---
title: "Honda Odyssey vs Toyota Sienna: Fuel Economy & Gas Costs"
description: "Compare fuel costs: 2015 Honda Odyssey gets 22 MPG combined vs Toyota Sienna's 21 MPG. See annual savings and which minivan costs less to fuel."
canonical: "https://sidekick.vin/answers/honda-odyssey-vs-toyota-sienna-fuel-costs"
type: "qa"
vertical: "fuel"
lastModified: "2026-02-28T14:28:46.059Z"
keywords: ["Honda Odyssey fuel economy", "Toyota Sienna gas mileage", "minivan fuel costs", "Odyssey vs Sienna MPG", "minivan fuel comparison"]
---
# Honda Odyssey vs Toyota Sienna fuel costs?

> **Quick Answer:** The 2015 Honda Odyssey gets 19 city/28 highway/22 combined MPG, while the 2015 Toyota Sienna gets 18 city/25 highway/21 combined. The Odyssey's better fuel economy saves families money over time.

**Category:** fuel
**Question Type:** cost

**Related Questions:**
- Which minivan gets better gas mileage: Honda Odyssey or Toyota Sienna?
- Does the Honda Odyssey cost less to fuel than the Toyota Sienna?
- How much will I save on gas with a Honda Odyssey instead of a Sienna?
- 2015 Honda Odyssey fuel economy vs 2015 Toyota Sienna

---
# Honda Odyssey vs Toyota Sienna Fuel Costs

The **2015 Honda Odyssey gets better fuel economy** than the 2015 Toyota Sienna. This difference adds up quickly for families who drive regularly.

## Fuel Economy Comparison

| Metric | Honda Odyssey | Toyota Sienna |
|---|---|---|
| City MPG | 19 | 18 |
| Highway MPG | 28 | 25 |
| Combined MPG | 22 | 21 |

The Odyssey beats the Sienna in all three categories. On the highway, you'll notice the biggest gap: the Odyssey gets 3 extra miles per gallon.

## What This Means for Your Wallet

If you drive 12,000 miles per year at an average gas price of $3.00 per gallon:

- **2015 Honda Odyssey**: About $1,636 per year for fuel (12,000 miles ÷ 22 MPG × $3.00)
- **2015 Toyota Sienna**: About $1,714 per year for fuel (12,000 miles ÷ 21 MPG × $3.00)

That's a savings of roughly **$78 per year** with the Odyssey. Over five years, that adds up to $390 in fuel savings.

Both minivans use 3.5-liter V6 engines with similar power. The Odyssey just delivers better fuel efficiency without sacrificing performance. The Odyssey also produces more torque (250 pound-feet vs 245), giving you better overall capability.

## Other Cost Advantages of the Odyssey

Beyond fuel economy, the Odyssey has features that reduce ownership costs. The driver seat comes with powered controls standard, while the base Sienna requires manual adjustment. The Odyssey also includes a Magic Seat in the third row that folds with one motion, reducing wear on your back and joints during loading and unloading.

## The Bottom Line

Choose the Odyssey if fuel costs matter to you. The savings per tank won't seem huge, but the gap widens substantially over years of family driving. Combined with other practical features, the Odyssey delivers better value for budget-conscious families.