2026 Honda Civic LX vs 2025 Mazda 3 2.5 S
On paper, the 2025 Mazda 3 2.5 S wins on $545 less, 41 more hp, 53 more lb-ft torque. The 2026 Honda Civic LX has to win you at the dealer. Key numbers: 150 vs 191 hp, 36 vs 31 MPG.
The Civic LX leads on 5 MPG better. The 3 2.5 S leads on $545 less, 41 more hp. 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 | 2026 Honda Civic LX | 2025 Mazda 3 2.5 S |
|---|---|---|
| Pricing | ||
| MSRP | $24,695 | $24,150 |
| Powertrain | ||
| Engine | 2.0L I4 | 2.5L I4 |
| Horsepower | 150 hp | 191 hp |
| Torque | 133 lb-ft | 186 lb-ft |
| Transmission | continuously variable-speed automatic | 6-speed shiftable automatic |
| Drivetrain | FWD | FWD |
| Fuel Economy | ||
| City MPG | 32 | 27 |
| Highway MPG | 41 | 37 |
| Combined MPG | 36 | 31 |
| Fuel Tank | 12.4 gal | 13.2 gal |
| Dimensions | ||
| Curb Weight | 2,875 lbs | 3,124 lbs |
| Wheelbase | 107.7" | 107.3" |
| Length | 184.8" | 183.5" |
| Width | 70.9" | 70.7" |
| Height | 55.7" | 56.9" |
| 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 2026 Honda Civic LX and 2025 Mazda 3 2.5 S?
The 2025 Mazda 3 2.5 S starts at $24,150, $545 less than the 2026 Honda Civic LX at $24,695. On a 60-month loan that is roughly $10/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Honda Civic LX?
The 2026 Honda Civic LX is the stronger pick when lower running costs matter to you, roughly $188/year less on fuel.
Who should choose the 2025 Mazda 3 2.5 S?
The 2025 Mazda 3 2.5 S is the stronger pick when you want to keep $545 in your pocket and the 2025 Mazda 3 2.5 S covers your needs; the extra 41 hp matters for your commute or driving style.
Which gets better fuel economy, the 2026 Honda Civic LX or 2025 Mazda 3 2.5 S?
The 2026 Honda Civic LX rates 36 combined MPG, 5 MPG ahead.
Which is more powerful, the 2026 Honda Civic LX or 2025 Mazda 3 2.5 S?
The 2025 Mazda 3 2.5 S produces 191 hp, 41 more than the 2026 Honda Civic LX at 150 hp. The 2025 Mazda 3 2.5 S also leads in torque at 186 lb-ft vs 133 lb-ft. The 2026 Honda Civic LX runs a 2.0L I4; the 2025 Mazda 3 2.5 S uses a 2.5L I4.
Is the 2026 Honda Civic LX bigger than the 2025 Mazda 3 2.5 S?
The 2026 Honda Civic LX is 1.3″ longer at 184.8″ vs 183.5″. The 2026 Honda Civic LX 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
- 2026 Honda Civic LX Safety Ratings (NHTSA)
- 2025 Mazda 3 2.5 S Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
How the Civic and 3 Stack Up
Two compact cars, two brands, and a decision that comes down to which one fits your commute and budget. The 2026 Honda Civic LX starts at $24,695; the 2025 Mazda 3 2.5 S at $24,150. The $-545 gap is about $10/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
Powertrain: Civic vs 3
The 2026 Honda Civic LX runs a 2.0L I4; the 2025 Mazda 3 2.5 S uses a 2.5L I4. The 2025 Mazda 3 2.5 S has 41 more hp (191 vs 150), enough to notice on highway on-ramps and when passing. The 2025 Mazda 3 2.5 S adds 53 more lb-ft of torque (186 vs 133), giving it stronger low-end pull off the line. Both use FWD.
What It Actually Costs to Own
The 2026 Honda Civic LX saves roughly $188/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $940.
Which One Should You Buy?
Choose the 2026 Honda Civic LX when lower running costs matter to you, roughly $188/year less on fuel. Choose the 2025 Mazda 3 2.5 S when you want to keep $545 in your pocket and the 2025 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 Honda or Mazda or any dealership.