2025 head-to-head · Midsize Car

2025 BMW M Plug-in Hybrid vs Cadillac CT5

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
$2,760/ year to fuel
50 MPGe + 14 MPG
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

The 2025 Cadillac CT5 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,760 for the 2025 BMW M Plug-in Hybrid (50 MPGe + 14 MPG). That's roughly $481 a year, or about $2,403 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 M Plug-in Hybrid
  • Cadillac CT5

Side by side

BMW M Plug-in HybridCadillac CT5
$2,760 Your annual fuel cost $2,279
50 MPGe + 14 MPG Combined efficiency 26 MPG
45 MPGe / 12 MPG City 23 MPG
57 MPGe / 17 MPG Highway 32 MPG
59 kWh Electricity use (kWh/100 mi) —
270 mi Driving range —
27 mi All-electric range —
98 cu ft Passenger volume 99 cu ft
13 cu ft Cargo volume 11 cu ft
285 g/mi Tailpipe CO₂ (g/mi) 341 g/mi
5/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
4 hrs Charge time at 240V —
Plug-in hybrid Powertrain Gas
Premium gas + electricity Fuel Premium gasoline
4.4L 8-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 10-speed automatic
AWD 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 M Plug-in Hybrid vs Cadillac CT5 across model years

  • BMW M Plug-in Hybrid
  • Cadillac CT5

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 M Plug-in Hybrid has more cargo space (13 vs. 11 cu ft).

Among 42 2025 midsize cars, the BMW M Plug-in Hybrid ranks 41st and the Cadillac CT5 32nd for lowest fuel cost.

The powertrains differ: the BMW M Plug-in Hybrid is a plug-in hybrid, while the Cadillac CT5 is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2025 BMW M Plug-in Hybrid or the 2025 Cadillac CT5?

Measured by cost to drive, the Cadillac CT5. The BMW M Plug-in Hybrid is rated 50 MPGe + 14 MPG combined and the Cadillac CT5 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 BMW M Plug-in Hybrid vs. the Cadillac CT5 per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,760 for the BMW M Plug-in Hybrid and $2,279 for the Cadillac CT5.

Which has more cargo space?

The BMW M Plug-in Hybrid, with 13 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

BMW M Plug-in Hybrid vs Cadillac CT5 in other years

More 2025 comparisons

Or compare the 2025 BMW M Plug-in Hybrid with anything else:

Keep exploring