2019 head-to-head · Large Car
2019 Cadillac XTS vs Mercedes-Benz S-Class Plug-in Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 3.0L 4-cyl turbo · 9-speed automatic · 64 MPGe + 23 MPG
The 2019 Mercedes-Benz S-Class Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,018 a year to fuel (64 MPGe + 23 MPG), versus $2,114 for the 2019 Cadillac XTS (22 MPG). That's roughly $95 a year, or about $476 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 XTS
- Mercedes-Benz S-Class Plug-in Hybrid
Side by side
| Cadillac XTS | Mercedes-Benz S-Class Plug-in Hybrid | |
|---|---|---|
| $2,114 | Your annual fuel cost | $2,018 |
| 22 MPG | Combined efficiency | 64 MPGe + 23 MPG |
| 19 MPG | City | 58 MPGe / 21 MPG |
| 28 MPG | Highway | 73 MPGe / 26 MPG |
| — | Electricity use (kWh/100 mi) | 53 kWh |
| — | Driving range | 510 mi |
| — | All-electric range | 19 mi |
| 104 cu ft | Passenger volume | 112 cu ft |
| 18 cu ft | Cargo volume | 9 cu ft |
| 408 g/mi | Tailpipe CO₂ (g/mi) | 205 g/mi |
| 4/10 | EPA fuel economy score | 8/10 |
| 4/10 | EPA greenhouse gas score | 9/10 |
| — | Charge time at 240V | 1.3 hrs |
| Gas | Powertrain | Plug-in hybrid |
| Regular gasoline | Fuel | Premium gas + electricity |
| 3.6L 6-cyl | Engine / motor | 3.0L 4-cyl turbo |
| 6-speed automatic | Transmission | 9-speed automatic |
| FWD | 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.
Cadillac XTS vs Mercedes-Benz S-Class Plug-in Hybrid across model years
- Cadillac XTS
- Mercedes-Benz S-Class Plug-in Hybrid
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 Mercedes-Benz S-Class Plug-in Hybrid has more passenger space (112 vs. 104 cu ft); the Cadillac XTS has more cargo space (18 vs. 9 cu ft).
Among 30 2019 large cars, the Cadillac XTS ranks 13th and the Mercedes-Benz S-Class Plug-in Hybrid 9th for lowest fuel cost.
The powertrains differ: the Cadillac XTS is a conventional gas model, while the Mercedes-Benz S-Class Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2019 Cadillac XTS or the 2019 Mercedes-Benz S-Class Plug-in Hybrid?
Measured by cost to drive, the Mercedes-Benz S-Class Plug-in Hybrid. The Cadillac XTS is rated 22 MPG combined and the Mercedes-Benz S-Class Plug-in Hybrid 64 MPGe + 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Cadillac XTS vs. the Mercedes-Benz S-Class Plug-in Hybrid per year?
At 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, about $2,114 for the Cadillac XTS and $2,018 for the Mercedes-Benz S-Class Plug-in Hybrid.
Which has more cargo space?
The Cadillac XTS, with 18 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
Cadillac XTS vs Mercedes-Benz S-Class Plug-in Hybrid in other years
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