-cyl turbo |
|---|---|
| Engine options | 2.3L 4-cyl turbo · 2.7L 6-cyl turbo |
| Transmission (most efficient) | Manual 7-spd |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Part-time 4-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 25 combined / 24 urban / 26 extra-urban mpg |
| Fuel Economy (US EPA) | 21 combined / 20 city / 22 highway mpg |
| CO₂ Emissions | 265 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,200 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2021 Ford Bronco across 2 engines (2.3L 4-cyl turbo, 2.7L 6-cyl turbo). Combined fuel economy ranges from 18 to 21 mpg (US), or 22 to 25 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 |
|---|---|---|---|---|---|---|
| 2.3L 4-cyl turbo | Automatic (S10) | Part-time 4-Wheel Drive | 22 | 18 (18/18) | 307 | $3,700 |
| 2.3L 4-cyl turbo | Manual 7-spd | Part-time 4-Wheel Drive | 25 | 21 (20/22) | 265 | $3,200 |
| 2.7L 6-cyl turbo | Automatic (S10) | Part-time 4-Wheel Drive | 23 | 19 (18/20) | 287 | $3,950 |
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 Ford Bronco
Running Costs: 2021 Ford Bronco
Covering around 8,000 miles a year in a 2021 Ford Bronco at 25 mpg combined, expect roughly 1,455 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,200 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.
2021 Ford Bronco Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 35 safety recall campaigns that include the 2021 Ford Bronco (as of 6 October 2026). Most affected areas: Back over prevention (8), Fuel system (5), Suspension (4). 1 campaign carried a “do not drive” or “park outside” advisory. A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Engine — campaign 26V468000, reported 20 July 2026. Risk: A short circuit in the engine compartment can create heat or spark, increasing the risk of a fire.
- Suspension — campaign 26V340000, reported 27 May 2026. Risk: A detached control arm can cause a loss of vehicle control, increasing the risk of a crash.
- Structure — campaign 26V299000, reported 12 May 2026. Risk: A detached section of roof can create a road hazard, increasing the risk of a crash.
- Power train — campaign 26V236000, reported 14 April 2026. Risk: Excessive wear of the transmission and transfer case splines may result in a loss of drive power or vehicle rollaway, increasing the risk of a crash.
Showing the 4 most recent of 35 campaigns.
Owners have filed 930 complaints with NHTSA about the 2021 Ford Bronco. The most-reported areas are Electrical system (240), Engine (220), Power train (193). Complaints include 24 reported crashes, 20 reported fires, 19 reported injuries. That is well above the median of 286 complaints across the 6 Ford Bronco model years in our data.
Used-buyer checklist for the 2021 Ford Bronco
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (240 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (220 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Transmission & drivetrain (3 recall campaigns · 193 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Fuel system (5 recall campaigns) — 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 Ford Bronco compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 25 mpg figure is 2 mpg below that average. Its 265 g/km CO₂ figure is 12 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Ford models in our database average about 28 mpg (UK) combined on their most efficient configuration; the 2021 Ford Bronco's 25 mpg is 3 mpg below that make average. Its 265 g/km CO₂ figure is 10 g/km higher than the 255 g/km Ford average.
Of the 6 Ford Bronco model years we cover, the 2021 is the most economical on its best configuration (25 mpg UK combined). See every Ford Bronco 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 2021 Ford Bronco
Frequently Asked Questions
What engine does the 2021 Ford Bronco have?
EPA lists 2 engines for the 2021 Ford Bronco: 2.3L 4-cyl turbo, 2.7L 6-cyl turbo. The most fuel-efficient configuration pairs the 2.3L 4-cyl turbo with a manual 7-spd.
What is the fuel economy of the 2021 Ford Bronco?
The most efficient configuration returns around 25 mpg (UK) combined, or 21 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 22 to 25 mpg.
How much does the 2021 Ford Bronco cost to fuel per year?
The US EPA estimates about $3,200 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 Ford Bronco have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2021 Ford Bronco have any recalls?
NHTSA lists 35 safety recall campaigns that include the 2021 Ford Bronco (as of 6 October 2026). Most affected areas: Back over prevention (8), Fuel system (5), Suspension (4). 1 campaign carried a “do not drive” or “park outside” advisory. 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 Ford Bronco?
Among the 930 owner complaints filed with NHTSA, the most-reported areas are Electrical system (240 complaints), Engine (220 complaints), Power train (193 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Ford Bronco's fuel economy good for an SUV?
It returns around 25 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.