Engineering:Rivian R1S

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Short description: American battery electric full-size SUV
Rivian R1S
Rivian R1S at Hillsdale Shopping Center.jpg
Rivian R1S
Overview
ManufacturerRivian Automotive
Production2022–present
Model years2022–present
AssemblyUnited States: Normal, Illinois (Rivian Automotive LLC)
Body and chassis
Body style5-door SUV
Doors4 doors + 1 in rear
RelatedRivian R1T
Powertrain
Power output402–835 hp (300–623 kW)
TransmissionSingle-speed
Hybrid drivetrainIWD 4x4
Battery7,776 cells (2170 type) in a nine-module assembly for the 135 kWh liquid-cooled lithium-ion battery pack[1]
Electric range316 mi (509 km)
Dimensions
Wheelbase3,076 mm (121.1 in)[2][3]
Length5,100 mm (200.8 in)[3]
Width2,014 mm (79.3 in)[3]
Height1,816–1,963 mm (71.5–77.3 in)[3]
|uk|Kerb|Curb}} weight3,206 kg (7,068 lb)[3]

The Rivian R1S is an all-electric full-size off-road SUV manufactured by Rivian Automotive. Customer deliveries started in 2022.[4][5] The car took nearly 10 years to develop.[6] Depending on the configuration, it has either two or four electric motors.[6][7][better source needed]

Design

Rear view, Launch Edition (Oct 2022)

It is designed to hold seven passengers and accelerate from 0 to 60 mph (0 to 97 km/h) in 3 seconds, due to its 835 hp (623 kW; 847 PS) combined output power.[8] It shares 91% of its components with the Rivian R1T.[9] Rivian's flat, low center of gravity chassis makes it an "electric vehicle skateboard".[10] The vehicle is equipped for semi-autonomous driving according to level 3 and designed for road traffic and off-road driving.

Powertrain

As announced in 2018, the R1S was planned to be offered with three different traction battery capacities and power outputs; all planned versions included four traction motors,[11] in which each wheel is driven by an independent traction motor, allowing full-time all-wheel drive with torque vectoring.[12] The quad-motor version (QM) uses electric traction motors developed by Robert Bosch GmbH, but these are carried on the vehicle's frame; the R1S does not use wheel hub motors like the Lordstown Endurance.[13] As delivered in 2022, the QM R1S has a combined output of 835 hp (623 kW) and 908 lb⋅ft (1,231 N⋅m), split 415 / 420 hp (309 / 313 kW) and 413 / 495 lb⋅ft (560 / 671 N⋅m) front/rear.[3]

R1S configurations[11][14][15]
Motors
Battery
(kW-hr)
 Dual-Motor (DM) Performance Dual-Motor (PDM) Quad-Motor (QM)
Range
Standard (105) 260 mi (420 km) N/A N/A
Large (135) 340 mi (550 km) 321 mi (517 km)
Max (149) 400 mi (640 km) 400 mi (640 km) N/A
 
Output 533 hp (397 kW) & 610 lb⋅ft (827 N⋅m)[16] 665 hp (496 kW) & 829 lb⋅ft (1,124 N⋅m)[17] 835 hp (623 kW) & 908 lb⋅ft (1,231 N⋅m)[18]

Rivian has announced plans to reduce prices by offering dual-motor (DM) versions starting in 2024, with independent traction motors for the front and rear axles,[12] using "Enduro" motors developed by Rivian for the EDV.[13][19] DM versions will be offered with two different battery capacities (standard and large) for the R1S,[19] with slightly greater corresponding range as the weight and efficiency should improve with two motors.[12] Maximum output of the dual-motor version is expected to be >600 hp (450 kW) and >600 lb⋅ft (810 N⋅m), which is a decrease from the quad-motor version;[12] a "Performance Dual Motor" (PDM) option was added in April 2023, which raises output to approximately 700 hp (520 kW) through a software modification.[20] Production of the "Enduro" motor drive units began in February 2023; most have been used to ramp up EDV production,[19] but DM R1S SUVs with the Large battery pack were first delivered to customers in May 2023.[21]

The extended range ("Max Pack") battery has been delayed until 2023.[22] In addition, the smaller ("Standard") battery is not scheduled to be delivered until 2024; the Standard battery will use lithium iron phosphate (LFP) chemistry to reduce costs by eliminating nickel and cobalt.[12][23]

Consumption and performance

The 2022 Rivian R1S was rated by the EPA with a consumption of 69 mpg‑e (50 kW⋅h/100 mi) for the combined city+highway driving cycle and a total range of 316 mi (509 km) when equipped with the "Large" 135 kWh battery and quad-motor drivetrain.[24]

