2021 Toyota Sienna

2021 is the launch year of the fourth-generation (XL40) Sienna, which dropped the previous generation's 296 hp 3.5L V6 for a hybrid-only 2.5L four with 245 hp combined. That is the lowest output in the minivan class (Odyssey 280 hp, Pacifica 287 hp).

Toyota publishes only the engine's 176 lb-ft, not a combined system torque, so that is the comparable figure; it understates real off-the-line thrust from the electric front motor but sits near the bottom of the minivan band against 262 lb-ft V6 rivals.

Adequate for family duty and brisk from a stop thanks to electric torque, but the slowest mainstream minivan (Odyssey ~7.0 s, Pacifica ~7.3 s).

Smooth and quiet around town with silent EV creep and seamless engine start/stop, but the 2.5L four revs high and sounds coarse and strained on highway merges and grades with a full load — the most common criticism of the 2021 redesign versus the outgoing V6.

Toyota's power-split eCVT has no gears to hunt and no shift shock; delivery is seamless. The only knock is the rubber-band flare of revs at full throttle, with the resulting noise scored under refinement.

Rated at 3,500 lbs, level with the Odyssey and Carnival and at the class norm — enough for a small boat or light utility trailer.

Electronic On-Demand AWD, driven by a separate 54 hp rear motor, is optional on every 2021 trim — the broadest AWD availability in the segment (Odyssey FWD-only, Pacifica AWD on select trims). It is a basic slip-triggered system with no low range or terrain modes, so it lands mid-band.

Pavement-oriented: for 2021 there is no rugged trim (the lifted Woodland Edition did not arrive until the 2022 model year), no skid plates, lockers or terrain modes. Available AWD and roughly 6.3 in of clearance make it competent on gravel and snow and nudge it above FWD-only rivals.

One powertrain on every trim — no gas-only, plug-in or EV option — with FWD/AWD the only choice. Slightly above single-V6 rivals because the one option is electrified, but well behind the Pacifica's V6-plus-PHEV pairing.

The 2021 redesign made the Sienna hybrid-only, and its 36 MPG combined is by far the best of any minivan — roughly 60-80% better than V6 rivals.

Hybrid EV creep and regenerative braking make city economy equal to highway, ideal for school-run and stop-and-go duty.

The hybrid advantage narrows at speed, but 36 MPG still leads V6 minivans by roughly 8-10 MPG.

An 18-gallon tank at 36 MPG combined gives about 650 miles between fills, the longest range in the minivan class.

EPA's current estimate puts the FWD Sienna at $1,850/yr on regular — the lowest of any minivan and well under V6 rivals.

Runs on regular 87-octane with no plug-in charging to arrange; the battery self-charges, so the efficiency costs the owner nothing extra.

The redesigned fourth-generation (XL40) Sienna, new for 2021, earned a 5-star NHTSA overall rating in its launch year; some sub-tests (rollover) sit below five stars, as is typical of the class.

The 2021 Sienna earned the IIHS Top Safety Pick+ with Good ratings in every crashworthiness test, including both small-overlap sides and the updated side test — a big step from the outgoing generation's Acceptable/Marginal small-overlap results. The tougher rear-passenger moderate-overlap test that later exposed minivans did not yet exist.

Toyota Safety Sense 2.0 is standard on every 2021 trim from LE up — pre-collision with pedestrian/low-light and cyclist detection, full-speed-range dynamic radar cruise, lane departure alert with steering assist, lane tracing assist, road sign assist and automatic high beams — and Blind Spot Monitor with Rear Cross-Traffic Alert is standard too. Rear cross-traffic braking and the 360-degree camera are reserved for upper trims.

The standard pre-collision system avoided collisions at 12 and 25 mph in the IIHS vehicle-to-vehicle test for a Superior rating, and earned Advanced in vehicle-to-pedestrian, avoiding at 12 mph and substantially reducing speed at 25 mph. No nighttime pedestrian result existed under the 2021 protocol.

Blind Spot Monitor and Rear Cross-Traffic Alert are standard on every 2021 trim, but they are alert-only; rear cross-traffic braking (Parking Support Brake) is optional on upper trims, and Safe Exit Assist did not arrive until later model years.

Lane Departure Alert with Steering Assist and Lane Tracing Assist are standard on all 2021 trims and center the van competently on well-marked highways, but TSS 2.0's centering can wander on faded lines and drops out at lower speeds without a lead vehicle.

