2025 Lexus RX 350 vs 2025 Acura MDX Base

On paper, the 2025 Lexus RX 350 wins on $17,575 less, 3 MPG better, 50 more lb-ft torque. The 2025 Acura MDX Base has to win you at the dealer. Key numbers: $17,575 price gap, 275 vs 290 hp, 24 vs 21 MPG.

The short answer

The RX 350 leads on $17,575 less, 3 MPG better, 50 more lb-ft torque. The spec table compares 6 specifications head to head.

$17,575
Price Gap
15 HP
HP Diff
3 MPG
Efficiency Diff
Lower price
2025 Lexus RX 350
Starts at $50,725
VS
Higher price
2025 Acura MDX Base
Starts at $68,300

Key Differences at a Glance

Engine
2.4L I4 Turbo
vs
3.5L V6
Horsepower
275 hp
vs
290 hp
Torque
317 lb-ft
vs
267 lb-ft
Fuel Economy
24 MPG combined
vs
21 MPG combined
Curb Weight
4,310 lbs
vs
4,544 lbs

What's Actually Different

These two vehicles differ in 6 specifications.

MSRP
$50,725RX 350
$68,300MDX Base
Engine
2.4L I4 TurboRX 350
3.5L V6MDX Base
Horsepower
275 hpRX 350
290 hpMDX Base
Torque
317 lb-ftRX 350
267 lb-ftMDX Base
Transmission
8-speed shiftable automaticRX 350
10-speed shiftable automaticMDX Base
City MPG
21RX 350
19MDX Base
Highway MPG
28RX 350
25MDX Base
Combined MPG
24RX 350
21MDX Base
Fuel Tank
17.8 galRX 350
18.5 galMDX Base
Curb Weight
4,310 lbsRX 350
4,544 lbsMDX Base
Wheelbase
112.2"RX 350
113.8"MDX Base
Length
192.5"RX 350
198.4"MDX Base
Width
75.6"RX 350
78.7"MDX Base
Height
67.3"RX 350
67.9"MDX Base
Corrosion
6yr/unlimitedRX 350
5yr/unlimitedMDX Base
Roadside Assistance
4yr/unlimitedRX 350
4yr/50kMDX Base

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 RX 3502025 Acura MDX Base
Pricing
MSRP$50,725$68,300
Powertrain
Engine2.4L I4 Turbo3.5L V6
Horsepower275 hp290 hp
Torque317 lb-ft267 lb-ft
Transmission8-speed shiftable automatic10-speed shiftable automatic
DrivetrainAWDAWD
Fuel Economy
City MPG2119
Highway MPG2825
Combined MPG2421
Fuel Tank17.8 gal18.5 gal
Annual Fuel Cost (EPA)No published data$2,750/yr
Dimensions
Curb Weight4,310 lbs4,544 lbs
Wheelbase112.2"113.8"
Length192.5"198.4"
Width75.6"78.7"
Height67.3"67.9"
Safety
NHTSA Overall5/5 stars5/5 stars
IIHS AwardNo published dataTSP
Warranty
Bumper-to-Bumper4yr/50k4yr/50k
Powertrain6yr/70k6yr/70k
Corrosion6yr/unlimited5yr/unlimited
Roadside Assistance4yr/unlimited4yr/50k

Frequently Asked Questions

What is the price difference between the 2025 Lexus RX 350 and 2025 Acura MDX Base?

The 2025 Lexus RX 350 starts at $50,725, $17,575 less than the 2025 Acura MDX Base at $68,300. On a 60-month loan that is roughly $310/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2025 Lexus RX 350?

The 2025 Lexus RX 350 is the stronger pick when you want to keep $17,575 in your pocket and the 2025 Lexus RX 350 covers your needs; lower running costs matter to you, roughly $250/year less on fuel.

Who should choose the 2025 Acura MDX Base?

The 2025 Acura MDX Base is the stronger pick when you prefer the Acura approach to the midsize SUV segment.

Which gets better fuel economy, the 2025 Lexus RX 350 or 2025 Acura MDX Base?

The 2025 Lexus RX 350 rates 24 combined MPG, 3 MPG ahead.

Which is more powerful, the 2025 Lexus RX 350 or 2025 Acura MDX Base?

The 2025 Acura MDX Base produces 290 hp, 15 more than the 2025 Lexus RX 350 at 275 hp. The 2025 Lexus RX 350 also leads in torque at 317 lb-ft vs 267 lb-ft. The 2025 Lexus RX 350 runs a 2.4L I4 Turbo; the 2025 Acura MDX Base uses a 3.5L V6.

Is the 2025 Lexus RX 350 bigger than the 2025 Acura MDX Base?

The 2025 Acura MDX Base is 5.9″ longer at 198.4″ vs 192.5″. The 2025 Acura MDX Base has a 1.6″ longer wheelbase, which typically means more rear-seat legroom.

How do the warranties compare?

Both offer similar warranty coverage: 4yr/50k bumper-to-bumper and 6yr/70k powertrain.

Explore more: Lexus trims, Lexus RX trims, Acura trims, Acura MDX trims

Official sources

The RX–MDX Decision

Cross-shopping midsize SUVs means weighing interior space, ride quality, and ownership costs. Here is how the RX and MDX compare. The $17,575 gap adds up to $310/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.

What Powers Each Vehicle

The 2025 Lexus RX 350 runs a 2.4L I4 Turbo; the 2025 Acura MDX Base uses a 3.5L V6. The 15 hp difference (290 vs 275) is marginal in daily driving. The 2025 Lexus RX 350 adds 50 more lb-ft of torque (317 vs 267), giving it stronger low-end pull off the line. Both use AWD.

The Ownership Math

The 2025 Lexus RX 350 saves roughly $250/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,250. The 2025 Lexus RX 350 wins on both sticker price and running costs, making it the stronger value on paper.

The Decision

Choose the 2025 Lexus RX 350 when you want to keep $17,575 in your pocket and the 2025 Lexus RX 350 covers your needs. Choose the 2025 Acura MDX Base when you prefer the Acura approach to the midsize SUV segment. At $310/month more, the 2025 Acura MDX Base 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 Lexus or Acura or any dealership.

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