2026 INFINITI QX80 AUTOGRAPH vs 2026 Rivian R1S Tri

This is a lifestyle question: can you charge the 2026 Rivian R1S Tri at home, or do you need the 2026 INFINITI QX80 AUTOGRAPH's gas-station flexibility? Key numbers: 450 vs 850 hp.

The short answer

The QX80 AUTOGRAPH leads on 10.4″ longer. The R1S Tri leads on $4,510 less, 400 more hp. The spec table compares 4 specifications head to head.

N/A
Price Gap
400 HP
HP Diff
Same
Efficiency Diff
Vehicle A
2026 INFINITI QX80 AUTOGRAPH
Starts at $111,500
VS
Vehicle B
2026 Rivian R1S Tri
Starts at $106,990

Key Differences at a Glance

Engine
3.5L V6 Turbo
vs
electric
Horsepower
450 hp
vs
850 hp
Torque
516 lb-ft
vs
1103 lb-ft
Drivetrain
4WD
vs
AWD

What's Actually Different

These two vehicles differ in 4 specifications.

MSRP
$111,500QX80 AUTOGRAPH
$106,990R1S Tri
Engine
3.5L V6 TurboQX80 AUTOGRAPH
electricR1S Tri
Horsepower
450 hpQX80 AUTOGRAPH
850 hpR1S Tri
Torque
516 lb-ftQX80 AUTOGRAPH
1103 lb-ftR1S Tri
Transmission
9-speed shiftable automaticQX80 AUTOGRAPH
1-speed direct driveR1S Tri
Drivetrain
4WDQX80 AUTOGRAPH
AWDR1S Tri
Length
211.2"QX80 AUTOGRAPH
200.8"R1S Tri
Width
83.3"QX80 AUTOGRAPH
82.0"R1S Tri
Height
78.0"QX80 AUTOGRAPH
77.3"R1S Tri

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 INFINITI QX80 AUTOGRAPH2026 Rivian R1S Tri
Pricing
MSRP$111,500$106,990
Powertrain
Engine3.5L V6 Turboelectric
Horsepower450 hp850 hp
Torque516 lb-ft1103 lb-ft
Transmission9-speed shiftable automatic1-speed direct drive
Drivetrain4WDAWD
Fuel Economy
City MPG / MPGe16 MPGNo published data
Highway MPG / MPGe19 MPGNo published data
Combined MPG / MPGe17 MPGNo published data
Fuel Tank23.6 galNo published data
Annual Fuel Cost (EPA)$3,400/yrNo published data
Dimensions
Curb Weight6,205 lbsNo published data
Wheelbase121.1"121.1"
Length211.2"200.8"
Width83.3"82.0"
Height78.0"77.3"
Safety
IIHS AwardTSP+TSP+
Warranty
Bumper-to-BumperNo published data5yr/60k
PowertrainNo published data8yr/175k
CorrosionNo published data8yr/unlimited
Roadside AssistanceNo published data5yr/60k

Frequently Asked Questions

What is the price difference between the 2026 INFINITI QX80 AUTOGRAPH and 2026 Rivian R1S Tri?

The 2026 Rivian R1S Tri starts at $106,990, $4,510 less than the 2026 INFINITI QX80 AUTOGRAPH at $111,500. On a 60-month loan that is roughly $79/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2026 INFINITI QX80 AUTOGRAPH?

The 2026 INFINITI QX80 AUTOGRAPH is the stronger pick when you need the flexibility of gas stations and longer range without planning; you want the larger footprint for passengers or cargo.

Who should choose the 2026 Rivian R1S Tri?

The 2026 Rivian R1S Tri is the stronger pick when you want to keep $4,510 in your pocket and the 2026 Rivian R1S Tri covers your needs; you want to skip gas stations entirely and charge at home; the extra 400 hp matters for your commute or driving style.

Which is more powerful, the 2026 INFINITI QX80 AUTOGRAPH or 2026 Rivian R1S Tri?

The 2026 Rivian R1S Tri produces 850 hp, 400 more than the 2026 INFINITI QX80 AUTOGRAPH at 450 hp. The 2026 Rivian R1S Tri also leads in torque at 1103 lb-ft vs 516 lb-ft. The 2026 INFINITI QX80 AUTOGRAPH runs a 3.5L V6 Turbo; the 2026 Rivian R1S Tri uses a electric. Drivetrains differ too: 4WD on the 2026 INFINITI QX80 AUTOGRAPH, AWD on the 2026 Rivian R1S Tri.

Is the 2026 INFINITI QX80 AUTOGRAPH bigger than the 2026 Rivian R1S Tri?

The 2026 INFINITI QX80 AUTOGRAPH is 10.4″ longer at 211.2″ vs 200.8″.

Do the 2026 INFINITI QX80 AUTOGRAPH and 2026 Rivian R1S Tri have the same drivetrain?

No. The 2026 INFINITI QX80 AUTOGRAPH comes with 4WD, while the 2026 Rivian R1S Tri uses AWD. 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.

What should I know about comparing an EV to a gas vehicle?

The 2026 Rivian R1S Tri runs on electricity and the 2026 INFINITI QX80 AUTOGRAPH uses gasoline. Beyond fuel type, this affects daily routine: the EV charges at home overnight (no gas station trips) but needs charging infrastructure for long drives. Running costs are typically lower for the EV, but purchase price and available charging matter. Compare the total cost of ownership, not just the sticker.

Explore more: INFINITI trims, INFINITI QX80 trims, Rivian trims, Rivian R1S trims

Official sources

How the QX80 and R1S Stack Up

Two full-size SUVs, two different takes on daily versatility. The 2026 INFINITI QX80 AUTOGRAPH ($111,500) and 2026 Rivian R1S Tri ($106,990) solve similar problems in different ways. The $-4,510 gap adds up to $79/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: QX80 vs R1S

This is a gas-vs-EV comparison. The 2026 INFINITI QX80 AUTOGRAPH runs a 3.5L V6 Turbo, while the 2026 Rivian R1S Tri is electric (electric). That changes everything: fueling routine, maintenance schedule, and how the vehicle accelerates. The 2026 Rivian R1S Tri has 400 more hp (850 vs 450). You will feel the difference merging, passing, and driving with a full car. The 2026 Rivian R1S Tri adds 587 more lb-ft of torque (1103 vs 516), giving it stronger low-end pull off the line. Drivetrains differ: 4WD on the 2026 INFINITI QX80 AUTOGRAPH, AWD on the 2026 Rivian R1S Tri.

Size, Space, and Daily Reality

The 2026 INFINITI QX80 AUTOGRAPH is 10.4″ longer, which translates to more room inside but a larger footprint in parking lots and garages.

Which One Should You Buy?

Choose the 2026 INFINITI QX80 AUTOGRAPH when you need the flexibility of gas stations and longer range without planning. Choose the 2026 Rivian R1S Tri when you want to keep $4,510 in your pocket and the 2026 Rivian R1S Tri 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 INFINITI or Rivian or any dealership.

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