Full-speed-range Dynamic Radar Cruise Control with stop-and-go is standard on every 2021 Sienna and pairs with Lane Tracing Assist for a capable hands-on highway assist; reviewers note smooth following with occasionally conservative braking and resume behavior.

No hands-free driving mode was offered on any 2021 Sienna trim; all assistance requires hands on the wheel.

Both the LED reflector and LED projector headlight variants earned Good ratings from IIHS, so every trim gets Good headlights, and automatic high beams are standard across the range.

A tall greenhouse and upright seating give a commanding forward view, while the redesigned body's higher beltline and thicker rear pillars leave more over-the-shoulder blind zone than the Odyssey; the available 360-degree Panoramic View Monitor and the Platinum's digital rearview mirror compensate on upper trims.

IIHS rated the 2021 Sienna's LATCH Good+, its top grade, with full LATCH hardware in five seating positions; combined with huge power sliding-door openings and long-slide second-row seats, it is among the easiest vehicles for multiple car seats.

2021 is the launch year of the XL40 Sienna; the volume LE/XLE grades offer the 8-passenger configuration, the top of the minivan band. Upper grades trade the eighth seat for captain's chairs.

40.1 in is mid-pack for a minivan — a shade under the Odyssey, well clear of the Pacifica.

The published 40.3 in is the shortest front legroom among mainstream minivans and sits just above the floor of the band, though the upright seating feels roomier in practice.

Second-row headroom near 40 in is at the top of the minivan band; the boxy roof pays off directly here.

39.9 in sits high in the band, and the published figure undersells the upper trims whose second row slides 25 in toward the rear.

38.7 in of third-row legroom and a 60/40 bench that reclines and folds into the rear well make it genuinely adult-usable, with walk-through access past sliding second-row seats. Third-row headroom (~37.4 in) and a low cushion keep it just shy of the Odyssey.

75.2 cu ft lands mid-band for minivans; the 33.5 cu ft well behind an occupied third row is deep and useful.

101 cu ft is well short of rivals that stow (Pacifica ~140 cu ft) or remove (Odyssey ~158 cu ft) their second rows; the Sienna's second row only slides.

The high 'bridge' console with open storage beneath, up to 18 cupholders, an available 1,500W inverter (XLE and up) and an available built-in refrigerator (Platinum) are genuinely clever. The non-stowing second row denies it the flat-floor trick that defines the class leaders.

The Super Long Slide captain's chairs with ottomans (Limited/Platinum FWD) make the second row exceptionally comfortable on long trips; front seats are supportive but relatively flat-cushioned and the low third row is fine rather than plush.

The new TNGA-K platform delivers a settled, well-damped ride with good body control; sharp impacts register more firmly on the 20-in wheels of XSE/Limited/Platinum.

Near-silent in EV mode around town, but the 2.5L four drones under hard acceleration and owners report noticeable road noise above about 50 mph.

Multi-zone automatic climate with rear vents is standard; heated front seats arrive at XLE, while ventilated fronts, a heated wheel and heated second-row chairs are concentrated on Limited/Platinum.

The all-new hybrid-only 2021 Sienna opened at $34,460 for the LE FWD before destination, a jump over the outgoing V6 van but still competitive with the Pacifica and Odyssey once equipment is matched.

The XLE is the volume trim, adding SofTex upholstery, heated power front seats, a moonroof and hands-free power doors/liftgate over the LE.

The Toyota Hybrid System II has no starter, alternator, accessory belt or conventional automatic to service, and regenerative braking extends brake life, so the Sienna sits at the low end of minivan maintenance costs; ToyotaCare absorbs the first two years.

The 2021 Sienna has held value exceptionally well — post-2021 used-market shortages and hybrid demand kept it trading near original sticker for years — making it the minivan resale benchmark.

Standard Toyota new-vehicle limited warranty at the industry floor, matching Honda and Chrysler and trailing Kia's 5-year coverage.

Headline powertrain coverage is the standard 5 yr / 60,000 mi, though the hybrid-only Sienna also carries 8-year hybrid-component and 10-year traction-battery coverage that the scored figure doesn't capture.

ToyotaCare includes 2 yr / 25,000 mi scheduled maintenance and 2 years of unlimited-mileage roadside assistance, plus Safety Connect and Wi-Fi/connected-service trials — a real package ahead of Honda and Chrysler, but shorter than Hyundai/Kia's 3-year programs.

$40,925 volume-trim price minus its estimated resale value after 5 years (70% retained, or about $28,648) leaves about $12,278 in depreciation. Add the projected $4,000 in 5-year maintenance and repairs, and owning this vehicle for 5 years costs about $16,278 in total.

