2026 Hyundai Sonata SE vs 2026 Mazda 3 2.5 S

3 mpg better and 17.7″ longer vs $1,900 less. That is the real fork. Key numbers: 191 vs 186 hp, 32 vs 29 MPG.

The short answer

The Sonata SE leads on 3 MPG better, 17.7″ longer. The 3 2.5 S leads on $1,900 less. The spec table compares 5 specifications head to head.

N/A
Price Gap
5 HP
HP Diff
3 MPG
Efficiency Diff
Vehicle A
2026 Hyundai Sonata SE
Starts at $27,450
VS
Vehicle B
2026 Mazda 3 2.5 S
Starts at $25,550

Key Differences at a Glance

Horsepower
191 hp
vs
186 hp
Torque
181 lb-ft
vs
186 lb-ft
Fuel Economy
32 MPG combined
vs
29 MPG combined
Curb Weight
3,232 lbs
vs
3,117 lbs
Fuel Tank
15.9 gal
vs
13.2 gal

What's Actually Different

These two vehicles differ in 5 specifications.

MSRP
$27,450Sonata SE
$25,5503 2.5 S
Horsepower
191 hpSonata SE
186 hp3 2.5 S
Torque
181 lb-ftSonata SE
186 lb-ft3 2.5 S
Transmission
8-speed shiftable automaticSonata SE
6-speed shiftable automatic3 2.5 S
City MPG
28Sonata SE
263 2.5 S
Highway MPG
38Sonata SE
343 2.5 S
Combined MPG
32Sonata SE
293 2.5 S
Fuel Tank
15.9 galSonata SE
13.2 gal3 2.5 S
Curb Weight
3,232 lbsSonata SE
3,117 lbs3 2.5 S
Wheelbase
111.8"Sonata SE
107.3"3 2.5 S
Length
193.3"Sonata SE
175.6"3 2.5 S
Width
73.2"Sonata SE
70.7"3 2.5 S
Height
56.9"Sonata SE
56.7"3 2.5 S
Bumper-to-Bumper
5yr/60kSonata SE
3yr/36k3 2.5 S
Powertrain
10yr/100kSonata SE
5yr/60k3 2.5 S
Corrosion
7yr/unlimitedSonata SE
5yr/unlimited3 2.5 S
Roadside Assistance
5yr/unlimitedSonata SE
3yr/36k3 2.5 S

Full Specification Comparison

Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.

Spec2026 Hyundai Sonata SE2026 Mazda 3 2.5 S
Pricing
MSRP$27,450$25,550
Powertrain
Engine2.5L I42.5L I4
Horsepower191 hp186 hp
Torque181 lb-ft186 lb-ft
Transmission8-speed shiftable automatic6-speed shiftable automatic
DrivetrainFWDFWD
Fuel Economy
City MPG2826
Highway MPG3834
Combined MPG3229
Fuel Tank15.9 gal13.2 gal
Dimensions
Curb Weight3,232 lbs3,117 lbs
Wheelbase111.8"107.3"
Length193.3"175.6"
Width73.2"70.7"
Height56.9"56.7"
Safety
NHTSA Overall5/5 starsNo published data
IIHS AwardTSP+TSP+
Warranty
Bumper-to-Bumper5yr/60k3yr/36k
Powertrain10yr/100k5yr/60k
Corrosion7yr/unlimited5yr/unlimited
Roadside Assistance5yr/unlimited3yr/36k

Frequently Asked Questions

What is the price difference between the 2026 Hyundai Sonata SE and 2026 Mazda 3 2.5 S?

The 2026 Mazda 3 2.5 S starts at $25,550, $1,900 less than the 2026 Hyundai Sonata SE at $27,450. On a 60-month loan that is roughly $33/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2026 Hyundai Sonata SE?

The 2026 Hyundai Sonata SE is the stronger pick when lower running costs matter to you, roughly $136/year less on fuel; you want the larger footprint for passengers or cargo.

Who should choose the 2026 Mazda 3 2.5 S?

The 2026 Mazda 3 2.5 S is the stronger pick when you want to keep $1,900 in your pocket and the 2026 Mazda 3 2.5 S covers your needs; you prefer a smaller vehicle that is easier to park and maneuver.

Which gets better fuel economy, the 2026 Hyundai Sonata SE or 2026 Mazda 3 2.5 S?

The 2026 Hyundai Sonata SE rates 32 combined MPG, 3 MPG ahead.

Which is more powerful, the 2026 Hyundai Sonata SE or 2026 Mazda 3 2.5 S?

The 2026 Hyundai Sonata SE produces 191 hp, 5 more than the 2026 Mazda 3 2.5 S at 186 hp. The 2026 Mazda 3 2.5 S also leads in torque at 186 lb-ft vs 181 lb-ft.

Is the 2026 Hyundai Sonata SE bigger than the 2026 Mazda 3 2.5 S?

The 2026 Hyundai Sonata SE is 17.7″ longer at 193.3″ vs 175.6″. The 2026 Hyundai Sonata SE has a 4.5″ longer wheelbase, which typically means more rear-seat legroom.

How do the warranties compare?

The Hyundai Sonata comes with 5yr/60k bumper-to-bumper and 10yr/100k powertrain. The Mazda 3 offers 3yr/36k bumper-to-bumper and 5yr/60k powertrain. Longer warranty coverage can offset higher maintenance costs over time.

Explore more: Hyundai trims, Hyundai Sonata trims, Mazda trims, Mazda 3 trims

Official sources

How the Sonata and 3 Stack Up

Two midsize sedans, two brands, and a decision that comes down to which one fits your commute and budget. The 2026 Hyundai Sonata SE starts at $27,450; the 2026 Mazda 3 2.5 S at $25,550. The $-1,900 gap is about $33/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.

Powertrain: Sonata vs 3

Both run the same 2.5L I4 engine. The 5 hp difference (191 vs 186) is marginal in daily driving. Both use FWD.

What It Actually Costs to Own

The 2026 Hyundai Sonata SE saves roughly $136/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $680.

Size, Space, and Daily Reality

The 2026 Hyundai Sonata SE is 17.7″ longer, which translates to more room inside but a larger footprint in parking lots and garages.

Which One Should You Buy?

Choose the 2026 Hyundai Sonata SE when lower running costs matter to you, roughly $136/year less on fuel. Choose the 2026 Mazda 3 2.5 S when you want to keep $1,900 in your pocket and the 2026 Mazda 3 2.5 S covers your needs.

Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Hyundai or Mazda or any dealership.

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