2021 Mazda 2 — Full Specifications
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The 2021 Mazda 2 is a hatchback powered by a 1.5L 4-cyl regular gasoline engine. Its most fuel-efficient configuration returns around 42 mpg (UK) / 35 mpg (US EPA) combined, with 41–42 mpg (UK) across all configurations. Owners often keep a Mazda 2 workshop manual to hand for servicing and repairs.
Compared with the 2020 Mazda 2: Fuel economy is essentially unchanged at around 42 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine | 1.5L 4-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Hatchback |
| Passenger Volume (EPA) | 87 cu ft (2,464 L) |
| Luggage Volume (EPA) | 16 cu ft (453 L) |
| Fuel Economy (UK) | 42 combined / 38 urban / 48 extra-urban mpg |
| Fuel Economy (US EPA) | 35 combined / 32 city / 40 highway mpg |
| CO₂ Emissions | 157 g/km |
| EPA Greenhouse Gas Score | 7 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $1,900 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2021 Mazda 2, all with the 1.5L 4-cyl engine. Combined fuel economy ranges from 34 to 35 mpg (US), or 41 to 42 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 | Automatic (S6) | Front-Wheel Drive | 42 | 35 (32/40) | 157 | $1,900 |
| 1.5L 4-cyl | Manual 6-spd | Front-Wheel Drive | 41 | 34 (30/39) | 164 | $1,950 |
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 87 cubic feet (about 2,464 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2021 Mazda 2
Running Costs: 2021 Mazda 2
Covering around 8,000 miles a year in a 2021 Mazda 2 at 42 mpg combined, expect roughly 866 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $1,900 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 Mazda 2 Safety Ratings (NHTSA)
How It Compares
Mazda models in our database average about 34 mpg (UK) combined on their most efficient configuration; the 2021 Mazda 2's 42 mpg is 8 mpg above that make average. Its 157 g/km CO₂ figure is 41 g/km lower than the 198 g/km Mazda average.
Of the 10 Mazda 2 model years we cover, the 2021 ranks 2nd for combined fuel economy on its best configuration (42 mpg UK combined, against a high of 43 mpg). See every Mazda 2 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 Mazda 2
Frequently Asked Questions
What engine does the 2021 Mazda 2 have?
It's fitted with a 1.5L 4-cyl regular gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2021 Mazda 2?
The most efficient configuration returns around 42 mpg (UK) combined, or 35 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 41 to 42 mpg.
How much does the 2021 Mazda 2 cost to fuel per year?
The US EPA estimates about $1,900 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 Mazda 2 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
How much interior and luggage space does the 2021 Mazda 2 have?
EPA measures interior passenger volume at 87 cubic feet (about 2,464 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.