2026 Mazda CX-30 2.5 Turbo Aire Edition vs 2026 Buick Encore GX Avenir

72 more hp and 136 more lb-ft torque vs $1,410 less and 2 MPG better. That is the real fork. Key numbers: 227 vs 155 hp, 25 vs 27 MPG.

The short answer

The CX-30 2.5 Turbo Aire Edition leads on 72 more hp, 136 more lb-ft torque. The Encore GX Avenir leads on $1,410 less, 2 MPG better. The spec table compares 6 specifications head to head.

N/A
Price Gap
72 HP
HP Diff
2 MPG
Efficiency Diff
Vehicle A
2026 Mazda CX-30 2.5 Turbo Aire Edition
Starts at $34,410
VS
Vehicle B
2026 Buick Encore GX Avenir
Starts at $33,000

Key Differences at a Glance

Engine
2.5L I4 Turbo
vs
1.3L I3 Turbo
Horsepower
227 hp
vs
155 hp
Torque
310 lb-ft
vs
174 lb-ft
Fuel Economy
25 MPG combined
vs
27 MPG combined
Curb Weight
3,527 lbs
vs
3,255 lbs

What's Actually Different

These two vehicles differ in 6 specifications.

MSRP
$34,410CX-30 2.5 Turbo Aire Edition
$33,000Encore GX Avenir
Engine
2.5L I4 TurboCX-30 2.5 Turbo Aire Edition
1.3L I3 TurboEncore GX Avenir
Horsepower
227 hpCX-30 2.5 Turbo Aire Edition
155 hpEncore GX Avenir
Torque
310 lb-ftCX-30 2.5 Turbo Aire Edition
174 lb-ftEncore GX Avenir
Transmission
6-speed shiftable automaticCX-30 2.5 Turbo Aire Edition
9-speed shiftable automaticEncore GX Avenir
City MPG
22CX-30 2.5 Turbo Aire Edition
26Encore GX Avenir
Highway MPG
30CX-30 2.5 Turbo Aire Edition
28Encore GX Avenir
Combined MPG
25CX-30 2.5 Turbo Aire Edition
27Encore GX Avenir
Fuel Tank
12.7 galCX-30 2.5 Turbo Aire Edition
13.2 galEncore GX Avenir
Curb Weight
3,527 lbsCX-30 2.5 Turbo Aire Edition
3,255 lbsEncore GX Avenir
Wheelbase
104.4"CX-30 2.5 Turbo Aire Edition
102.0"Encore GX Avenir
Length
173.0"CX-30 2.5 Turbo Aire Edition
171.2"Encore GX Avenir
Width
70.7"CX-30 2.5 Turbo Aire Edition
71.4"Encore GX Avenir
Height
61.4"CX-30 2.5 Turbo Aire Edition
65.2"Encore GX Avenir
Corrosion
5yr/unlimitedCX-30 2.5 Turbo Aire Edition
6yr/100kEncore GX Avenir
Roadside Assistance
3yr/36kCX-30 2.5 Turbo Aire Edition
5yr/60kEncore GX Avenir

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 Mazda CX-30 2.5 Turbo Aire Edition2026 Buick Encore GX Avenir
Pricing
MSRP$34,410$33,000
Powertrain
Engine2.5L I4 Turbo1.3L I3 Turbo
Horsepower227 hp155 hp
Torque310 lb-ft174 lb-ft
Transmission6-speed shiftable automatic9-speed shiftable automatic
DrivetrainAWDAWD
Fuel Economy
City MPG2226
Highway MPG3028
Combined MPG2527
Fuel Tank12.7 gal13.2 gal
Dimensions
Curb Weight3,527 lbs3,255 lbs
Wheelbase104.4"102.0"
Length173.0"171.2"
Width70.7"71.4"
Height61.4"65.2"
Safety
NHTSA Overall5/5 stars5/5 stars
IIHS AwardTSP+No published data
Warranty
Bumper-to-Bumper3yr/36k3yr/36k
Powertrain5yr/60k5yr/60k
Corrosion5yr/unlimited6yr/100k
Roadside Assistance3yr/36k5yr/60k

Frequently Asked Questions

What is the price difference between the 2026 Mazda CX-30 2.5 Turbo Aire Edition and 2026 Buick Encore GX Avenir?

The 2026 Buick Encore GX Avenir starts at $33,000, $1,410 less than the 2026 Mazda CX-30 2.5 Turbo Aire Edition at $34,410. On a 60-month loan that is roughly $25/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2026 Mazda CX-30 2.5 Turbo Aire Edition?

The 2026 Mazda CX-30 2.5 Turbo Aire Edition 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 $1,410 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 2026 Mazda CX-30 2.5 Turbo Aire Edition or 2026 Buick Encore GX Avenir?

The 2026 Buick Encore GX Avenir rates 27 combined MPG, 2 MPG ahead.

Which is more powerful, the 2026 Mazda CX-30 2.5 Turbo Aire Edition or 2026 Buick Encore GX Avenir?

The 2026 Mazda CX-30 2.5 Turbo Aire Edition produces 227 hp, 72 more than the 2026 Buick Encore GX Avenir at 155 hp. The 2026 Mazda CX-30 2.5 Turbo Aire Edition also leads in torque at 310 lb-ft vs 174 lb-ft. The 2026 Mazda CX-30 2.5 Turbo Aire Edition runs a 2.5L I4 Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo.

Is the 2026 Mazda CX-30 2.5 Turbo Aire Edition bigger than the 2026 Buick Encore GX Avenir?

The 2026 Mazda CX-30 2.5 Turbo Aire Edition is 1.8″ longer at 173.0″ vs 171.2″. The 2026 Mazda CX-30 2.5 Turbo Aire Edition 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

Official sources

CX-30 vs Encore GX: What This Matchup Is Really About

The 2026 Mazda CX-30 2.5 Turbo Aire Edition 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 $-1,410 gap is about $25/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.

Under the Hood

The 2026 Mazda CX-30 2.5 Turbo Aire Edition runs a 2.5L I4 Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo. The 2026 Mazda CX-30 2.5 Turbo Aire Edition has 72 more hp (227 vs 155). You will feel the difference merging, passing, and driving with a full car. The 2026 Mazda CX-30 2.5 Turbo Aire Edition 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 2026 Mazda CX-30 2.5 Turbo Aire Edition when the extra 72 hp matters for your commute or driving style. Choose the 2026 Buick Encore GX Avenir when you want to keep $1,410 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.

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