2018 head-to-head · Special Purpose Vehicle
2018 Cadillac XTS Limo vs Ram Promaster City
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 3.6L 6-cyl · 6-speed automatic · 17 MPG
FWD · 2.4L 4-cyl · 9-speed automatic · 24 MPG
The 2018 Ram Promaster City is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel (24 MPG), versus $2,735 for the 2018 Cadillac XTS Limo (17 MPG). That's roughly $798 a year, or about $3,989 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 Limo
- Ram Promaster City
Side by side
| Cadillac XTS Limo | Ram Promaster City | |
|---|---|---|
| $2,735 | Your annual fuel cost | $1,938 |
| 17 MPG | Combined efficiency | 24 MPG |
| 15 MPG | City | 21 MPG |
| 21 MPG | Highway | 28 MPG |
| 104 cu ft | Passenger volume | — |
| 18 cu ft | Cargo volume | — |
| 525 g/mi | Tailpipe CO₂ (g/mi) | 374 g/mi |
| 3/10 | EPA fuel economy score | 5/10 |
| 3/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 3.6L 6-cyl | Engine / motor | 2.4L 4-cyl |
| 6-speed automatic | Transmission | 9-speed automatic |
| FWD | 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 XTS Limo vs Ram Promaster City across model years
- Cadillac XTS Limo
- Ram Promaster City
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
Among 9 2018 special purpose vehicles, the Cadillac XTS Limo ranks 8th and the Ram Promaster City 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Cadillac XTS Limo or the 2018 Ram Promaster City?
Measured by cost to drive, the Ram Promaster City. The Cadillac XTS Limo is rated 17 MPG combined and the Ram Promaster City 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Cadillac XTS Limo vs. the Ram Promaster City per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,735 for the Cadillac XTS Limo and $1,938 for the Ram Promaster City.
Cadillac XTS Limo vs Ram Promaster City in other years
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