2015 head-to-head · Midsize Car

2015 Cadillac CTS vs Volvo S80

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
$1,938/ year to fuel
24 MPG
✓ Cheaper to run
$1,603/ year to fuel
29 MPG

The 2015 Volvo S80 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,603 a year to fuel (29 MPG), versus $1,938 for the 2015 Cadillac CTS (24 MPG). That's roughly $334 a year, or about $1,670 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

  • Cadillac CTS
  • Volvo S80

Side by side

Cadillac CTSVolvo S80
$1,938 Your annual fuel cost $1,603
24 MPG Combined efficiency 29 MPG
20 MPG City 25 MPG
30 MPG Highway 36 MPG
97 cu ft Passenger volume 98 cu ft
13 cu ft Cargo volume 15 cu ft
374 g/mi Tailpipe CO₂ (g/mi) 310 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 7/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
6-speed automatic Transmission 8-speed automatic
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.

Cadillac CTS vs Volvo S80 across model years

  • Cadillac CTS
  • Volvo S80

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 Volvo S80 has more cargo space (15 vs. 13 cu ft).

Among 69 2015 midsize cars, the Cadillac CTS ranks 43rd and the Volvo S80 23rd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2015 Cadillac CTS or the 2015 Volvo S80?

Measured by cost to drive, the Volvo S80. The Cadillac CTS is rated 24 MPG combined and the Volvo S80 29 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Cadillac CTS vs. the Volvo S80 per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,938 for the Cadillac CTS and $1,603 for the Volvo S80.

Which has more cargo space?

The Volvo S80, with 15 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Cadillac CTS vs Volvo S80 in other years

More 2015 comparisons

Or compare the 2015 Cadillac CTS with anything else:

Keep exploring