The Lemon Index2020 Toyota Sienna.
The 2020 Toyota Sienna is one of the most reliable years by owner complaints: 22 complaints in its first 3 years and a Lemon Index of 16, where 100 is the average car. Owners complain most about engine, it has 2 recalls, and it gets 20 to 21 mpg combined. It's the best Toyota Sienna year we track.
One of the most reliable. 6.2× fewer complaints than average.
Worst year 2004
Before you buy. What matters most for this car.
How serious. Out of 38 owner complaints, owners reported:
Every Toyota Sienna year. 2020 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 4K to 30K miles on the car (11 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 2
- fuel system, gasoline 2020
If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
- steering 2019
The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Toyota told dealers about
Toyota sent dealers 153 repair notes for this car. The ones about its biggest problems:
- REVISION NOTICE July 03, 2019 Rev1: ?
- Engine oil leak condition
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Safety
Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Toyota SIENNA VAN FWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
| Toyota SIENNA VAN AWD | ★★★★★ | ★★★★☆ | ★★★★★ | ★★★★☆ |
Fuel cost and engines
About $3050–3200 a year in fuel (EPA estimate). Engines: 3.5L 6-cyl.
In owners' words
The fuel pump needs replaced and has been recalled. The recall can cause an increased risk of a crash. We still haven't had this replaced in a timely manner and it's not safe for my small children.
2020 Toyota Sienna owner · NHTSA complaint 11405145
Quick answers
Is the 2020 Toyota Sienna reliable?
Yes, it is one of the most reliable by government complaints. It drew 6.2× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 16; 100 is average, lower is better).
What are the most common 2020 Toyota Sienna problems?
In owner complaints to the government, the parts named most are engine (23%), fuel or ev drive system (23%) and transmission & drivetrain (18%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2020 Toyota Sienna have?
2 safety recalls (latest: fuel system, gasoline). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2020 Toyota Sienna get?
20 to 21 mpg combined, depending on the engine (EPA estimate).
Is the 2020 Toyota Sienna safe?
NHTSA gave it 5 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.
Does the 2020 Toyota Sienna have transmission problems?
Transmission and drivetrain issues make up 18% of its owner complaints.
How much does the 2020 Toyota Sienna cost in fuel a year?
About $3050 to $3200 a year, by the EPA's current estimate.
What engines does the 2020 Toyota Sienna have?
3.5L 6-cyl.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works