2025 Mazda CX-30 2.5 Turbo Premium vs 2026 Buick Encore GX Avenir
72 more hp and 136 more lb-ft torque vs $2,340 less and 2 MPG better. That is the real fork. Key numbers: 227 vs 155 hp, 25 vs 27 MPG.
The CX-30 2.5 Turbo Premium leads on 72 more hp, 136 more lb-ft torque. The Encore GX Avenir leads on $2,340 less, 2 MPG better. 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 | 2025 Mazda CX-30 2.5 Turbo Premium | 2026 Buick Encore GX Avenir |
|---|---|---|
| Pricing | ||
| MSRP | $35,340 | $33,000 |
| Powertrain | ||
| Engine | 2.5L I4 Turbo | 1.3L I3 Turbo |
| Horsepower | 227 hp | 155 hp |
| Torque | 310 lb-ft | 174 lb-ft |
| Transmission | 6-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 22 | 26 |
| Highway MPG | 30 | 28 |
| Combined MPG | 25 | 27 |
| Fuel Tank | 12.7 gal | 13.2 gal |
| Dimensions | ||
| Curb Weight | 3,527 lbs | 3,255 lbs |
| Wheelbase | 104.4" | 102.0" |
| Length | 173.0" | 171.2" |
| Width | 70.7" | 71.4" |
| Height | 62.2" | 65.2" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| IIHS Award | TSP+ | No published data |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 5yr/unlimited | 6yr/100k |
| Roadside Assistance | 3yr/36k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2025 Mazda CX-30 2.5 Turbo Premium and 2026 Buick Encore GX Avenir?
The 2026 Buick Encore GX Avenir starts at $33,000, $2,340 less than the 2025 Mazda CX-30 2.5 Turbo Premium at $35,340. On a 60-month loan that is roughly $41/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 Mazda CX-30 2.5 Turbo Premium?
The 2025 Mazda CX-30 2.5 Turbo Premium is the stronger pick when the extra 72 hp matters for your commute or driving style.
Who should choose the 2026 Buick Encore GX Avenir?
The 2026 Buick Encore GX Avenir is the stronger pick when you want to keep $2,340 in your pocket and the 2026 Buick Encore GX Avenir covers your needs; lower running costs matter to you, roughly $124/year less on fuel.
Which gets better fuel economy, the 2025 Mazda CX-30 2.5 Turbo Premium or 2026 Buick Encore GX Avenir?
The 2026 Buick Encore GX Avenir rates 27 combined MPG, 2 MPG ahead.
Which is more powerful, the 2025 Mazda CX-30 2.5 Turbo Premium or 2026 Buick Encore GX Avenir?
The 2025 Mazda CX-30 2.5 Turbo Premium produces 227 hp, 72 more than the 2026 Buick Encore GX Avenir at 155 hp. The 2025 Mazda CX-30 2.5 Turbo Premium also leads in torque at 310 lb-ft vs 174 lb-ft. The 2025 Mazda CX-30 2.5 Turbo Premium runs a 2.5L I4 Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo.
Is the 2025 Mazda CX-30 2.5 Turbo Premium bigger than the 2026 Buick Encore GX Avenir?
The 2025 Mazda CX-30 2.5 Turbo Premium is 1.8″ longer at 173.0″ vs 171.2″. The 2025 Mazda CX-30 2.5 Turbo Premium has a 2.4″ 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: Mazda trims, Mazda CX-30 trims, Buick trims, Buick Encore GX trims
CX-30 vs Encore GX: What This Matchup Is Really About
The 2025 Mazda CX-30 2.5 Turbo Premium and 2026 Buick Encore GX Avenir sit in the compact SUV class, where cargo room, ride comfort, and family-friendly features define the competitive landscape. The $-2,340 gap is about $41/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
Under the Hood
The 2025 Mazda CX-30 2.5 Turbo Premium runs a 2.5L I4 Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo. The 2025 Mazda CX-30 2.5 Turbo Premium has 72 more hp (227 vs 155). You will feel the difference merging, passing, and driving with a full car. The 2025 Mazda CX-30 2.5 Turbo Premium adds 136 more lb-ft of torque (310 vs 174), giving it stronger low-end pull off the line. Both use AWD.
Running Costs: CX-30 vs Encore GX
The 2026 Buick Encore GX Avenir saves roughly $124/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $620.
Bottom Line
Choose the 2025 Mazda CX-30 2.5 Turbo Premium when the extra 72 hp matters for your commute or driving style. Choose the 2026 Buick Encore GX Avenir when you want to keep $2,340 in your pocket and the 2026 Buick Encore GX Avenir 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 Mazda or Buick or any dealership.