Buyer’s Guide: Rivian R1S vs Tesla Model X

By Karan Singh
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The Rivian R1S and the Tesla Model X are two of the premiere choices when buying a large electric SUV. So, we put together a buyer’s guide to help customers search for their EV of choice.

Both the R1S and the Model X are fantastic vehicles, and we’re not here to put one up or the other down. Instead, we’ll be looking at the advantages each vehicle brings – everyone has different needs for their vehicle, and some may favor one over the other.

Price, Range, and Specs

The R1S and the Model X are both unique vehicles in their own right, but each has their own set of configurations that could work better for your family. The table below compares some of the basic specs of these vehicles.

Vehicle

Price (USD)

Range

0-60 mph

Seats

Model X LR

$79,990

335mi

3.8s

5, 6, or 7*

Model X Plaid

$94,990

326mi

2.5s

6

R1S Standard

$75,900

270mi

4.5s

7

R1S Large

$82,900

330mi

3.4s

7

R1S Max

$89,900

410mi

3.4s

7

R1S Tri Max

$105,900

371mi

2.9s

7

R1S Quad Max**

TBC

350mi est.

2.6s

7

* The Model X LR can be equipped with 5, 6, or 7 seat interiors.
** The R1S Quad Max pricing and range are unavailable today, and deliveries will begin in 2025.

All the prices listed above are without considering any Federal, State, or Provincial EV Rebates you may qualify for.

Seating

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The Model X offers more flexibility in terms of seating, with buyers being able to pick from a 5-seat configuration with a bench seat in the second row and more cargo room or go up to a 6-seat layout with captain chairs and a center row. The 7-seat configuration keeps the bench seat in the second row and the two rear seats in the third row.

The R1S only has a single-seat configuration with a bench seat in the second row and two seats in the third row.

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Interior

When looking at the interiors of each vehicle, both are well-equipped and luxurious right off the bat. Both vehicles come in vegan leather alternatives, and the seats are well-designed and comfortable.

Rivian

Rivian and Tesla both have unique interior finishes – the R1S comes with the improved Ascend finish on the Tri-Max and the Quad Max, while the Model X Plaid comes with carbon fiber trim throughout the interior rather than the standard wooden finishes.

Both also have a set of unique internal finishes to choose from, all with high-quality materials. Tesla, for its part, focuses on black, white, and beige, while Rivian offers a wider range of colors. We suggest looking at both interiors online, and in person if you have the opportunity to.

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Road Tripping & Families

Both vehicles have some fantastic advantages for both road-tripping, as well as every day errands with the family.

In terms of interior access, the Model X, with its 6-seat layout, offers better access to and from the third row. The falcon wing doors also make it easier for passengers to get in and out of any of the rear seats. Since they’re automated doors and require very little space to open, it’s also easier for kids to get in and out of the vehicle. If your child is in a car seat, the falcon wing doors also provide a significant advantage when putting your child into the car seat since the doors open up over your head instead of swinging outward.

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On the flip side, the R1S is a larger vehicle all around, and the 7-seat configuration leaves you with plenty of space for a large family. However, third-row access will be more difficult since it requires you to flip down one of the second-row seats. The middle row leaves plenty of space for even taller people to get into. In fact, with three people in the back, you’ll find a considerably larger amount of shoulder room and foot room than in the Model X. If you’ve got a big family or find yourself driving around lots of people, the R1S offers a definite advantage in this area.

Rear Screen

Tesla / Rivian

The Model X comes with a fully capable rear display measuring almost 9 inches, which passengers can use for a wide variety of things, including playing games, watching videos on Netflix, YouTube, or other services, in addition to controlling parts of the vehicle such as seat heaters and the rear climate.

The R1S 6.8-inch rear display is aimed more at being a utility instead of offering entertainment benefits. It’ll let passengers control music, adjust the climate, and see your trip’s progress, but currently doesn’t offer the ability to watch any video content.

Both screens are placed directly behind the center armrest of the front seats, which gives an adequate view for passengers in the second row, but not the third.

Tesla has the advantages hands-down on this one, with the rear screen not only supporting video streaming while the vehicle is moving but also supporting a second channel of Bluetooth audio so that passengers in the back can listen to different content than the front passengers.

Rivian may add video capability to their rear screen in the future. However, it’s not clear whether they’ll support separate audio for the rear display. The Rivian display is also much smaller and has a non-standard ratio, meaning that video content won’t fill the whole screen.

Tesla also provides passengers in the front the ability to control the rear screen. If you have young kids, you can actually bring up the rear screen on the main display in the front and load up a video for your kids.

Storage Space

While both vehicles are considered “SUVs”, the R1S is the clear taker in terms of available storage space, both up front in the frunk, and cargo space in the back. However, the Model X does offer a fairly large amount of storage, and that may be good enough for most people.

Let’s take a look at the overall storage space capabilities of each vehicle.

Model X

R1S

Frunk

6.5 cu ft

11.1 cu ft

Trunk*

33.8 cu ft

46.7 cu ft

Roof Rack

Not Capable

Capable

Towing**

Up to 5000lb

Up to 7700lb

Vehicle Height

66”

77”

Vehicle Width

79”

82”

Vehicle Length

198”

201”

* This is cubic feet of space, with the third row folded flat in either vehicle.

