2021 McLaren 720S Spider

Two-seater · gas

Fuel economy
18mpg1
CO₂ 505 g/mi · 314 g/km2
Fuel cost
Power
hp
Crash rating
5
1 recall campaign6
Test weight
lb
Warranty
yr

6 figures for this car, from EPA and NHTSA; sign in free to read them.

How much to run it18 mpg ·
Combined
18 mpg1EPA
EPA test cycle, combined · configuration 720S Spider
City · highway
mpgEPA
Tailpipe CO₂
505 g/mi2EPA314 g/km
tailpipe rating, driven as rated on the test cycle · 314 g/km
Fuel, per year
How it performs
Power
Engine
Transmission
Drive
How safe1 recall
Crash rating
Recall campaigns
NHTSA recall register, campaigns naming 720S Spider (2021) · as of
Complaints per 10,000 built
Complaints on file
How big
Kerb weight
8
EPA test weight
lbEPA
Class
Two-seaterEPA
the publisher's own vehicle class
Body
Convertible
as the register states it
Ownership
Warranty

Notes and sources

  1. Fuel economy: EPA combined test-cycle figure for the configuration 720S Spider. EPA data dated 2026-09-09, the latest modifiedOn date EPA records in vehicles.csv.
  2. CO₂: EPA's tailpipe rating for the car driven as rated on the test cycle — 505 g/mi, or 314 g/km.
  3. Crash rating: NHTSA's crash-rating programme lists no rated vehicle of this car (asked 2026-09-21), so no rating is stated.
  4. Recall campaigns: NHTSA's count for this nameplate (720S Spider), as of . Each is repaired free of charge by dealers.
  5. Not published for this car. The record's own reason is free to read with an account.
  6. Not published for this car. The record's own reason is free to read with an account.
  7. This car is measured on the petrol scale: miles per gallon, the tailpipe CO₂ rating and horsepower. MPGe and charge-weighted CO₂ are electric-scale quantities and do not apply to it.
  8. Price: no free, resellable source publishes a price for any 2021 car sold in the United States, so none is shown for any car in this market.

Sources: EPA · NHTSA — about these sources →