2016 Mazda 6 — Full Specifications
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The 2016 Mazda 6 is a saloon/sedan powered by a 2.5L 4-cyl regular gasoline engine. Its most fuel-efficient configuration returns around 36 mpg (UK) / 30 mpg (US EPA) combined, with 35–36 mpg (UK) across all configurations. Owners often keep a Mazda 6 workshop manual to hand for servicing and repairs.
Compared with the 2015 Mazda 6: Fuel economy is essentially unchanged at around 36 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine | 2.5L 4-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 100 cu ft (2,832 L) |
| Luggage Volume (EPA) | 15 cu ft (425 L) |
| Fuel Economy (UK) | 36 combined / 31 urban / 44 extra-urban mpg |
| Fuel Economy (US EPA) | 30 combined / 26 city / 37 highway mpg |
| CO₂ Emissions | 183 g/km |
| EPA Greenhouse Gas Score | 7 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,250 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2016 Mazda 6, all with the 2.5L 4-cyl engine. Combined fuel economy ranges from 29 to 30 mpg (US), or 35 to 36 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 |
|---|---|---|---|---|---|---|
| 2.5L 4-cyl | Automatic (S6) | Front-Wheel Drive | 36 | 30 (26/37) | 183 | $2,250 |
| 2.5L 4-cyl | Manual 6-spd | Front-Wheel Drive | 35 | 29 (25/36) | 190 | $2,300 |
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 100 cubic feet (about 2,832 litres) and luggage volume at 15 cubic feet (about 425 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2016 Mazda 6
Running Costs: 2016 Mazda 6
Covering around 8,000 miles a year in a 2016 Mazda 6 at 36 mpg combined, expect roughly 1,010 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,250 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.
2016 Mazda 6 Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2016 Mazda 6 (as of 6 October 2026). Most affected areas: Steering (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Steering — campaign 17V546000, reported 31 August 2017. Risk: If the wiring becomes damaged, there may be a loss of power steering assist and the deactivation of the passenger air bag, increasing the risk of a crash and the risk of injury in the event of a crash.
Owners have filed 77 complaints with NHTSA about the 2016 Mazda 6. The most-reported areas are Power train (11), Service brakes (11), Electrical system (11). Complaints include 9 reported crashes, 8 reported injuries. That is close to the median of 60 complaints across the 12 Mazda 6 model years in our data.
Used-buyer checklist for the 2016 Mazda 6
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Transmission & drivetrain (11 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Brakes (11 owner complaints) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Electrical system (11 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Steering (1 recall campaign) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
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
Mazda models in our database average about 34 mpg (UK) combined on their most efficient configuration; the 2016 Mazda 6's 36 mpg is 2 mpg above that make average. Its 183 g/km CO₂ figure is 15 g/km lower than the 198 g/km Mazda average.
Of the 12 Mazda 6 model years we cover, the 2016 is the most economical on its best configuration (36 mpg UK combined). See every Mazda 6 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 2016 Mazda 6
Frequently Asked Questions
What engine does the 2016 Mazda 6 have?
It's fitted with a 2.5L 4-cyl regular gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2016 Mazda 6?
The most efficient configuration returns around 36 mpg (UK) combined, or 30 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 35 to 36 mpg.
How much does the 2016 Mazda 6 cost to fuel per year?
The US EPA estimates about $2,250 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 2016 Mazda 6 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2016 Mazda 6 have any recalls?
NHTSA lists 1 safety recall campaign that include the 2016 Mazda 6 (as of 6 October 2026). Most affected areas: Steering (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 2016 Mazda 6?
Among the 77 owner complaints filed with NHTSA, the most-reported areas are Power train (11 complaints), Service brakes (11 complaints), Electrical system (11 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 2016 Mazda 6 have?
EPA measures interior passenger volume at 100 cubic feet (about 2,832 litres) and luggage volume at 15 cubic feet (about 425 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.