** Towing specifications depend on tire size and motor options for each vehicle, and a proper weight-distributing hitch may be required. Consult the service manuals for exact details.

Charging

Both the R1S and the Model X are top-of-the-line electric vehicles, and both offer fantastic charging speeds and range.

The R1S offers a maximum charging speed of 220kW, while the Model X offers a maximum charging speed of 250kW. Overall, both vehicles, when pre-conditioned and at a low state of charge, will charge fairly quickly, making them both great choices for road-tripping. Of course, you can also use slower AC charging for either vehicle.

The largest difference in terms of charging is that the Model X is supported at every Tesla Supercharger - the largest and most reliable charging network in North America. The R1S can also be charged at some Tesla Superchargers, but it’ll need to be a V4 Supercharger that has a built-in adapter referred to as the “Magic Dock,” or you’ll need to have a NACS to CSS adapter.

Both vehicles are capable of charging at third-party CCS stations like Electrify America, but the Model X will require a CCS to NACS adapter. The R1S also supports charging at Rivian’s excellent Rivian Adventure Network (RAN) chargers, which are currently limited to Rivian vehicles. These chargers are typically located in adventuring hotspots throughout the continental United States.

Autonomy

On the autonomy front, Tesla is a clear winner – especially if you want a vehicle that can mostly drive itself today with minimal interventions. FSD is an exceptional software package that sees continuous OTA improvements, and for many subscribers and owners of the software – it’s a service that they couldn’t live without.

FSD Supervised today is a fantastic system able to route itself through city streets and highways, and get you from point A to point B, provided you’re paying attention and can intervene if the system can’t handle a situation.

And if you don’t want to use FSD, the Model X comes equipped with Basic Autopilot, which can provide adaptive cruise control and lane assist, as well as all the safety features that come standard on every Tesla.

Rivian, on the other hand, doesn’t offer a full autonomy package, but on their newer Generation 2 vehicles, it does offer some autonomy features that are similar to Tesla’s Basic Autopilot. Rivian is actively working on improving its autonomy software and promises to expand its functionality in the future. Rivian’s Driver+ on their Gen 1 vehicles (2024 and older) provides highway assist on select highways, as well as adaptive cruise control, lane assist, and lane change assist, alongside all of Rivian’s standard safety features.

Overall, Rivian’s package is less capable than Tesla’s today, but it still offers some driver-assist features on the highway.

Comfort & Luxury

When it comes to big SUVs, and especially luxury vehicle purchases in general, comfort is a big aspect in terms of the purchase. Both the R1S and the Model X bring adaptive air suspension, which means both vehicles ride more comfortably than most cars. The R1S does offer a few more adjustable comfort-focused options for its air suspension than the Model X, such as different drive modes, but the difference between the vehicles is remarkably close.

In terms of seat comfort, both the R1S and the Model X have spectacularly comfortable seats. The front seats on both vehicles are heated and cooled, while the second and third rows are limited to heated seats that can be controlled through the rear screen. Neither vehicle brings massage seats to the table, but if that’s a dealbreaker, we suggest waiting for Lucid’s upcoming Gravity SUV.

While the Model X has luxurious additions like auto-opening front doors as you approach, the amazing falcon-wing doors, and the ability to automatically open the frunk or trunk hands-free, the Rivian also has some of its own luxuries.

The Rivian R1S features a powered frunk which can be opened or closed from inside the vehicle or from the Rivian app. It also features some nice additions, such as the built-in flashlight, the optional built-in air compressor, or a dynamic glass roof that can be dimmed at the touch of a button. The R1S also includes customizable ambient lighting and support for surround sound using Dolby Atmos (requires a subscription to Connect+).

Rivian Wave

Software & Software Updates

Both brands offer very software-focused vehicles that receive software updates several times per year, roughly once per month. Both of these vehicles are constantly getting better and will receive new features that keep the vehicle feeling new and exciting. While the software user interface will be a personal preference, Tesla currently has more software features and entertainment options. However, both vehicles include features like Dog Mode / Pet Comfort, Sentry Mode / Gear Guard, Camp Mode, and Launch Mode for performance variants. Tesla and Rivian both like to toss in the occasional easter egg as well.

Summary

Both the Tesla Model X and the Rivian R1S are excellent vehicles in their own right, and each offers a unique and fresh take on the SUV experience. They’re both fantastic EVs, with some of the best battery and motor technology in the business, and you can’t go wrong selecting either one. In general, the Riviam R1S offers a more spacious interior with more cargo room with finer materials, while the Model X offers a more robust driver-assist system, a better charging network, more entertainment options, and a superior seat layout.

We highly recommend you head over to a Tesla Showroom and to a Rivian Space to get acquainted with both vehicles in person.

