2016 head-to-head · Subcompact Car

2016 BMW i3 vs Cadillac ELR

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
2016 BMW i3Electric
$729/ year to fuel
124 MPGe

RWD · Electric motor (125 kW) · Single-speed · 124 MPGe · 81 mi

✓ Cheaper to run
2016 Cadillac ELRPlug-in hybrid
$1,311/ year to fuel
85 MPGe + 32 MPG

The 2016 BMW i3 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 $729 a year to fuel (124 MPGe), versus $1,311 for the 2016 Cadillac ELR (85 MPGe + 32 MPG). That's roughly $582 a year, or about $2,910 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 i3
  • Cadillac ELR

Side by side

BMW i3Cadillac ELR
$729 Your annual fuel cost $1,311
124 MPGe Combined efficiency 85 MPGe + 32 MPG
137 MPGe City 87 MPGe / 31 MPG
111 MPGe Highway 83 MPGe / 33 MPG
27 kWh Electricity use (kWh/100 mi) 39 kWh
81 mi Driving range 340 mi
— All-electric range 40 mi
84 cu ft Passenger volume 83 cu ft
15 cu ft Cargo volume 11 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 91 g/mi
10/10 EPA fuel economy score 10/10
10/10 EPA greenhouse gas score 10/10
4 hrs Charge time at 240V 5 hrs
Electric Powertrain Plug-in hybrid
Electricity Fuel Premium gas + electricity
Electric motor (125 kW) Engine / motor 1.4L 4-cyl
Single-speed Transmission CVT
RWD Drivetrain FWD

✓ 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 i3 vs Cadillac ELR across model years

  • BMW i3
  • Cadillac ELR

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 Cadillac ELR goes farther between stops: about 340 miles on a full tank and charge, compared with 81 miles for the BMW i3.

Per EPA interior volume figures, the BMW i3 has more cargo space (15 vs. 11 cu ft).

Among 39 2016 subcompact cars, the BMW i3 ranks 1st and the Cadillac ELR 7th for lowest fuel cost.

Because the BMW i3 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 Cadillac ELR; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2016 BMW i3 or the 2016 Cadillac ELR?

Measured by cost to drive, the BMW i3. The BMW i3 is rated 124 MPGe combined and the Cadillac ELR 85 MPGe + 32 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2016 BMW i3 vs. the Cadillac ELR per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $729 for the BMW i3 and $1,311 for the Cadillac ELR.

Which has more range?

The Cadillac ELR: about 340 miles versus 81 miles.

Which has more cargo space?

The BMW i3, with 15 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

BMW i3 vs Cadillac ELR in other years

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