2021 Lincoln Navigator — 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 Lincoln Navigator is an SUV powered by a 3.5L 6-cyl turbo regular gasoline engine. Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 20–22 mpg (UK) across all configurations. Owners often keep a Lincoln Navigator workshop manual to hand for servicing and repairs.
Compared with the 2020 Lincoln Navigator: Fuel economy is essentially unchanged at around 22 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine | 3.5L 6-cyl turbo |
|---|---|
| Transmission | Automatic (S10) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 22 combined / 19 urban / 26 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 16 city / 22 highway mpg |
| CO₂ Emissions | 302 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,700 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2021 Lincoln Navigator, all with the 3.5L 6-cyl turbo engine. Combined fuel economy ranges from 17 to 18 mpg (US), or 20 to 22 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 turbo | Automatic (S10) | Part-time 4-Wheel Drive | 20 | 17 (16/20) | 316 | $3,950 |
| 3.5L 6-cyl turbo | Automatic (S10) | Rear-Wheel Drive | 22 | 18 (16/22) | 302 | $3,700 |
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 Lincoln Navigator
Running Costs: 2021 Lincoln Navigator
Covering around 8,000 miles a year in a 2021 Lincoln Navigator at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,700 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 Lincoln Navigator Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 12 safety recall campaigns that include the 2021 Lincoln Navigator (as of 6 October 2026). Most affected areas: Visibility (3), Back over prevention (2), Equipment (2). 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.
- Power train — campaign 26V402000, reported 24 June 2026. Risk: Park system damage may result in a vehicle rollaway, increasing the risk of a crash.
- Seat belts — campaign 26V344000, reported 27 May 2026. Risk: Seat belts that do not retract or extend can fail to restrain an occupant as intended, increasing the risk of injury in a crash.
- Visibility — campaign 26V204000, reported 31 March 2026. Risk: Windshield wiper failure can reduce visibility, increasing the risk of a crash.
- Visibility — campaign 25V729000, reported 24 October 2025. Risk: A detached wind deflector can become a road hazard and increase the risk of a crash.
Showing the 4 most recent of 12 campaigns.
Owners have filed 33 complaints with NHTSA about the 2021 Lincoln Navigator. The most-reported areas are Engine (8), Power train (6), Fuel/propulsion system (4). Complaints include 2 reported crashes. That is well above the median of 19 complaints across the 16 Lincoln Navigator model years in our data.
Used-buyer checklist for the 2021 Lincoln Navigator
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Visibility (3 recall campaigns) — Check wipers, washers and demisters work properly.
- Transmission & drivetrain (1 recall campaign · 6 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Engine (8 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Fuel system (8 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 Lincoln Navigator compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 22 mpg figure is 5 mpg below that average. Its 302 g/km CO₂ figure is 49 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Lincoln models in our database average about 25 mpg (UK) combined on their most efficient configuration; the 2021 Lincoln Navigator's 22 mpg is 3 mpg below that make average. Its 302 g/km CO₂ figure is 37 g/km higher than the 265 g/km Lincoln average.
Of the 17 Lincoln Navigator model years we cover, the 2021 ranks 6th for combined fuel economy on its best configuration (22 mpg UK combined, against a high of 23 mpg). See every Lincoln Navigator 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 Lincoln Navigator
Frequently Asked Questions
What engine does the 2021 Lincoln Navigator have?
It's fitted with a 3.5L 6-cyl turbo regular gasoline engine, paired with a automatic (s10) transmission.
What is the fuel economy of the 2021 Lincoln Navigator?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 20 to 22 mpg.
How much does the 2021 Lincoln Navigator cost to fuel per year?
The US EPA estimates about $3,700 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 Lincoln Navigator have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2021 Lincoln Navigator have any recalls?
NHTSA lists 12 safety recall campaigns that include the 2021 Lincoln Navigator (as of 6 October 2026). Most affected areas: Visibility (3), Back over prevention (2), Equipment (2). 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 Lincoln Navigator?
Among the 33 owner complaints filed with NHTSA, the most-reported areas are Engine (8 complaints), Power train (6 complaints), Fuel/propulsion system (4 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Lincoln Navigator's fuel economy good for an SUV?
It returns around 22 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.