This page collects every fuel-economy figure the EPA publishes for the 2016 BMW M235i Convertible. Below you will find the headline combined, city, and highway MPG, the estimated annual fuel cost at three different driving levels, the tailpipe CO₂ emissions, and a full breakdown of the engine and drivetrain. The EPA rates 2 separate variants of this car (different engine, transmission, or drivetrain combinations), and you can compare them side by side in the trims table. If you want to know whether this generation got more or less efficient over the years, the year-over-year table further down covers every model year the EPA has rated.

Key takeaways

  • The most efficient car in the Subcompact Cars class for the 2016 model year is the BMW i3 BEV at 124 MPG.
  • EPA estimates this car costs around $3,750 more in fuel over five years than an average new vehicle of the same model year.
  • Requires premium gasoline, which typically adds about 40 to 60 cents per gallon to the EPA's annual fuel cost estimate.

Fuel economy at a glance

These are the EPA's official ratings for the 2016 BMW M235i Convertible. The numbers come from a standardised laboratory test cycle and are the same figures that appear on the window sticker of every new car. Real-world mileage varies with driving style, weather, fuel quality, and how heavily loaded the car is.

When the EPA tests several variants of the same nameplate (for example, a front-wheel-drive version and an all-wheel-drive version), each gets its own rating. The figures shown here are the headline variant, taken as the configuration with the best combined MPG. The trims table further down covers all 2 variants side by side.

Combined MPG is a 55/45 weighted blend of the city and highway test cycles. The EPA uses it as the single number you can compare across the entire dataset, including hybrids and EVs (which use the equivalent MPGe figure).

Combined MPG 24 MPG
City MPG 20 MPG
Highway MPG 30 MPG
Annual fuel cost $2,900
Tailpipe CO₂ 372 g/mi
Fuel type Premium

How the 2016 BMW M235i Convertible compares

The 2016 BMW M235i Convertible returns 24 combined MPG. Cars in the Subcompact Cars class for the same model year average 28.2 MPG, which puts this car behind the class average by about 15%.

The most efficient car in the Subcompact Cars class for the 2016 model year is the BMW i3 BEV at 124 MPG. The bar chart below puts the BMW M235i Convertible alongside the class best and the class average so you can see the full picture.

For broader context, the average new car of the 2016 model year (across all classes) returns 25.9 MPG. Larger vehicles pull the all-cars average down, so do not use that figure on its own to judge a small car or a hybrid. The full list of the most efficient cars of the 2016 model year is on its own page.

2016 BMW M235i Convertible
24 MPG
Class average, 2016
28.2 MPG
Class best, 2016
124 MPG
Average new car, 2016
25.9 MPG

Trim variants rated for 2016

The EPA rates 2 separate variants of the 2016 BMW M235i Convertible. The differences come from the engine size, transmission type, and drivetrain (front-wheel drive, all-wheel drive, and so on). The same nameplate can land several MPG apart depending on the configuration you actually buy.

Engine and transmission Drive Combined City Highway Annual cost
3L, 6-cyl, turbo, Automatic (S8) Rear-Wheel Drive 24 MPG 20 MPG 30 MPG $2,900
3L, 6-cyl, turbo, Manual 6-spd Rear-Wheel Drive 22 MPG 19 MPG 26 MPG $3,150

Annual fuel cost across driving patterns

The headline annual fuel cost the EPA publishes assumes 15,000 miles of driving per year and a fuel mix of 55% city and 45% highway. The dollar figure is calculated using the EPA's current reference price for premium gasoline, which is $4.61/gallon. EPA updates that reference periodically rather than tracking live pump prices, so treat it as a window-sticker estimate rather than today's pump number.

The table below scales the EPA's number to three common driving patterns. The combined MPG and the reference fuel price stay constant, only the annual mileage changes. To get a current-prices estimate, take your local gas price and multiply by 625 gallons (the car's annual consumption at the rated MPG).

Driving pattern Estimated annual fuel cost
Light driver, 7,500 miles per year $1,450
Average driver, 15,000 miles per year $2,900
Heavy driver, 25,000 miles per year $4,833

Year-over-year MPG for the BMW M235i Convertible

The EPA has rated the BMW M235i Convertible across 2 model years, from 2015 BMW M235i Convertible through 2016 BMW M235i Convertible. The numbers below are the best combined MPG figure the EPA published for each year, which lets you see when the car was at its most efficient and how recent generations stack up.

