Model X · 2021 · UK

2021 Tesla Model X Performance (pre-refresh)

341 miles of range (WLTP), a 98 kWh battery and Supercharging at up to 250 kW. Below: what that means for charging time and running costs, what each model year is worth now, and calculators that open with this car already chosen.

Dark grey Tesla Model X (2015–2020) in front three-quarter view, parked in fresh snow beside a modern building
Photo: Ivan Kazlouskij / Unsplash · Model X 2015–2020 shown
WLTP range
341 mi
Usable battery
98 kWh
10–80% Supercharging
≈ 30 min
Per mile at home
10.1p
vs 13.8p in a petrol car

Specs

WLTP range
341 miles
EPA rating (US test)
341 miles
Usable battery
98 kWh
Efficiency
346 Wh/mile (2.9 miles/kWh)
Peak Supercharging
250 kW
Onboard AC charger
16.5 kW
0–60 mph
2.6 s
Drive
AWD
Seats
5
Boot space (max)
about 2,490 litres
Wheels
20"
Battery chemistry
NCA — Panasonic 18650 NCA
Price new (approx.)
£102,980 incl. VAT

Late-2020 / early-2021 original-shape car. EV Database lists 98 kWh usable (estimate).

Charging and running costs

Supercharger, 10% → 80%
about 30 min (69 kWh, ≈ £36)
Home charger, empty → full
about 14.5 hours at 7.4 kW
A full charge at home
≈ £28.57 at 26.5p/kWh
Per mile, off-peak EV tariff
2.9p at 7.5p/kWh
Per mile, home charging
10.1p
Per mile, Supercharging
18.0p at £0.52/kWh
Per mile, petrol car (45 mpg)
13.8p

Estimates from the specs and UK average prices, including about 10% charging losses at home. Supercharging slows as the battery fills, so times vary with the site, the weather and the battery's temperature.

What it's worth now

Approximate value today in average condition with typical mileage, from the depreciation curves our calculators use.

YearValue nowOf new
2021£30,90030%

Based on an approximate price new of £102,980 including VAT. Options, mileage, condition and the local market move real prices a lot.

Run the numbers for this car

Each calculator opens with the 2021 Tesla Model X Performance (pre-refresh) already chosen.

Total cost of ownershipEvery cost of owning this car over the years you keep it Real-world rangeMiles at your speed, temperature and load Charging timeMinutes from any % to any % on any charger Battery health checkTurn the range it shows at 100% into battery health Part-exchange valueWhat this car is worth, three ways of selling Depreciation forecastIts value year by year from here Insurance estimateA ballpark premium by region, age and no-claims Home vs Supercharger costYour monthly charging bill for any mix

Battery and warranty

  • Chemistry: NCA (Panasonic 18650 NCA).
  • Battery and drive unit warranty: 8 years or 150,000 miles, with at least 70% of the battery's capacity guaranteed.
  • Badges can mislead: 60D cars use a 75 kWh pack limited by software. If yours has been unlocked, choose the 75D.

The last Model S and Model X were built at Fremont on 10 May 2026; 2026 was the final model year. (Wikipedia gives 13 May; contemporary reports say 10 May.)

Questions

What is the range of the 2021 Tesla Model X Performance (pre-refresh)?
It was rated at 341 miles (WLTP) when new. Real-world range is usually 10–25% lower, and less again in cold weather or at motorway speeds; the range calculator works it out for your conditions.
How big is the battery in the Tesla Model X Performance (pre-refresh)?
About 98 kWh usable, NCA chemistry (Panasonic 18650 NCA).
How long does the Tesla Model X Performance (pre-refresh) take to charge?
About 30 minutes from 10% to 80% on a Supercharger (it peaks at 250 kW). About 14.5 hours from empty to full on a 7.4 kW home charger.
How much is a 2021 Tesla Model X Performance (pre-refresh) worth now?
Roughly £30,900 in average condition with typical mileage, about 30% of its approximate price new. Mileage, condition, options and the local market move this a lot; the trade-in calculator gives a range for your car.
What does the Tesla Model X Performance (pre-refresh) battery warranty cover?
The battery and drive unit are covered for 8 years or 150,000 miles, with at least 70% of the battery's capacity guaranteed.

Other Model X versions

Every Tesla →

Figures are approximate public values (EPA, WLTP, EV Database, Tesla) as of 2026-10; see Methodology. Not affiliated with Tesla, Inc.