Question 1

Which has lower long-term cost — BMW i5 or Toyota Sienna?

Accepted Answer

Based on national-average assumptions, the Toyota Sienna is about $42,193 cheaper to own over 5 years. The breakdown includes depreciation, insurance, fuel or energy, maintenance, financing, and registration. Your localized total may differ based on state fuel prices, insurance rates, and EV registration fees.

Question 2

Which is cheaper to insure — BMW i5 or Toyota Sienna?

Accepted Answer

Insurance varies by state, ZIP code, age, and credit tier. Enter a ZIP to see a localized estimate; both vehicles' national-average premiums are shown on the compare page.

Question 3

Which depreciates faster — BMW i5 or Toyota Sienna?

Accepted Answer

Depreciation over the first five years is itemized in the cost breakdown. Luxury and EV models typically lose more value in early years; segment leaders and Toyota/Honda hold value better.

Question 4

Is the BMW i5 better than the Toyota Sienna?

Accepted Answer

It depends on how you drive. The compare page scores both vehicles across five pillars — cost of ownership, powertrain, driver assistance, livability, and safety — combined into one MotiveGrid Score, alongside a 5-year cost breakdown and a clear verdict. Pick the one whose strengths match how you actually use a car.

Question 5

Why do these two vehicles get different ADAS (driver-assist) scores?

Accepted Answer

Our ADAS scale weighs sensor stack (radar + camera vs camera-only), hands-free operating domain (highway vs any divided road), driver-monitoring quality (eye-tracking vs torque sensor), and whether the system gets OTA improvements. Two vehicles can advertise the same feature names and still score 20+ points apart once operating envelope and update cadence are accounted for.

Question 6

Why does EV depreciation differ from a comparable gas vehicle?

Accepted Answer

EV residuals follow a different curve for three reasons. Aggressive manufacturer price cuts and subsidized lease deals compress the used market — a new EV often transacts well below MSRP, dragging down used values. Battery state-of-health uncertainty creates a risk premium on used EVs. And fast-improving charging speed, range, and ADAS hardware make a 3-year-old EV feel older than a 3-year-old gas car.

Metric	BMW i5	Toyota Sienna
MotiveGrid Score	71	75
Cost of Ownership	34	86
Powertrain	60	63
Driver Assistance	80	43
Livability	35	56
Safety	100	73
5-Year Cost to Own	$90,394	$48,201
Starting Price	$84,100	$40,820

BMW i5 vs Toyota Sienna

Where these rank

BMW i5 vs Toyota Sienna

BMW i5 vs. Toyota Sienna

Where these rank