2021 was the launch year of the fourth-generation (XL40) hybrid-only Sienna. Both major sources rate its predicted reliability as average: J.D. Power gives it 76/100 and warns that the figure is carried over from the outgoing generation, and Consumer Reports gives it a middling 3/5. It scores just below the 2022 car, which had launch-year problems fixed, but well above the Pacifica and Voyager.

Throughout the period this car was built and owned, Toyota stayed near the top of Consumer Reports' brand reliability rankings, alongside Lexus and Mazda. It also beat the industry average in J.D. Power's VDS. Scored in line with the other 2021–2022 Toyotas in this dataset.

The NHTSA feed lists four campaigns covering the 2021 Sienna, and none involves the engine, the hybrid system or the traction battery. Two are lineup-wide: an occupant-classification sensor short covering about 1M Toyotas, and a Skid Control ECU software update. The third is the third-row seatback-bolt campaign covering 2021–2025, and the fourth is a third-party wheelchair-conversion recall. The OCS airbag-sensor campaign is one more than the 2022 car has, so this scores slightly lower, though activity is still typical and nothing is systemic.

The powertrain is the 2.5L A25A-FXS engine paired with Toyota's planetary THS II e-CVT, the same family used in Camry, RAV4 and Highlander hybrids, which has a long high-mileage record. In this heavier van, though, 2021 was its first year, and the E-Four rear motor is van-specific, so there was no long-term van data yet.

Reviewers repeatedly criticized the new-generation cabin for hard plastics on the lower dash, the bridge console and the door panels on LE/XLE trims. At similar prices, its interior trails the Pacifica's and Odyssey's in perceived quality. Leather on Limited and Platinum doesn't change that.

Assembly at the Indiana plant is generally consistent. Launch-year owners did report scattered body-panel fitment issues, rattles and problems with the power sliding doors and kick sensors, so it scores a little below the 2022 car.

Toyota's US dealer network of roughly 1,200+ stores is one of the two densest among mainstream brands, and every store services hybrids routinely, which matters for a hybrid-only van. Service satisfaction is good but not the best in the class.

The engine and hybrid transaxle are shared with Toyota's highest-volume hybrids, so parts are plentiful and independent shops know the system. Van-specific hardware, such as the power sliding-door mechanisms, liftgate parts and kick sensors, is mostly dealer-sourced, and an out-of-warranty traction battery is still a four-figure repair.

Every 2021 Sienna gets a 9-inch touchscreen; the 12.3-inch unit did not arrive until the 2025 refresh.

The Entune 3.0-era system is functional with physical knobs and hard climate keys, but its graphics and menus were already dated at launch and slower than Uconnect 5.

Apple CarPlay and Android Auto are standard on every trim but wired only — wireless projection was not offered until the 2025 model year.

Built-in Alexa compatibility and Dynamic Navigation on upper grades are useful, but native voice recognition is basic and most owners default to phone projection.

A 1,200-watt, 12-speaker JBL system is standard on XSE/Limited/Platinum — a branded premium option the Odyssey lacks — while the LE (6 speakers) and XLE (8 speakers) base systems are adequate.

2021 pairs analog gauges with a 7-inch color multi-information display on every trim; no full-digital cluster was offered until the 2025 refresh.

Dynamic Navigation provides cloud map updates on equipped trims, but the Entune-era head unit has no meaningful over-the-air software update path.

Toyota Connected Services include remote start, lock/unlock and vehicle status via the app plus a Wi-Fi hotspot, but Remote Connect reverts to a paid subscription after the trial.

Seven USB ports spread through the cabin, Qi wireless charging on upper grades and an available 1,500W/120V inverter from XLE up make it one of the best-powered vans for devices.

Smart Key with push-button start and dual power sliding doors are standard; app remote start is subscription-based and hands-free sliding doors/liftgate are upper-trim items. No phone-as-key.

A backup camera with projected path is standard; Bird's Eye View with Perimeter Scan, front/rear sonar and a digital rearview mirror come on upper grades (standard on Platinum).

A 10-inch color HUD is offered, but only on the top Platinum grade.

Standard dual power sliding doors, a low step-in, Good+ LATCH in five positions and the deep 33.5 cu ft well behind the third row make family logistics easy; the second row slides but cannot stow or be easily removed.

IIHS Top Safety Pick+ with Good ratings across the then-current crash tests, NHTSA 5-star overall, and TSS 2.0 plus Blind Spot Monitor with RCTA standard on every grade including the LE.