Acceleration from 0 to 60 mph (97 km/h) was tested by Motor Trend in August 2022 at 3.1 seconds on all-season tires and 3.2 seconds on all-terrain tires. Corresponding 1⁄4 mi (0.40 km) elapsed times and trap speeds were 11.6 sec at 111.2 mph (179.0 km/h) on all-season tires, slowing to 11.8 sec at 111.6 mph (179.6 km/h) with all-terrain tires.[3]

Storage and towing

The frunk of a Rivian R1S

Total enclosed cargo volume is 104.7 cu ft (2.96 m3) when the second and third rows are folded down. There is a front trunk (aka "frunk") is under the hood, where the engine is in most conventional internal combustion engine vehicles, which adds 11.1 cu ft (0.31 m3) of lockable storage.[25] In addition, there is a small compartment underneath the cargo floor.[3]

Towing capacity is 7,700 lb (3,500 kg).[26][27]

Interior

Pet comfort mode maintains a user-selected temperature inside the car when the driver is away from the vehicle.[25] A five-passenger option deleting the third row was discontinued in March 2022 before production vehicles began to be delivered; all R1Ss are seven-passenger, three-row vehicles.[12] Third-row seating was reported to be "a little tight for adults", with low cushion height resulting in most people adopting a posture with knees higher than their hips.[3]

The glass roof is not equipped with a sunshade and the resulting insolation made Motor Trend reviewers uncomfortable during comparison testing in the desert at temperatures exceeding 100 °F (38 °C). The same reviewers criticized the infotainment system, which is not equipped with Apple CarPlay or Android Auto.[28]

Chassis

The vehicle has an air suspension which allows for a maximum ground clearance of 14.9 in (380 mm), with individual wheels cross-linked to reduce body lean during cornering. In addition, there is a "Camp Mode" that allows the vehicle to level itself when parked on irregular terrain.[28] Maximum wading depth in water is 43.1 in (1.09 m).[29]

Compared to the R1T, which has a 135.8 in (3,450 mm) wheelbase, the R1S rides on a shorter 121.1 in (3,080 mm) wheelbase and has a shorter rear overhang, improving departure and breakover angles.[27] This also results in a turning circle that is nearly 4 ft (1.2 m) smaller for the R1S.[30]

Trim levels

The entry-level trim was called the Explore package, which included matte-black interior finishes and heated vegan leather seats.[31] In August 2022, Rivian announced it had discontinued the Explore package[32] citing low demand, simplified assembly and supply chain constraints that would be alleviated with a single option. By eliminating the base trim, Rivian effectively increased prices.[31]

The Adventure package upgrades the interior with heated and cooled perforated vegan leather seats, Chilewich woven floor mats, wood or vegan leather accents, and a premium Rivian Elevation sound system designed by Meridian Audio which includes a removable Bluetooth speaker.[33][34]

R1S Launch edition

The limited-availability Launch edition included the Adventure package, the large battery, an exclusive Launch green color, and an option to upgrade wheels and tires at no additional cost.[33][35]

History

Concept Rivian R1S at the Nov 2018 LA Auto Show

The Rivian R1S debuted as a prototype model first shown at the Los Angeles Auto Show in November 2018.[6] The prototype shown in LA was said to be in "production form".[11] By December 2019, Rivian had raised $1.3 billion in new funding for this and the R1T Truck.[36]

Delivery delays

The first two R1S vehicles were delivered to the CEO, R.J. Scaringe, and the CFO, Claire McDonough, in December 2021.[37] Rivian announced in mid-June 2022 that there would be a delay for some deliveries of its R1S electric SUV. The company cited the delay was due to supply chain issues and limited service infrastructure.[38] Deliveries to customers began in late August 2022.[39] The first vehicles to be released were equipped with the large (135 kWh) battery and quad-motor drivetrain.[28]

Price changes

In March 2022, Rivian announced the price of the R1S would increase by 20%, jumping to $84,500 from $70,000 for the base model.[12][40] After receiving negative feedback, Rivian honored the original prices for pre-orders made before the price increase.[41][42] In August 2022, Rivian cancelled the base Explore trim level, forcing people who pre-ordered the Explore to either cancel or upgrade to the more expensive Adventure trim.[32]

