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2018 Toyota

Sienna 2WD

Auto (S8), 6 cyl, 3.5 L

Toyota Sienna: best and worst years
2018 Toyota Sienna 2WD (photo 1 of 2)
PhotoOWS PhotographyCC BY 4.0Wikimedia Commons

Overview

Body
Minivan - 2WDEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

HP
295
Power to weight
0.064 hp/lb
Axle ratio
3.00
Cyl
6EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
NoEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
27 mpgEPA, from EPA, last updated 6/11/2026
MPG City
19 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
22 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$2,850EPA, from EPA, last updated 6/11/2026
CO₂
410 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
4/10EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
200 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
78 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
71 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
119 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
4,608 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
7
Owner complaints
67
Reported injuries
6

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • POWER TRAIN19%
  • UNKNOWN OR OTHER16%
  • FUEL/PROPULSION SYSTEM11%
  • ELECTRICAL SYSTEM7%
  • AIR BAGS6%
  • ENGINE6%

Source: NHTSA owner complaints, 83 total.

Toyota Sienna: best and worst years

Warranty manufacturer terms, by make

Basic
3 yr / 36k mi
Powertrain
5 yr / 60k mi
Roadside assistance
2 yr
Maintenance
2 yr / 25k mi
EV battery
10 yr / 150k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.