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Acura MDX vs Rivian R1S - Differences and prices compared

Compare performance (355 HP vs 850 HP), trunk space and price (51,200 $ vs 75,900 $ ) at a glance. See which model fits your needs and budget better – Acura MDX or Rivian R1S?

Acura MDX vs Rivian R1S: Key differences

Acura MDX

  • clearly cheaper
  • substantially lighter

Rivian R1S

  • substantially more power

Here’s where it gets real: The technical differences in detail

MDX

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Acura MDX is clearly cheaper – starting at 51,200 $ , while the Rivian R1S costs 75,900 $ . That’s a price difference of around 24,700 $.

MDX

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Rivian R1S offers substantially more power – delivering 850 HP compared to 355 HP. That’s roughly 495 HP more horsepower.

There’s also a difference in torque: the Rivian R1S delivers substantially more torque with 1,103 lb-ft compared to 354 lb-ft. That’s about 749 lb-ft more.

MDX

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 7 people.

In terms of curb weight, Acura MDX is substantially lighter – 4,268 lbs compared to 6,462 lbs. The difference is around 2,194 lbs.

Who wins the race in the data check?

The Rivian R1S shows a few small advantages in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $75,900
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Rivian R1S

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 533 - 850 HP
Acura MDX
Rivian R1S

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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General

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Acura MDX

The Acura MDX blends upscale comfort with a surprisingly playful chassis, making school runs feel like detours you actually want to take. Tech and cabin quality punch above the badge, while the confident styling tells the neighbors you’ve graduated from minivan life without going full luxury-brand showoff.

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Rivian R1S

The Rivian R1S is the adventure SUV that actually looks excited to leave the pavement, with a plush cabin and clever storage that make family duty feel like a playground. It’s quick, quiet, and packed with thoughtful touches, blending off-road swagger and city-slick polish with a dash of outdoorsy charm.

details
Acura MDX
Rivian R1S

Costs and Consumption

Price
51,200 - 75,300 $
Price
75,900 - 105,900 $
FuelEconomy City
17 - 19 mpg
FuelEconomy City
-
FuelEconomy Hwy
21 - 26 MPG
FuelEconomy Hwy
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
18.5 gal
Fuel tank capacity
-

Dimensions and Body

Body Type
SH-AWD, SUV
Body Type
SUV
Seats
7
Seats
7
Doors
-
Doors
-
Curb weight
4,268 - 4,776 lbs
Curb weight
6,462 lbs
Trunk Volume
-
Trunk Volume
-
Length
198.4 in.
Length
200.8 in.
Width
78.7 in.
Width
81.8 in.
Height
67 in.
Height
77 in.

Engine and Performance

Engine Type
Gasoline
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel, Front Wheel
Drive Type
All Wheel
Power HP
290 - 355 HP
Power HP
533 - 850 HP
Torque
267 - 354 lb-ft
Torque
610 - 1,103 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 - 3.5 L
Engine Displacement
-
Gears
-
Gears
-

General

Model Year
2,025
Model Year
2,025
Brand
Acura
Brand
Rivian
DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.