Competition

References

  1. ↑ Capparella, Joey (6 July 2022). "2022 Rivian R1S Has Appeal, Capability, and Lots of Promise". Car and Driver. https://www.caranddriver.com/reviews/a40514350/2022-rivian-r1s-drive/. 
  2. ↑ Levin, Tim (15 July 2022). "I drove Rivian's new R1S — it's like 3 dream cars wrapped up in one ultra-cool electric SUV". Business Insider. https://www.businessinsider.com/rivian-r1s-electric-suv-review-drive-range-photos-price-2022-7. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Cortina, Miguel; Martin, Darren (August 31, 2022). "2022 Rivian R1S First Test: Another Showstopper". Motor Trend. https://www.motortrend.com/reviews/2022-rivian-r1s-first-test-review/. 
  4. ↑ "Rivian starts R1S customer deliveries". 29 August 2022. https://www.teslarati.com/rivian-r1s-customer-deliveries/. 
  5. ↑ "2022 Rivian R1S SUV: Review, Trims, Specs, Price, New Interior Features, Exterior Design, and Specifications" (in en-us). https://carbuzz.com/cars/rivian/r1s. 
  6. ↑ 6.0 6.1 6.2 Wiesenfelder, Joe. "2022 Rivian R1S Overview - An expert's take". https://www.cars.com/research/rivian-r1s-2022/. 
  7. ↑ "R1S - Rivian". https://rivian.com/r1s. 
  8. ↑ "2022 Rivian R1S: What We Know So Far" (in en-us). 2022-03-03. https://www.caranddriver.com/rivian/r1s. 
  9. ↑ "Inside the automotive startup taking EVs off-road" (in en-US). May 21, 2018. https://www.engadget.com/2018-05-21-rivian-ev-truck-suv-detroit.html. 
  10. ↑ "Rivian Reveals 'Skateboard' Chassis At Michigan Conference" (in en). https://www.wglt.org/show/wglts-sound-ideas/2018-06-19/rivian-reveals-skateboard-chassis-at-michigan-conference. 
  11. ↑ 11.0 11.1 11.2 Golson, Daniel (November 27, 2018). "The 2021 Rivian R1S Is an Electric Seven-Passenger SUV Claiming Supercar Acceleration". Car and Driver. https://www.caranddriver.com/news/a25323098/2022-rivian-r1s-electric-suv-photos-info/. 
  12. ↑ 12.0 12.1 12.2 12.3 12.4 12.5 12.6 Moloughney, Tom (March 1, 2022). "Rivian Announces Dual Motor And Smaller Battery Options; Hefty Price Increases". Inside EVs. https://insideevs.com/news/570503/rivian-dual-motor-price-increase/. 
  13. ↑ 13.0 13.1 Kane, Mark (March 12, 2022). "Rivian Announces New Tech Under Development". Inside EVs. https://insideevs.com/news/572896/rivian-new-tech-under-development/. 
  14. ↑ Banner, Justin (March 2, 2023). "Rivian R1S Gets R1T's Dual-Motor, Max Pack Configuration and Nearly Matches Its Big Range". Motor Trend. https://www.motortrend.com/news/rivian-r1s-electric-suv-will-get-max-pack-battery-dual-motor-awd/. 
  15. ↑ "Rivian R1S Vehicle Studio". Rivian Automotive. https://rivian.com/vehicle-studio/r1s. 
  16. ↑ Rimac. "Rivian R1S Specifications". https://rivian.com/r1s. 
  17. ↑ Rimac. "Rivian R1S Specifications". https://rivian.com/r1s. 
  18. ↑ Rimac. "Rivian R1S Specifications". https://rivian.com/r1s. 
  19. ↑ 19.0 19.1 19.2 Dnistran, Iulian (April 26, 2023). "Rivian Provides Update On Dual-Motor Production Ramp-up". Inside EVs. https://insideevs.com/news/664253/rivian-dual-motor-production-details/. 
  20. ↑ Shakir, Umar (April 7, 2023). "Rivian's new 'Performance' powertrain lets R1T reservation holders keep their big battery". The Verge. https://www.theverge.com/2023/4/7/23673961/rivian-performance-dual-motor-availability-max-pack-battery. 
  21. ↑ Agatie, Cristian (1 May 2023). "Rivian Dual-Motor Configurations Will Start Shipping This Month". Autoevolution. https://www.autoevolution.com/news/rivian-dual-motor-configurations-will-start-shipping-this-month-214323.html. 
  22. ↑ Stumpf, Rob (January 3, 2022). "Rivian Delays 400+ Mile Max Battery and Base Model R1T, R1S Until 2023". The Drive. https://www.thedrive.com/tech/43691/rivian-delays-400-mile-max-battery-and-base-model-r1t-r1s-until-2023. 