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Tesla LFP Batteries Can Now Be Warmed up While Supercharging Using Innovative Feature

By Karan Singh
Not a Tesla App

Tesla’s been on a roll with Supercharger improvements lately, from the 325kW charging update for the Cybertruck, to 500kW with V4 Superchargers coming next year. While those improvements have been limited to the Cybertruck, Tesla didn’t put all their focus on their new flagship vehicle, but looked at their more affordable vehicles as well.

LFP Battery Heating

Tesla’s Superchargers can now heat LFP Batteries - those that are in the Model 3 and Model Y Rear Wheel Drive variants. This applies to Long Range and Standard Range models, which saw a limited run. This is another update included as part of the 2024 Tesla Holiday Update - which really arrived with a lot of unannounced new features and capabilities.

The change is pretty interesting - Superchargers of the V3 and V4 variety can now pre-heat batteries for Model 3 and Model Y vehicles equipped with LFP battery packs. That means those vehicles are able to get back on the road faster when it's extremely cold. Of course, Tesla still advises you to precondition before you arrive, saving drivers time and money.

Max de Zegher, Tesla’s Director of Charging, also commented on the new feature. Essentially, Tesla is inducing an AC (alternating) ripple current through the battery to warm it up. Keep in mind that Superchargers are DC charging. That means it is possible to get a cold-soaked LFP vehicle on the road 4x faster than before, assuming that it didn’t precondition at all and that it is in the worst-case scenario (below 0ºF).

In essence, Tesla is using some engineering magic to turn the circuits inside the LFP battery into an electric heater - and powering that heater through the Supercharger. An AC ripple current is a small oscillation in the DC charging current that generates heat through electrical resistance, warming up the battery. Those ripples are a byproduct of converting AC to DC and back - so Tesla is using the onboard charger to induce those ripples to warm up the battery. Definitely an innovative technique that’s really only possible with the versatility of the NACS connector.

We’re hoping Tesla can implement this across their full lineup of vehicles, but we’ll have to wait and see how it is trialed across LFP vehicles first and if it is even possible on vehicles with 2170 or 4680 battery packs.

Tesla Included FSD V12.6.1 and V13.2.4 in the Same Update: What Caused This and What It Means

By Karan Singh
Not a Tesla App

Tesla launched two FSD updates simultaneously on Saturday night, and what’s most interesting is that they arrived on the same software version. We’ll dig into that a little later, but for now, there’s good news for everyone. For Hardware 3 owners, FSD V12.6.1 is launching to all vehicles, including the Model 3 and Model Y. For AI4 owners, FSD V13.2.4 is launching, starting with the Cybertruck.

FSD V13.2.4

A new V13 build is now rolling out to the Cybertruck and is expected to arrive for the rest of the AI4 fleet soon. However, this build seems to be focused on bug fixes. There are no changes to the release notes for the Cybertruck with this release, and it’s unlikely to feature any changes when it arrives on other vehicles.

While this update focuses on bug fixes, Tesla’s already working on bigger features for FSD V13.3, which we have already confirmed to include improvements to highway following and speed control.

FSD V12.6.1

FSD V12.6.1 builds upon V12.6, which is the latest FSD version for HW3 vehicles. While FSD V12.6 was only released for the redesigned Model S and Model X with HW3, FSD V12.6.1 is adding support for the Model 3 and Model Y.

While this is only a bug-fix release for users coming from FSD V12.6, it includes massive improvements for anyone coming from an older FSD version. Two of the biggest changes are the new end-to-end highway stack that now utilizes FSD V12 for highway driving and a redesigned controller that allows FSD to drive “V13” smooth.

It also adds speed profiles, earlier lane changes, and more. You can read our in-depth look at all the changes in FSD V12.6.

Same Update, Multiple FSD Builds

What’s interesting about this software version is that it “includes" two FSD updates, V12.6.1 for HW3 and V13.2.4 for HW4 vehicles. While this is interesting, it’s less special when you understand what’s happening under the hood.

The vehicle’s firmware and Autopilot firmware are actually completely separate. While a vehicle downloading a firmware update may look like a singular process, it’s actually performing several functions during this period. First, it downloads the vehicle’s firmware. Upon unpacking the update, it’s instructed which Autopilot/FSD firmware should be downloaded.

While the FSD firmware is separate, the vehicle can’t download any FSD update. The FSD version is hard-coded in the vehicle’s firmware that was just downloaded. This helps Tesla keep the infotainment and Autopilot firmware tightly coupled, leading to fewer issues.

What we’re seeing here is that HW3 vehicles are being told to download one FSD version, while HW4 vehicles are being told to download a different version.

While this is the first time Tesla has had two FSD versions tied to the same vehicle software version, the process hasn’t actually changed, and what we’re seeing won’t lead to faster FSD updates or the ability to download FSD separately. What we’re seeing is the direct result of the divergence of HW3 and HW4.

While HW3/4 remained basically on the same FSD version until recently, it is now necessary to deploy different versions for the two platforms. We expect this to be the norm going forward, where HW3 will be on a much different version of FSD than HW4. While each update may not include two different FSD versions going forward, we may see it occasionally, depending on which features Autopilot is dependent on.

Thanks to Greentheonly for helping us understand what happened with this release and for the insight into Tesla’s processes.

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