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Mazda6

Photo: Mazda6 by Vauxford, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.

Mazda · model year 2005

2005 Mazda 6

Midsize · Front-Wheel Drive · Gas · EPA class: Midsize Cars

EPA figures · 2005fueleconomy.gov
22MPG combined
20/26MPG city / highway
$3,050fuel a year
404 g CO₂ per mile 2.3 L 4-cyl Automatic (S4)
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

The CarCody take

The 2005 Mazda 6 is a front-wheel-drive midsize car with a 2.3 L 4-cylinder gasoline engine and an automatic S4 transmission. Its official EPA fuel economy is 20 MPG in the city, 26 MPG on the highway and 22 MPG combined. The EPA lists annual fuel cost at $3,050 and tailpipe CO2 at 403.95 grams per mile. These figures give buyers a straightforward way to weigh its city and highway consumption alongside its emissions and estimated annual fuel expense. The listed model year is 2005, and the vehicle is identified as the 6, with 6 as its base model. Its gasoline powertrain and midsize-car classification distinguish it from smaller compact cars and from all-wheel-drive entries. The official listing is at https://www.fueleconomy.gov/feg/noframes/20903.shtml.

Good to know

  • 22 MPG combined.
  • 26 MPG highway.
  • Front-wheel drive.
  • Automatic S4 transmission.

Watch for

  • 20 MPG city.
  • EPA annual fuel cost is $3,050.
  • Tailpipe CO2 is 403.95 g/mile.

Who it suits. It suits buyers considering a gasoline midsize car with front-wheel drive and an automatic transmission. Its city, highway and combined MPG figures can help shoppers compare fuel use with their running-cost priorities.

The 2005 Mazda 6 pairs a 2.3 L four-cylinder engine with front-wheel drive and an automatic transmission. Its 22 MPG combined rating and EPA annual fuel cost of $3,050 are central figures for evaluating fuel use.

Overview

The 2005 Mazda 6 is a midsize gasoline car with front-wheel drive and a 2.3-liter four-cylinder engine paired with an automatic S4 transmission. Its EPA fuel economy is 20 mpg in city driving and 26 mpg on the highway, for a combined rating of 22 mpg. The EPA lists tailpipe carbon dioxide emissions at 403.95 grams per mile and estimated annual fuel cost at $3,050 USD.

These figures give buyers a straightforward basis for considering fuel use alongside the car’s size class and powertrain. The city rating is lower than the highway rating, while the combined figure provides a single measure for comparing the car’s official fuel economy with other options.

Key features

  • Vehicle class: Midsize Cars
  • Body: Car
  • Fuel: Gasoline
  • Engine: 2.3 L four-cylinder
  • Drive: Front-wheel drive
  • Transmission: Automatic (S4)

The supplied specification identifies the base model as the 6. It does not include details about equipment, passenger space, cargo capacity, safety features or performance, so those aspects cannot be assessed here.

Who it's for

The 2005 Mazda 6 may suit buyers looking for a midsize gasoline car with front-wheel drive and an automatic transmission, and who want official fuel economy figures to weigh against their expected use. Its EPA estimates indicate 20 mpg in the city, 26 mpg on the highway and 22 mpg combined. The listed annual fuel cost is $3,050 USD, a useful reference point for running-cost comparisons.

For buyers comparing Mazda models, browse Mazda cars. Shoppers considering a different body style or model year can also review the 2026 Mazda 3 4-Door 2WD, 2026 Mazda 3 4-Door 4WD, 2026 Mazda 3 4-Door 4WD, 2026 Mazda 3 5-Door 2WD, 2026 Mazda 3 5-Door 2WD, 2026 Mazda 3 5-Door 4WD, 2026 Mazda 3 5-Door 4WD and 2026 Mazda CX-30 4WD.

Pros and cons

  • Pros: The specification is clear about engine, fuel, drive layout and transmission, and gives separate city, highway and combined EPA economy figures.
  • Cons: The combined rating is 22 mpg, and the listed annual fuel cost is $3,050 USD. The supplied facts do not provide equipment or ownership-condition details to help evaluate other buying considerations.

Verdict

The 2005 Mazda 6 is defined here by a conventional gasoline powertrain: a 2.3-liter four-cylinder engine, front-wheel drive and an automatic S4 transmission. Its official 22 mpg combined rating, 403.95 grams per mile of tailpipe CO2 and $3,050 USD estimated annual fuel cost are the central numbers for running-cost comparisons. Buyers should use those figures as a starting point and consider vehicle condition and equipment separately.

Every figure on record

Efficiency
Combined MPG
22 MPG
City MPG
20 MPG
Highway MPG
26 MPG
Running cost
Annual fuel cost
$3,050
Tailpipe CO₂
404 g per mile
The car
Model year
2005
Body
Car
EPA size class
Midsize Cars
Drive
Front-Wheel Drive
Powertrain
Engine
2.3 L 4-cyl
Transmission
Automatic (S4)
Fuel
Gasoline

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