  23. ↑ Kolodny, Lara (March 10, 2022). "Rivian will follow Tesla and change the type of battery cells it uses in standard packs". CNBC. https://www.cnbc.com/2022/03/10/rivian-changing-battery-cells-to-lfp-following-tesla-and-high-nickel.html. 
  24. ↑ "2022 Rivian R1S". United States Environmental Protection Agency. https://www.fueleconomy.gov/feg/Find.do?action=sbs&id=44461. 
  25. ↑ 25.0 25.1 Mazzucchi, Steve (6 July 2022). "2022 Rivian R1S Review: Somehow, More Game-Changing Than Its Truck Brother". Gear Patrol. https://www.gearpatrol.com/cars/g40466277/2022-rivian-r1s-review/. 
  26. ↑ "R1S - Rivian". https://rivian.com/r1s. 
  27. ↑ 27.0 27.1 Jancer, Matt (August 30, 2022). "Review: Rivian R1T and R1S". Wired. https://www.wired.com/review/rivian-r1t-and-r1s/. Retrieved 26 October 2022. 
  28. ↑ 28.0 28.1 28.2 Loh, Edward (October 19, 2022). "2022 Rivian R1S SUVOTY Review: You'll Be Floored When You're not Roasting". Motor Trend. https://www.motortrend.com/news/2022-rivian-r1s-electric-suv-pros-cons-review/. 
  29. ↑ Markus, Frank (6 July 2022). "2022 Rivian R1S Electric SUV First Drive: Is Shorter Sweeter?". Motor Trend. https://www.motortrend.com/reviews/2022-rivian-r1s-first-drive-review/. 
  30. ↑ Evans, Scott; Walker, William (October 11, 2022). "What's the Difference Between a Rivian R1S and a Rivian R1T?". Motor Trend. https://www.motortrend.com/reviews/2022-rivian-r1t-yearlong-review-update-3-versus-r1s/. 
  31. ↑ 31.0 31.1 Ulitskaya, Jane (August 22, 2022). "Rivian Drops Most Affordable Explore Package for R1T, R1S". https://www.cars.com/articles/rivian-drops-most-affordable-explore-package-for-r1t-r1s-455841/. 
  32. ↑ 32.0 32.1 Clark, Mitchell (August 18, 2022). "Some Rivian customers aren't happy the company canceled its most affordable electric truck". The Verge. https://www.theverge.com/2022/8/18/23312081/rivian-r1t-r1s-price-increase-explore-package-discontinued. 
  33. ↑ 33.0 33.1 "Compare Rivian R1S SUV Adventure vs Explore vs Launch Edition" (in en-us). https://carbuzz.com/compare/rivian-r1s-suv-adventure-vs-explore-vs-launch-edition. 
  34. ↑ "What's included in the Adventure Package". Rivian. https://rivian.com/support/article/whats-included-in-the-adventure-package. 
  35. ↑ "What is Launch Edition". Rivian. https://rivian.com/support/article/what-is-launch-edition. 
  36. ↑ "Electric-Truck Maker Rivian Raises $1.3 Billion in New Funding" (in en). Bloomberg.com. 2019-12-23. https://www.bloomberg.com/news/articles/2019-12-23/electric-truck-maker-rivian-raises-1-3-billion-led-by-t-rowe. 
  37. ↑ Golson, Daniel (December 20, 2021). "Rivian delivers first R1S electric SUVs". Road/Show (CNet). https://www.cnet.com/roadshow/news/rivian-r1s-suv-delivery-production/. 
  38. ↑ Gunther, Cory (15 June 2022). "Rivian Delays Delivery of Its R1S Electric SUV, Again". Review Geek. https://www.reviewgeek.com/120950/rivian-delays-delivery-of-its-r1s-electric-suv-again/. 
  39. ↑ Dow, Jameson (August 27, 2022). "Rivian begins delivering its R1S electric SUV to customers". Electrek. https://electrek.co/2022/08/27/rivian-delivering-r1s/. 
  40. ↑ Jin, Hyunjoo (March 1, 2022). "Rivian raises EV prices by 20%, inviting customer ire, taunt from Musk". Reuters. https://www.reuters.com/technology/rivian-hikes-vehicle-prices-by-20-citing-inflationary-pressure-2022-03-02/. 
  41. ↑ Rosevear, John (March 3, 2022). "Rivian rolls back big price increases on preorders after customer backlash". CNBC. https://www.cnbc.com/2022/03/03/rivian-rolls-back-big-price-increases-on-pre-orders-after-customer-backlash.html. 
  42. ↑ Baldwin, Rosecrans (August 16, 2022). "Behind the Wheel of the Rivian R1S, the World's Most Hyped Electric SUV". Gentleman's Quarterly. https://www.gq.com/story/rivian-r1s-worlds-most-hyped-electric-suv. 

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