2020 Toyota Prius — Full Specifications
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The 2020 Toyota Prius is a hatchback offered with 2 engines (1.5L 4-cyl, 1.8L 4-cyl). Its most fuel-efficient configuration returns around 62 mpg (UK) / 52 mpg (US EPA) combined, with 55–62 mpg (UK) across all configurations. Owners often keep a Toyota Prius workshop manual to hand for servicing and repairs.
Related 2020 listings: Toyota Prius Prime.
Compared with the 2019 Toyota Prius: Fuel economy is essentially unchanged at around 62 mpg (UK) combined. EPA lists new engine options for 2020: 1.5L 4-cyl. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine (most efficient) | 1.8L 4-cyl |
|---|---|
| Engine options | 1.5L 4-cyl · 1.8L 4-cyl |
| Transmission (most efficient) | Automatic (variable gear ratios) |
| Fuel Type | Regular Gasoline |
| Powertrain | Hybrid |
| Drive | Front-Wheel Drive |
| Body Style | Hatchback |
| Passenger Volume (EPA) | 91 cu ft (2,577 L) |
| Luggage Volume (EPA) | 27 cu ft (765 L) |
| Fuel Economy (UK) | 62 combined / 65 urban / 60 extra-urban mpg |
| Fuel Economy (US EPA) | 52 combined / 54 city / 50 highway mpg |
| CO₂ Emissions | 105 g/km |
| EPA Greenhouse Gas Score | 10 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $1,300 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2020 Toyota Prius across 2 engines (1.5L 4-cyl, 1.8L 4-cyl). Combined fuel economy ranges from 46 to 52 mpg (US), or 55 to 62 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 |
|---|---|---|---|---|---|---|
| 1.5L 4-cyl (Hybrid) | Automatic (variable gear ratios) | Front-Wheel Drive | 55 | 46 (48/43) | 120 | $1,450 |
| 1.8L 4-cyl (Hybrid) | Automatic (variable gear ratios) | Front-Wheel Drive | 62 | 52 (54/50) | 105 | $1,300 |
| 1.8L 4-cyl (Hybrid) | Automatic (variable gear ratios) | Part-time 4-Wheel Drive | 60 | 50 (52/48) | 109 | $1,350 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 91 cubic feet (about 2,577 litres) and luggage volume at 27 cubic feet (about 765 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2020 Toyota Prius
Running Costs: 2020 Toyota Prius
Covering around 8,000 miles a year in a 2020 Toyota Prius at 62 mpg combined, expect roughly 587 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $1,300 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.
2020 Toyota Prius Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2020 Toyota Prius (as of 6 October 2026). Most affected areas: Electronic stability control (esc) (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Electronic stability control (esc) — campaign 19V544000, reported 24 July 2019. Risk: Deactivation of the vehicle stability control system or a loss of braking assist increases the risk of a crash.
Owners have filed 30 complaints with NHTSA about the 2020 Toyota Prius. The most-reported areas are Unspecified (5), Service brakes (5), Electrical system (5). Complaints include 11 reported crashes, 6 reported injuries. That is well below the median of 103 complaints across the 16 Toyota Prius model years in our data.
Used-buyer checklist for the 2020 Toyota Prius
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Stability control (1 recall campaign) — Make sure no stability or traction warning light stays on.
- Brakes (5 owner complaints) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Electrical system (5 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Visibility (5 owner complaints) — Check wipers, washers and demisters work properly.
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
Toyota models in our database average about 34 mpg (UK) combined on their most efficient configuration; the 2020 Toyota Prius's 62 mpg is 28 mpg above that make average. Its 105 g/km CO₂ figure is 111 g/km lower than the 216 g/km Toyota average.
Of the 17 Toyota Prius model years we cover, the 2020 ranks 5th for combined fuel economy on its best configuration (62 mpg UK combined, against a high of 68 mpg). See every Toyota Prius 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 Toyota Prius
Frequently Asked Questions
What engine does the 2020 Toyota Prius have?
EPA lists 2 engines for the 2020 Toyota Prius: 1.5L 4-cyl, 1.8L 4-cyl. The most fuel-efficient configuration pairs the 1.8L 4-cyl with a automatic (variable gear ratios).
What is the fuel economy of the 2020 Toyota Prius?
The most efficient configuration returns around 62 mpg (UK) combined, or 52 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 55 to 62 mpg.
How much does the 2020 Toyota Prius cost to fuel per year?
The US EPA estimates about $1,300 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 2020 Toyota Prius have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2020 Toyota Prius have any recalls?
NHTSA lists 1 safety recall campaign that include the 2020 Toyota Prius (as of 6 October 2026). Most affected areas: Electronic stability control (esc) (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 2020 Toyota Prius?
Among the 30 owner complaints filed with NHTSA, the most-reported areas are Unspecified (5 complaints), Service brakes (5 complaints), Electrical system (5 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2020 Toyota Prius have?
EPA measures interior passenger volume at 91 cubic feet (about 2,577 litres) and luggage volume at 27 cubic feet (about 765 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.