2024 Honda Civic EX vs 2026 Mazda 3 2.5 S Select Sport
On paper, the 2024 Honda Civic EX wins on 7 MPG better, 8.4″ longer. The 2026 Mazda 3 2.5 S Select Sport has to win you at the dealer. Key numbers: 180 vs 186 hp, 36 vs 29 MPG.
The Civic EX leads on 7 MPG better, 8.4″ longer. The spec table compares 6 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 6 specifications.
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.
| Spec | 2024 Honda Civic EX | 2026 Mazda 3 2.5 S Select Sport |
|---|---|---|
| Pricing | ||
| MSRP | $26,950 | $26,740 |
| Powertrain | ||
| Engine | 1.5L I4 Turbo | 2.5L I4 |
| Horsepower | 180 hp | 186 hp |
| Torque | 177 lb-ft | 186 lb-ft |
| Transmission | continuously variable-speed automatic | 6-speed shiftable automatic |
| Drivetrain | FWD | FWD |
| Fuel Economy | ||
| City MPG | 33 | 26 |
| Highway MPG | 42 | 34 |
| Combined MPG | 36 | 29 |
| Fuel Tank | 12.4 gal | 13.2 gal |
| Dimensions | ||
| Curb Weight | 3,004 lbs | 3,117 lbs |
| Wheelbase | 107.7" | 107.3" |
| Length | 184.0" | 175.6" |
| Width | 70.9" | 70.7" |
| Height | 55.7" | 56.7" |
| Safety | ||
| NHTSA Overall | 5/5 stars | No published data |
| IIHS Award | TSP+ | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 5yr/unlimited | 5yr/unlimited |
| Roadside Assistance | 3yr/36k | 3yr/36k |
Frequently Asked Questions
What is the price difference between the 2024 Honda Civic EX and 2026 Mazda 3 2.5 S Select Sport?
The 2026 Mazda 3 2.5 S Select Sport starts at $26,740, $210 less than the 2024 Honda Civic EX at $26,950. That gap is small enough that monthly payments are nearly identical. Focus on which vehicle fits your life, not the sticker.
Who should choose the 2024 Honda Civic EX?
The 2024 Honda Civic EX is the stronger pick when lower running costs matter to you, roughly $281/year less on fuel.
Who should choose the 2026 Mazda 3 2.5 S Select Sport?
The 2026 Mazda 3 2.5 S Select Sport is the stronger pick when you want to keep $210 in your pocket and the 2026 Mazda 3 2.5 S Select Sport covers your needs.
Which gets better fuel economy, the 2024 Honda Civic EX or 2026 Mazda 3 2.5 S Select Sport?
The 2024 Honda Civic EX rates 36 combined MPG, 7 MPG ahead.
Which is more powerful, the 2024 Honda Civic EX or 2026 Mazda 3 2.5 S Select Sport?
The 2026 Mazda 3 2.5 S Select Sport produces 186 hp, 6 more than the 2024 Honda Civic EX at 180 hp. The 2026 Mazda 3 2.5 S Select Sport also leads in torque at 186 lb-ft vs 177 lb-ft. The 2024 Honda Civic EX runs a 1.5L I4 Turbo; the 2026 Mazda 3 2.5 S Select Sport uses a 2.5L I4.
Is the 2024 Honda Civic EX bigger than the 2026 Mazda 3 2.5 S Select Sport?
The 2024 Honda Civic EX is 8.4″ longer at 184.0″ vs 175.6″. The 2024 Honda Civic EX has a 0.4″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
Both offer similar warranty coverage: 3yr/36k bumper-to-bumper and 5yr/60k powertrain.
Explore more: Honda trims, Honda Civic trims, Mazda trims, Mazda 3 trims
The Civic–3 Decision
Shopping compact cars means the Civic and 3 will likely end up on the same test-drive day. Here is what the numbers say before you get behind the wheel. The $-210 price gap works out to less than $10/month on a typical loan, so the cost difference is negligible. Pick on fit, not on price.
What Powers Each Vehicle
The 2024 Honda Civic EX runs a 1.5L I4 Turbo; the 2026 Mazda 3 2.5 S Select Sport uses a 2.5L I4. The 6 hp difference (186 vs 180) is marginal in daily driving. Both use FWD.
The Ownership Math
The 2024 Honda Civic EX saves roughly $281/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,405.
The Decision
Choose the 2024 Honda Civic EX when lower running costs matter to you, roughly $281/year less on fuel. Choose the 2026 Mazda 3 2.5 S Select Sport when you want to keep $210 in your pocket and the 2026 Mazda 3 2.5 S Select Sport 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 Honda or Mazda or any dealership.