2020 Bentley Bentayga — Full Specifications
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The 2020 Bentley Bentayga is an SUV offered with 3 engines (3L 6-cyl turbo, 4L 8-cyl turbo, 6L 12-cyl turbo). Its most fuel-efficient configuration returns around 20 mpg (UK) / 17 mpg (US EPA) combined, with 17–23 mpg (UK) across all configurations. A plug-in hybrid version is also listed by EPA (3L 6-cyl turbo), returning around 23 mpg (UK) combined. Owners often keep a Bentley Bentayga workshop manual to hand for servicing and repairs.
Compared with the 2019 Bentley Bentayga: Fuel economy is essentially unchanged at around 20 mpg (UK) combined. EPA lists new engine options for 2020: 3L 6-cyl turbo, 6L 12-cyl turbo.
Full Specifications
| Engine (most efficient) | 4L 8-cyl turbo |
|---|---|
| Engine options | 3L 6-cyl turbo · 4L 8-cyl turbo · 6L 12-cyl turbo |
| Transmission (most efficient) | Automatic (S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 20 combined / 17 urban / 28 extra-urban mpg |
| Fuel Economy (US EPA) | 17 combined / 14 city / 23 highway mpg |
| CO₂ Emissions | 316 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2020 Bentley Bentayga across 3 engines (3L 6-cyl turbo, 4L 8-cyl turbo, 6L 12-cyl turbo). Combined fuel economy ranges from 14 to 19 mpg (US), or 17 to 23 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 (Plug-in Hybrid) | Automatic (S8) | All-Wheel Drive | 23 | 19 (17/21) | 153 | $4,350 |
| 4L 8-cyl turbo | Automatic (S8) | All-Wheel Drive | 20 | 17 (14/23) | 316 | $4,850 |
| 6L 12-cyl turbo | Automatic (S8) | All-Wheel Drive | 17 | 14 (12/17) | 401 | $5,850 |
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 2020 Bentley Bentayga
Running Costs: 2020 Bentley Bentayga
Covering around 8,000 miles a year in a 2020 Bentley Bentayga at 20 mpg combined, expect roughly 1,818 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,850 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.
2020 Bentley Bentayga 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.
How It Compares
How does the Bentley Bentayga compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 20 mpg figure is 7 mpg below that average. Its 316 g/km CO₂ figure is 63 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
At 20 mpg (UK) combined it sits close to the 19 mpg average for Bentley models in our database. Its 316 g/km CO₂ figure is 39 g/km lower than the 355 g/km Bentley average.
Of the 10 Bentley Bentayga model years we cover, the 2020 ranks 3rd for combined fuel economy on its best configuration (20 mpg UK combined, against a high of 22 mpg). See every Bentley Bentayga 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 2020 Bentley Bentayga
Frequently Asked Questions
What engine does the 2020 Bentley Bentayga have?
EPA lists 3 engines for the 2020 Bentley Bentayga: 3L 6-cyl turbo, 4L 8-cyl turbo, 6L 12-cyl turbo. The most fuel-efficient configuration pairs the 4L 8-cyl turbo with a automatic (s8).
What is the fuel economy of the 2020 Bentley Bentayga?
The most efficient configuration returns around 20 mpg (UK) combined, or 17 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 17 to 23 mpg. The plug-in hybrid version returns around 23 mpg (UK) combined.
How much does the 2020 Bentley Bentayga cost to fuel per year?
The US EPA estimates about $4,850 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.
Is the Bentley Bentayga's fuel economy good for an SUV?
It returns around 20 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.