2022 head-to-head · Compact Car

2022 BMW 3 Series vs Cadillac CT4

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,975/ year to fuel
30 MPG
✓ Cheaper to run
$2,194/ year to fuel
27 MPG

The 2022 BMW 3 Series is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,194 for the 2022 Cadillac CT4 (27 MPG). That's roughly $219 a year, or about $1,097 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • BMW 3 Series
  • Cadillac CT4

Side by side

BMW 3 SeriesCadillac CT4
$1,975 Your annual fuel cost $2,194
30 MPG Combined efficiency 27 MPG
26 MPG City 23 MPG
36 MPG Highway 34 MPG
94 cu ft Passenger volume 90 cu ft
13 cu ft Cargo volume 11 cu ft
298 g/mi Tailpipe CO₂ (g/mi) 331 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 8-speed automatic
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

BMW 3 Series vs Cadillac CT4 across model years

  • BMW 3 Series
  • Cadillac CT4

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the BMW 3 Series has more passenger space (94 vs. 90 cu ft); the BMW 3 Series has more cargo space (13 vs. 11 cu ft).

Among 33 2022 compact cars, the BMW 3 Series ranks 17th and the Cadillac CT4 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2022 BMW 3 Series or the 2022 Cadillac CT4?

Measured by cost to drive, the BMW 3 Series. The BMW 3 Series is rated 30 MPG combined and the Cadillac CT4 27 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2022 BMW 3 Series vs. the Cadillac CT4 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $1,975 for the BMW 3 Series and $2,194 for the Cadillac CT4.

Which has more cargo space?

The BMW 3 Series, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

BMW 3 Series vs Cadillac CT4 in other years

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