Amit's data tools
RunCost
Subcompact Cars · 2017–2027

BMW 430i Coupe

31 MPG The 2027 BMW 430i Coupe is EPA-rated at 31 MPG combined (28 city / 36 highway). Over 15,000 miles a year that is about 484 gallons, $1548 a year in fuel, or $0.103 per mile at $3.20/gal.

Across its full 2017–2027 run it averages 28.2 MPG, improving by 5 MPG over 11 model years.

Combined31MPG · 2027
Cost per mile$0.103at $3.20/gal
Fuel per year$154815,000 miles
Class rank20of 229

Running cost at different fuel prices and mileages

The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.

Fuel pricePer mile10,000 mi/yr15,000 mi/yr20,000 mi/yr
$2.50/gal $0.081 $806 $1210 $1613
$3.00/gal $0.097 $968 $1452 $1935
$3.20/gal $0.103 $1032 $1548 $2065
$3.50/gal $0.113 $1129 $1694 $2258
$4.00/gal $0.129 $1290 $1935 $2581
$4.50/gal $0.145 $1452 $2177 $2903
$5.00/gal $0.161 $1613 $2419 $3226

Every model year

Every model year of the BMW 430i Coupe in the EPA database, averaged across trims.
YearCombinedCityHighwayEPA fuel cost/yrCO₂ g/miTrims
2027 31 MPG2836 $25002851
2026 31 MPG2836 $25002851
2025 31 MPG2836 $25002851
2024 28 MPG2534 $27503121
2023 28 MPG2534 $27503131
2022 28 MPG2534 $27503121
2021 29 MPG2634 $26503041
2020 26 MPG2233.5 $29753392
2019 26 MPG22.533.5 $29753382
2018 26 MPG22.533.5 $29753382
2017 26 MPG2233.5 $29753382

Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.

How it compares in its class

Among the 229 subcompact cars models tracked here, the BMW 430i Coupe ranks 20 on current figures, against a class average of 24.1 MPG.

Closest more-efficient alternatives in the same class: Audi A3 (32), MINI Cooper Hardtop 2 door (32), MINI Cooper Hardtop 4 door (32), MINI Cooper S Hardtop 2 door (32), MINI Cooper S Hardtop 4 door (32).

Tailpipe CO₂ is rated at 285 grams per mile, which works out to roughly 4.3 tonnes a year at 15,000 miles.

Questions

What MPG does the BMW 430i Coupe get?

The 2027 BMW 430i Coupe is rated at 31 MPG combined by the EPA — 28 city and 36 highway. Across all 11 model years in the database it averages 28.2 MPG, ranging from 25 to 31 depending on year and trim.

How much does a BMW 430i Coupe cost in fuel per year?

At 31 MPG and 15,000 miles a year, it burns about 484 gallons — roughly $1548 a year with fuel at $3.20 a gallon, or $0.103 per mile. The EPA's own published annual figure for the 2027 model is $2500.

Has the BMW 430i Coupe become more efficient over time?

Yes. It has gone from 26 MPG in 2017 to 31 in 2027 — an improvement of 5 MPG, or 19% across 11 model years.

Is the BMW 430i Coupe efficient for its class?

It ranks 20 of 229 in the Subcompact Cars class on current figures, against a class average of 24.1 MPG. That is 6.9 better than typical for the class.

EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.

One family of free data tools