2026 Chevrolet Trax ACTIV vs 2026 Buick Encore GX Avenir

$7,700 less and 2 mpg better vs AWD. That is the real fork. Key numbers: $7,700 price gap, 137 vs 155 hp, 29 vs 27 MPG.

The short answer

The Trax ACTIV leads on $7,700 less, 2 MPG better. The Encore GX Avenir leads on AWD. The spec table compares 6 specifications head to head.

$7,700
Price Gap
18 HP
HP Diff
2 MPG
Efficiency Diff
Lower price
2026 Chevrolet Trax ACTIV
Starts at $25,300
VS
Higher price
2026 Buick Encore GX Avenir
Starts at $33,000

Key Differences at a Glance

Engine
1.2L I3 flex-fuel Turbo
vs
1.3L I3 Turbo
Horsepower
137 hp
vs
155 hp
Torque
162 lb-ft
vs
174 lb-ft
Drivetrain
FWD
vs
AWD
Fuel Economy
29 MPG combined
vs
27 MPG combined

What's Actually Different

These two vehicles differ in 6 specifications.

MSRP
$25,300Trax ACTIV
$33,000Encore GX Avenir
Engine
1.2L I3 flex-fuel TurboTrax ACTIV
1.3L I3 TurboEncore GX Avenir
Horsepower
137 hpTrax ACTIV
155 hpEncore GX Avenir
Torque
162 lb-ftTrax ACTIV
174 lb-ftEncore GX Avenir
Transmission
6-speed shiftable automaticTrax ACTIV
9-speed shiftable automaticEncore GX Avenir
Drivetrain
FWDTrax ACTIV
AWDEncore GX Avenir
City MPG
28Trax ACTIV
26Encore GX Avenir
Highway MPG
31Trax ACTIV
28Encore GX Avenir
Combined MPG
29Trax ACTIV
27Encore GX Avenir
Curb Weight
3,036 lbsTrax ACTIV
3,255 lbsEncore GX Avenir
Wheelbase
106.0"Trax ACTIV
102.0"Encore GX Avenir
Length
178.6"Trax ACTIV
171.2"Encore GX Avenir
Width
71.8"Trax ACTIV
71.4"Encore GX Avenir
Height
61.7"Trax ACTIV
65.2"Encore 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 Chevrolet Trax ACTIV2026 Buick Encore GX Avenir
Pricing
MSRP$25,300$33,000
Powertrain
Engine1.2L I3 flex-fuel Turbo1.3L I3 Turbo
Horsepower137 hp155 hp
Torque162 lb-ft174 lb-ft
Transmission6-speed shiftable automatic9-speed shiftable automatic
DrivetrainFWDAWD
Fuel Economy
City MPG2826
Highway MPG3128
Combined MPG2927
Fuel Tank13.2 gal13.2 gal
Annual Fuel Cost (EPA)$1,500/yrNo published data
Dimensions
Curb Weight3,036 lbs3,255 lbs
Wheelbase106.0"102.0"
Length178.6"171.2"
Width71.8"71.4"
Height61.7"65.2"
Safety
NHTSA OverallNo published data5/5 stars
Warranty
Bumper-to-Bumper3yr/36k3yr/36k
Powertrain5yr/60k5yr/60k
Corrosion6yr/100k6yr/100k
Roadside Assistance5yr/60k5yr/60k

Frequently Asked Questions

What is the price difference between the 2026 Chevrolet Trax ACTIV and 2026 Buick Encore GX Avenir?

The 2026 Chevrolet Trax ACTIV starts at $25,300, $7,700 less than the 2026 Buick Encore GX Avenir at $33,000. On a 60-month loan that is roughly $135/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2026 Chevrolet Trax ACTIV?

The 2026 Chevrolet Trax ACTIV is the stronger pick when you want to keep $7,700 in your pocket and the 2026 Chevrolet Trax ACTIV covers your needs; lower running costs matter to you, roughly $108/year less on fuel.

Who should choose the 2026 Buick Encore GX Avenir?

The 2026 Buick Encore GX Avenir is the stronger pick when you drive in snow, rain, or unpaved roads where AWD keeps you planted.

Which gets better fuel economy, the 2026 Chevrolet Trax ACTIV or 2026 Buick Encore GX Avenir?

The 2026 Chevrolet Trax ACTIV rates 29 combined MPG, 2 MPG ahead.

Which is more powerful, the 2026 Chevrolet Trax ACTIV or 2026 Buick Encore GX Avenir?

The 2026 Buick Encore GX Avenir produces 155 hp, 18 more than the 2026 Chevrolet Trax ACTIV at 137 hp. The 2026 Buick Encore GX Avenir also leads in torque at 174 lb-ft vs 162 lb-ft. The 2026 Chevrolet Trax ACTIV runs a 1.2L I3 flex-fuel Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo. Drivetrains differ too: FWD on the 2026 Chevrolet Trax ACTIV, AWD on the 2026 Buick Encore GX Avenir.

Is the 2026 Chevrolet Trax ACTIV bigger than the 2026 Buick Encore GX Avenir?

The 2026 Chevrolet Trax ACTIV is 7.4″ longer at 178.6″ vs 171.2″. The 2026 Chevrolet Trax ACTIV has a 4.0″ longer wheelbase, which typically means more rear-seat legroom.

Do the 2026 Chevrolet Trax ACTIV and 2026 Buick Encore GX Avenir have the same drivetrain?

No. The 2026 Buick Encore GX Avenir comes with AWD, while the 2026 Chevrolet Trax ACTIV uses FWD. If you drive in snow, heavy rain, or on unpaved roads, the all-wheel or four-wheel drive option provides better traction. If you mostly drive on dry pavement, the two-wheel drive option saves fuel.

How do the warranties compare?

Both offer similar warranty coverage: 3yr/36k bumper-to-bumper and 5yr/60k powertrain.

Explore more: Chevrolet trims, Chevrolet Trax trims, Buick trims, Buick Encore GX trims

Official sources

How the Trax and Encore GX Stack Up

Two compact SUVs, two different takes on daily versatility. The 2026 Chevrolet Trax ACTIV ($25,300) and 2026 Buick Encore GX Avenir ($33,000) solve similar problems in different ways. The $7,700 gap adds up to $135/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.

Powertrain: Trax vs Encore GX

The 2026 Chevrolet Trax ACTIV runs a 1.2L I3 flex-fuel Turbo; the 2026 Buick Encore GX Avenir uses a 1.3L I3 Turbo. The 18 hp difference (155 vs 137) is marginal in daily driving. The 2026 Buick Encore GX Avenir comes with AWD; the 2026 Chevrolet Trax ACTIV uses FWD. If you deal with snow, rain, or gravel roads, that traction advantage matters.

What It Actually Costs to Own

The 2026 Chevrolet Trax ACTIV saves roughly $108/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $540. The 2026 Chevrolet Trax ACTIV wins on both sticker price and running costs, making it the stronger value on paper.

Which One Should You Buy?

Choose the 2026 Chevrolet Trax ACTIV when you want to keep $7,700 in your pocket and the 2026 Chevrolet Trax ACTIV covers your needs. Choose the 2026 Buick Encore GX Avenir when you drive in snow, rain, or unpaved roads where AWD keeps you planted. At $135/month more, the 2026 Buick Encore GX Avenir needs to earn that gap with something you use weekly.

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 Chevrolet or Buick or any dealership.

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