2023 head-to-head · Compact Car

2023 BMW 3 Series Plug-in Hybrid vs Porsche Taycan

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
$1,754/ year to fuel
73 MPGe + 27 MPG
✓ Cheaper to run
$1,094/ year to fuel
82 MPGe

The 2023 Porsche Taycan 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 $1,094 a year to fuel (82 MPGe), versus $1,754 for the 2023 BMW 3 Series Plug-in Hybrid (73 MPGe + 27 MPG). That's roughly $661 a year, or about $3,304 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 Plug-in Hybrid
  • Porsche Taycan

Side by side

BMW 3 Series Plug-in HybridPorsche Taycan
$1,754 Your annual fuel cost $1,094
73 MPGe + 27 MPG Combined efficiency 82 MPGe
69 MPGe / 24 MPG City 82 MPGe
78 MPGe / 32 MPG Highway 82 MPGe
48 kWh Electricity use (kWh/100 mi) 40.5 kWh
310 mi Driving range 206 mi
22 mi All-electric range —
94 cu ft Passenger volume 89 cu ft
9 cu ft Cargo volume 12 cu ft
158 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
7/10 EPA fuel economy score 10/10
9/10 EPA greenhouse gas score 10/10
3 hrs Charge time at 240V 9.5 hrs
Plug-in hybrid Powertrain Electric
Premium gas + electricity Fuel Electricity
2.0L 4-cyl turbo Engine / motor Electric motors (420 kW)
8-speed automatic Transmission 2-speed automatic
RWD Drivetrain AWD

✓ 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 Plug-in Hybrid vs Porsche Taycan across model years

  • BMW 3 Series Plug-in Hybrid
  • Porsche Taycan

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

The BMW 3 Series Plug-in Hybrid goes farther between stops: about 310 miles on a full tank and charge, compared with 206 miles for the Porsche Taycan.

Per EPA interior volume figures, the BMW 3 Series Plug-in Hybrid has more passenger space (94 vs. 89 cu ft); the Porsche Taycan has more cargo space (12 vs. 9 cu ft).

Among 31 2023 compact cars, the BMW 3 Series Plug-in Hybrid ranks 13th and the Porsche Taycan 2nd for lowest fuel cost.

Because the Porsche Taycan is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the BMW 3 Series Plug-in Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2023 BMW 3 Series Plug-in Hybrid or the 2023 Porsche Taycan?

Measured by cost to drive, the Porsche Taycan. The BMW 3 Series Plug-in Hybrid is rated 73 MPGe + 27 MPG combined and the Porsche Taycan 82 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 BMW 3 Series Plug-in Hybrid vs. the Porsche Taycan per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,754 for the BMW 3 Series Plug-in Hybrid and $1,094 for the Porsche Taycan.

Which has more range?

The BMW 3 Series Plug-in Hybrid: about 310 miles versus 206 miles.

Which has more cargo space?

The Porsche Taycan, with 12 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).

BMW 3 Series Plug-in Hybrid vs Porsche Taycan in other years

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