Combined MPG has stayed in roughly the same range across the run, hovering close to 24 MPG.

Year Combined MPG Open year page
2016 24 MPG this page
2015 25 MPG 2015 BMW M235i Convertible

Compare against other Subcompact Cars for 2016

If you are cross-shopping the 2016 BMW M235i Convertible, the most useful comparison is against the other cars in the Subcompact Cars class for the same model year. The list below shows the highest-MPG peers, ranked from most to least efficient. Click any of them to open its full page.

The BMW i3 BEV leads this group at 124 MPG, 100 MPG ahead of the 2016 BMW M235i Convertible.

Specifications

The 2016 BMW M235i Convertible runs a 3-liter 6-cylinder turbocharged engine paired with a automatic (s8), sending power through rear-wheel drive.

Engine, transmission, and drivetrain together drive most of the variation in fuel economy across trims. A larger engine moves the car with less effort but burns more fuel. A turbo lets a small engine punch above its weight, often without much MPG penalty. All-wheel drive adds traction and weight, and usually costs a couple of MPG compared with two-wheel drive of the same engine.

Vehicle class
Subcompact Cars
Engine
3L 6-cylinder turbocharged
Transmission
Automatic (S8)
Drivetrain
Rear-Wheel Drive
Fuel type
Premium
Annual petroleum use
12.4 barrels per year
Start-stop system
Yes

Common questions about the 2016 BMW M235i Convertible

Quick answers to the questions people most often search for when looking up the 2016 BMW M235i Convertible.

  • Is the 2016 BMW M235i Convertible fuel efficient?
    Not particularly. The 2016 BMW M235i Convertible returns 24 combined MPG, which trails the average car in the Subcompact Cars class for the same model year by about 15%.
  • What MPG does the 2016 BMW M235i Convertible get?
    The EPA rates the 2016 BMW M235i Convertible at 24 combined MPG, 20 MPG in city driving, and 30 MPG on the highway. Real-world numbers depend on your driving style, the weather, and how loaded the car is.
  • How much does it cost to fuel a 2016 BMW M235i Convertible per year?
    The EPA estimates an annual fuel cost of $2,900 for the 2016 BMW M235i Convertible. That figure assumes 15,000 miles of driving per year, a 55% city and 45% highway split, and the EPA's published average fuel price for the rated fuel grade.
  • Does the 2016 BMW M235i Convertible require premium gas?
    Yes. The EPA lists the 2016 BMW M235i Convertible as requiring premium gasoline. Running it on regular can reduce performance and may affect engine warranties, so it is not a recommended way to save at the pump.
  • How much CO₂ does the 2016 BMW M235i Convertible emit?
    Tailpipe CO₂ emissions are 372 g/mi. Multiplied across a typical year of driving (15,000 miles) that works out to about 5,580 kilograms of CO₂.
  • What is the difference between the city and highway MPG of the 2016 BMW M235i Convertible?
    City driving returns 20 MPG and highway driving returns 30 MPG, a gap of 10 MPG. A spread that wide is typical of cars with conventional automatic or manual transmissions, where stop-start city traffic eats more fuel than a steady highway cruise.
  • What engine is in the 2016 BMW M235i Convertible?
    The 2016 BMW M235i Convertible has a 3-liter 6-cylinder turbocharged engine (EPA description: SIDI).
  • What transmission and drivetrain does the 2016 BMW M235i Convertible have?
    The 2016 BMW M235i Convertible comes with a automatic (s8) transmission and rear-wheel drive.
  • How does the 2016 BMW M235i Convertible compare to the best car in its class?
    The most efficient car in the Subcompact Cars class for the 2016 model year is the BMW i3 BEV at 124 combined MPG. The BMW M235i Convertible returns 24 MPG, a gap of 100 MPG. If you are comparing on fuel economy alone, the class leader is worth a look.
  • How much more does the 2016 BMW M235i Convertible cost in fuel compared to an average car?
    The EPA estimates that over five years, the 2016 BMW M235i Convertible will cost about $3,750 more in fuel than an average new vehicle of the same model year. The difference accumulates because the car uses more fuel per mile, not because of any one-off charge at the dealership.

Source: U.S. EPA fuel economy dataset. Annual fuel cost figures assume 15,000 miles of driving per year and a 55% city, 45% highway split. Real-world mileage varies with driving conditions, vehicle maintenance, fuel quality, and driver behaviour.