Multi-zone climate, seven USB ports, an adult-usable third row, available 11.6-in rear entertainment and second-row ottomans, plus real luggage space with all seats filled.

Silent electric creep in traffic, a shift-free eCVT and standard full-speed adaptive cruise make it relaxing; engine drone on hard merges and the van's size are the irritants.

36 MPG combined on regular fuel is roughly 60% better than V6 rivals, with low maintenance costs and brake wear spared by regen.

A 203.7-in-long van with a 38.3 ft turning circle (39.2 ft on 20-in wheels) is a handful in tight garages; sliding doors and good glass help, and Bird's Eye View is upper-trim only.

3,500 lb towing and 101 cu ft cover light duty, but no flat load floor because the second row does not stow, and 245 hp is modest under load.

Toyota's hybrid system is the most fleet-proven in the industry and the Sienna is a livery staple; as a first-year redesign it is slightly less proven than later model years.

An available 1,500W inverter, cargo-well tie-downs and a strong mobility-conversion aftermarket help, but there are no washable surfaces or flat floor; the Woodland Edition with standard hitch had not arrived yet.

About 650 miles per tank, standard full-speed adaptive cruise with lane tracing, a composed ride and lounge-like second row; engine drone on grades and highway road noise are the blemishes.

Electric on-demand AWD on every trim is unique among 2021 minivans except the Pacifica, and the inverter helps camping, but there is no rugged trim, roughly 6.3 in of clearance and no off-road hardware.

The deep third-row well swallows luggage and the third row folds flat into it, but the fixed second row limits max volume to 101 cu ft versus 140–158 cu ft for Pacifica and Odyssey.

The lower TNGA-K floor and battery under the front seats keep it planted and predictable, but soft tuning brings body roll and modest grip; reviewers rank the Odyssey ahead for body control.

Light, accurate electric steering that is easy in parking lots but offers little feedback.

Regen-to-friction blending is smooth, but the pedal is soft initially and Consumer Reports' testing of the 2021 drew criticism of its braking, prompting owner-forum discussion.

Seamless EV pull-away and invisible engine starts make it smoother at low speed than V6 rivals; full-throttle response suffers from eCVT rev flare.

Silent around town, but the 2.5L four drones loudly on merges and grades — the most repeated criticism of the 2021 redesign versus the outgoing V6.

38.3 ft for the volume LE/XLE is mid-band for minivans — wider than the Odyssey, tighter than the Pacifica.

Upright, commanding seating with good adjustment and physical climate/audio controls; the tall bridge console crowds the driver's knee and blocks front walk-through, and the 9-in screen sits a reach away.

A pleasant, efficient appliance with no driver appeal: numb steering, soft body control and a droning four under load.

Even the $35.6K LE includes the hybrid powertrain, Toyota Safety Sense 2.0, tri-zone automatic climate, dual power sliding doors, a power liftgate and a 9-inch touchscreen with Apple CarPlay/Android Auto/Alexa and Wi-Fi — generous for a base minivan, though heated seats and leatherette require the XLE.

Every 2021 Sienna is a 36-MPG hybrid with AWD available on every trim for about $2K, at prices comparable to V6 rivals returning ~22 MPG; combined with segment-best resale, the content-plus-running-cost case is the best in the class.

Five well-spaced trims (LE, XLE, XSE, Limited, Platinum) from ~$35.6K to ~$51.6K, AWD on all, and 7- or 8-passenger seating on the XLE cover most budgets; the single hybrid powertrain and the absence of the later Woodland/Nightshade variants are the gaps.

The redesigned hybrid Sienna launched to demand that outstripped supply, with long dealer waitlists through 2021–2022, and it immediately ranked among the top US minivans alongside the Pacifica and Odyssey.

Toyota's reliability-and-resale reputation is the strongest of any mainstream brand and is exactly what risk-averse family buyers pay for; not aspirational, but a clear net positive on residuals.

The 2021 launch coincided with the semiconductor shortage: inventory was scarce and Siennas routinely sold at or above MSRP with dealer markups, leaving buyers essentially no discounts versus the incentive-heavy Pacifica.

2021 is the launch year of the fourth-generation (XL40) Sienna on the TNGA-K platform with an all-new hybrid-only powertrain — the newest design in the segment at the time, years ahead of the 2018 Odyssey and 2017 Pacifica.

Reviewers praised the 36-MPG hybrid, available AWD and upscale cabin, and it earned IIHS Top Safety Pick+ honors; but comparison tests often favored the Odyssey or Pacifica on refinement and seat flexibility, citing eCVT drone under load and non-removable second-row seats.