2025 Lexus NX 350h vs 2025 Buick Envision Avenir

On paper, the 2025 Lexus NX 350h wins on $2,275 less, 15 MPG better. The 2025 Buick Envision Avenir has to win you at the dealer. Key numbers: $2,275 price gap, 240 vs 228 hp, 39 vs 24 MPG.

The short answer

The NX 350h leads on $2,275 less, 15 MPG better. The spec table compares 5 specifications head to head.

$2,275
Price Gap
12 HP
HP Diff
15 MPG
Efficiency Diff
Lower price
2025 Lexus NX 350h
Starts at $45,425
VS
Higher price
2025 Buick Envision Avenir
Starts at $47,700

Key Differences at a Glance

Engine
2.5L I4 hybrid
vs
2.0L I4 Turbo
Horsepower
240 hp
vs
228 hp
Fuel Economy
39 MPG combined
vs
24 MPG combined
Curb Weight
4,080 lbs
vs
4,085 lbs
Fuel Tank
14.5 gal
vs
16.1 gal

What's Actually Different

These two vehicles differ in 5 specifications.

MSRP
$45,425NX 350h
$47,700Envision Avenir
Engine
2.5L I4 hybridNX 350h
2.0L I4 TurboEnvision Avenir
Horsepower
240 hpNX 350h
228 hpEnvision Avenir
Transmission
continuously variable-speed automaticNX 350h
9-speed shiftable automaticEnvision Avenir
City MPG
41NX 350h
22Envision Avenir
Highway MPG
37NX 350h
28Envision Avenir
Combined MPG
39NX 350h
24Envision Avenir
Fuel Tank
14.5 galNX 350h
16.1 galEnvision Avenir
Curb Weight
4,080 lbsNX 350h
4,085 lbsEnvision Avenir
Wheelbase
105.9"NX 350h
109.0"Envision Avenir
Length
183.5"NX 350h
182.7"Envision Avenir
Width
73.4"NX 350h
74.1"Envision Avenir
Height
66.1"NX 350h
64.6"Envision Avenir
Bumper-to-Bumper
4yr/50kNX 350h
3yr/36kEnvision Avenir
Powertrain
6yr/70kNX 350h
5yr/60kEnvision Avenir
Corrosion
6yr/unlimitedNX 350h
6yr/100kEnvision Avenir
Roadside Assistance
4yr/unlimitedNX 350h
5yr/60kEnvision 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.

Spec2025 Lexus NX 350h2025 Buick Envision Avenir
Pricing
MSRP$45,425$47,700
Powertrain
Engine2.5L I4 hybrid2.0L I4 Turbo
Horsepower240 hp228 hp
TorqueNo published data258 lb-ft
Transmissioncontinuously variable-speed automatic9-speed shiftable automatic
DrivetrainAWDAWD
Fuel Economy
City MPG4122
Highway MPG3728
Combined MPG3924
Fuel Tank14.5 gal16.1 gal
Annual Fuel Cost (EPA)No published data$1,800/yr
Dimensions
Curb Weight4,080 lbs4,085 lbs
Wheelbase105.9"109.0"
Length183.5"182.7"
Width73.4"74.1"
Height66.1"64.6"
Safety
NHTSA OverallNo published data5/5 stars
IIHS AwardTSP+No published data
Warranty
Bumper-to-Bumper4yr/50k3yr/36k
Powertrain6yr/70k5yr/60k
Corrosion6yr/unlimited6yr/100k
Roadside Assistance4yr/unlimited5yr/60k

Frequently Asked Questions

What is the price difference between the 2025 Lexus NX 350h and 2025 Buick Envision Avenir?

The 2025 Lexus NX 350h starts at $45,425, $2,275 less than the 2025 Buick Envision Avenir at $47,700. On a 60-month loan that is roughly $40/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2025 Lexus NX 350h?

The 2025 Lexus NX 350h is the stronger pick when you want to keep $2,275 in your pocket and the 2025 Lexus NX 350h covers your needs; lower running costs matter to you, roughly $673/year less on fuel.

Who should choose the 2025 Buick Envision Avenir?

The 2025 Buick Envision Avenir is the stronger pick when you prefer the Buick approach to the compact SUV segment.

Which gets better fuel economy, the 2025 Lexus NX 350h or 2025 Buick Envision Avenir?

The 2025 Lexus NX 350h rates 39 combined MPG, 15 MPG ahead.

Which is more powerful, the 2025 Lexus NX 350h or 2025 Buick Envision Avenir?

The 2025 Lexus NX 350h produces 240 hp, 12 more than the 2025 Buick Envision Avenir at 228 hp. The 2025 Lexus NX 350h runs a 2.5L I4 hybrid; the 2025 Buick Envision Avenir uses a 2.0L I4 Turbo.

Is the 2025 Lexus NX 350h bigger than the 2025 Buick Envision Avenir?

The 2025 Lexus NX 350h is 0.8″ longer at 183.5″ vs 182.7″. The 2025 Buick Envision Avenir has a 3.1″ longer wheelbase, which typically means more rear-seat legroom.

How do the warranties compare?

The Lexus NX comes with 4yr/50k bumper-to-bumper and 6yr/70k powertrain. The Buick Envision offers 3yr/36k bumper-to-bumper and 5yr/60k powertrain. Longer warranty coverage can offset higher maintenance costs over time.

Explore more: Lexus trims, Lexus NX trims, Buick trims, Buick Envision trims

Official sources

How the NX and Envision Stack Up

Two compact SUVs, two different takes on daily versatility. The 2025 Lexus NX 350h ($45,425) and 2025 Buick Envision Avenir ($47,700) solve similar problems in different ways. The $2,275 gap is about $40/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.

Powertrain: NX vs Envision

The 2025 Lexus NX 350h runs a 2.5L I4 hybrid; the 2025 Buick Envision Avenir uses a 2.0L I4 Turbo. The 12 hp difference (240 vs 228) is marginal in daily driving. Both use AWD.

What It Actually Costs to Own

The 2025 Lexus NX 350h saves roughly $673/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $3,365. The 2025 Lexus NX 350h wins on both sticker price and running costs, making it the stronger value on paper.

Which One Should You Buy?

Choose the 2025 Lexus NX 350h when you want to keep $2,275 in your pocket and the 2025 Lexus NX 350h covers your needs. Choose the 2025 Buick Envision Avenir when you prefer the Buick approach to the compact SUV segment. At $40/month apart, the price difference alone will not decide this.

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 Lexus or Buick or any dealership.

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