2011 Mazda 6 — 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 2011 Mazda 6 is a saloon/sedan offered with 2 engines (2.5L 4-cyl, 3.7L 6-cyl). Its most fuel-efficient configuration returns around 30 mpg (UK) / 25 mpg (US EPA) combined, with 25–30 mpg (UK) across all configurations. Owners often keep a Mazda 6 workshop manual to hand for servicing and repairs.
Compared with the 2010 Mazda 6: Fuel economy is essentially unchanged at around 30 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 2.5L 4-cyl |
|---|---|
| Engine options | 2.5L 4-cyl · 3.7L 6-cyl |
| Transmission (most efficient) | Automatic (S5) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 102 cu ft (2,888 L) |
| Luggage Volume (EPA) | 17 cu ft (481 L) |
| Fuel Economy (UK) | 30 combined / 26 urban / 36 extra-urban mpg |
| Fuel Economy (US EPA) | 25 combined / 22 city / 30 highway mpg |
| CO₂ Emissions | 221 g/km |
| EPA Est. Annual Fuel Cost | $2,700 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2011 Mazda 6 across 2 engines (2.5L 4-cyl, 3.7L 6-cyl). Combined fuel economy ranges from 21 to 25 mpg (US), or 25 to 30 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 (S5) | Front-Wheel Drive | 30 | 25 (22/30) | 221 | $2,700 |
| 2.5L 4-cyl | Manual 6-spd | Front-Wheel Drive | 29 | 24 (21/30) | 230 | $2,800 |
| 3.7L 6-cyl | Automatic (S6) | Front-Wheel Drive | 25 | 21 (18/27) | 263 | $3,200 |
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 102 cubic feet (about 2,888 litres) and luggage volume at 17 cubic feet (about 481 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2011 Mazda 6
Running Costs: 2011 Mazda 6
Covering around 8,000 miles a year in a 2011 Mazda 6 at 30 mpg combined, expect roughly 1,212 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,700 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.
Only need this car occasionally? See our buy vs rent comparison.
2011 Mazda 6 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.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 6 safety recall campaigns that include the 2011 Mazda 6 (as of 6 October 2026). Most affected areas: Air bags (3), Structure (1), Fuel system (1). 3 campaigns 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.
- Air bags — campaign 19V782000, reported 31 October 2019. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Structure — campaign 19V323000, reported 25 April 2019. Risk: Corrosion may weaken the mounting point for the passenger side lower control arm, unexpectedly changing the steering alignment and increasing the risk of a crash.
- Air bags — campaign 18V717000, reported 12 October 2018. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 17V429000, reported 29 June 2017. Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Showing the 4 most recent of 6 campaigns.
Owners have filed 135 complaints with NHTSA about the 2011 Mazda 6. The most-reported areas are Suspension (50), Structure (30), Air bags (28). Complaints include 8 reported crashes, 1 reported fire, 6 reported injuries. That is well above the median of 60 complaints across the 12 Mazda 6 model years in our data.
Used-buyer checklist for the 2011 Mazda 6
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (3 recall campaigns · 28 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Suspension (50 owner complaints) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
- Body structure (1 recall campaign · 30 owner complaints) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Fuel system (1 recall campaign) — 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
Mazda models in our database average about 34 mpg (UK) combined on their most efficient configuration; the 2011 Mazda 6's 30 mpg is 4 mpg below that make average. Its 221 g/km CO₂ figure is 23 g/km higher than the 198 g/km Mazda average.
Of the 12 Mazda 6 model years we cover, the 2011 ranks 9th for combined fuel economy on its best configuration (30 mpg UK combined, against a high of 36 mpg). 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 2011 Mazda 6
Frequently Asked Questions
What engine does the 2011 Mazda 6 have?
EPA lists 2 engines for the 2011 Mazda 6: 2.5L 4-cyl, 3.7L 6-cyl. The most fuel-efficient configuration pairs the 2.5L 4-cyl with a automatic (s5).
What is the fuel economy of the 2011 Mazda 6?
The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 25 to 30 mpg.
How much does the 2011 Mazda 6 cost to fuel per year?
The US EPA estimates about $2,700 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 2011 Mazda 6 have any recalls?
NHTSA lists 6 safety recall campaigns that include the 2011 Mazda 6 (as of 6 October 2026). Most affected areas: Air bags (3), Structure (1), Fuel system (1). 3 campaigns 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 2011 Mazda 6?
Among the 135 owner complaints filed with NHTSA, the most-reported areas are Suspension (50 complaints), Structure (30 complaints), Air bags (28 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 2011 Mazda 6 have?
EPA measures interior passenger volume at 102 cubic feet (about 2,888 litres) and luggage volume at 17 cubic feet (about 481 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.