2027 head-to-head · Midsize & Large SUV vs Minivan
2027 Chevrolet Tahoe Diesel vs Kia Carnival
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 · 3.5L 6-cyl · 8-speed automatic · 21 MPG
The 2027 Kia Carnival is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, it costs about $2,214 a year to fuel (21 MPG), versus $2,312 for the 2027 Chevrolet Tahoe Diesel (24 MPG). That's roughly $98 a year, or about $491 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
- Chevrolet Tahoe Diesel
- Kia Carnival
Side by side
| Chevrolet Tahoe Diesel | Kia Carnival | |
|---|---|---|
| $2,312 | Your annual fuel cost | $2,214 |
| 24 MPG | Combined efficiency | 21 MPG |
| 22 MPG | City | 18 MPG |
| 26 MPG | Highway | 26 MPG |
| 427 g/mi | Tailpipe CO₂ (g/mi) | 428 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Diesel | Powertrain | Gas |
| Diesel | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.5L 6-cyl |
| 10-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.
Chevrolet Tahoe Diesel vs Kia Carnival across model years
- Chevrolet Tahoe Diesel
- Kia Carnival
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 powertrains differ: the Chevrolet Tahoe Diesel is a diesel, while the Kia Carnival is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2027 Chevrolet Tahoe Diesel or the 2027 Kia Carnival?
Measured by cost to drive, the Kia Carnival. The Chevrolet Tahoe Diesel is rated 24 MPG combined and the Kia Carnival 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Chevrolet Tahoe Diesel vs. the Kia Carnival per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,312 for the Chevrolet Tahoe Diesel and $2,214 for the Kia Carnival.
More 2027 comparisons
Chevrolet Tahoe Diesel vs…
Or compare the 2027 Chevrolet Tahoe Diesel with anything else: