WLTP vs. real-world range: the gap
The WLTP rating (Worldwide Harmonised Light Vehicles Test Procedure, Europe's official range test) is a standardized lab test under ideal conditions: 73°F ambient temperature, no climate control running, moderate highway speeds. In practice, you'll typically see:
- Summer, mixed driving (68–77°F): 80–90% of the WLTP number
- Summer, sustained highway speed (80 mph): 65–75% of the WLTP number
- Winter, 32°F with the heat on: 55–70% of the WLTP number
Rule of thumb: plan around 70% of the WLTP number for a realistic range estimate, and you'll stay safe even in cold weather at highway speed.
2026 range comparison: every major model

| Model | Battery (net) | WLTP | Real (summer) | Max DC |
|---|---|---|---|---|
| Tesla Model 3 Long Range | 70 kWh | 391 mi / 629 km | ~310 mi | 250 kW |
| Hyundai IONIQ 6 77 kWh | 74 kWh | 381 mi / 614 km | ~305 mi | 240 kW |
| Mercedes EQS 450+ | 108 kWh | 487 mi / 784 km | ~375 mi | 200 kW |
| BMW iX xDrive50 | 105 kWh | 391 mi / 630 km | ~305 mi | 200 kW |
| VW ID.4 GTX 82 kWh | 77 kWh | 331 mi / 533 km | ~260 mi | 175 kW |
| VW ID.3 Pro S (77 kWh) | 72 kWh | 348 mi / 560 km | ~275 mi | 135 kW |
| Audi Q4 e-tron 82 kWh | 77 kWh | 332 mi / 534 km | ~260 mi | 175 kW |
| Kia EV6 AWD 77 kWh | 74 kWh | 314 mi / 506 km | ~250 mi | 240 kW |
| Renault Megane E-Tech | 57.5 kWh | 292 mi / 470 km | ~230 mi | 130 kW |
| Peugeot e-208 54 kWh | 50.8 kWh | 249 mi / 400 km | ~193 mi | 100 kW |
| Fiat 500e 42 kWh | 37.3 kWh | 199 mi / 320 km | ~149 mi | 85 kW |
| Dacia Spring 26 kWh | 24.4 kWh | 137 mi / 220 km | ~106 mi | 30 kW |
Source: manufacturer WLTP figures 2026 · real-world figures: average of independent test data and community reports
What actually affects range?
Six main factors determine how far your EV really goes:
- Speed: at 80 mph, an EV uses roughly double the energy it does at 55 mph. Aerodynamics matter a lot – which is why sleek models (IONIQ 6, Tesla) get such strong range.
- Temperature: cold weather can cost up to 30% of range (heating plus reduced battery output). A heat pump helps a lot: it uses 30–40% less energy than resistive heating.
- Climate control: AC draws 1–2 kW, resistive cabin heating without a heat pump draws 3–5 kW. Preconditioning while plugged in reduces the impact significantly.
- Driving style: smooth acceleration and using regenerative braking can save up to 20% versus an aggressive driving style.
- Cargo/roof load: every 220 lbs of extra weight costs roughly 4% of range.
- Battery aging: after 8 years/100,000 miles, batteries typically lose 10–20% of capacity, depending on charging habits.
Winter range: concrete tips

Winter is the biggest challenge for EV drivers. These steps help:
- Precondition while plugged in – bring the car up to temperature while still connected to power (costs no battery energy)
- Use seat heating instead of the blower – seat heaters use 100–150W versus 3–5 kW for cabin heating
- Check tire pressure – cold weather lowers it, and under-inflated tires cost range
- Turn on Eco mode – caps power output and cuts consumption by 10–15%
- Charge to 90% – a fuller battery performs more efficiently in the cold than a half-full one
More on winter driving: EV range in cold weather.
Planning range: how far can I go on one charge?
For long trips, these tools help most:
- ABRP (A Better Route Planner): calculates optimal charging stops with realistic consumption estimates
- Manufacturer navigation: automatically builds charging stops into the route based on current battery level
- The charging map: find every highway fast charger and plan your stops
Road trip rule of thumb: charge to 80% and plan a 20-minute stop every 125–155 miles. You'll barely be slower than driving a gas car.
Maximizing range: 7 tips for more miles
- Precondition the cabin/battery while plugged in: saves battery energy for the actual drive
- Use Eco mode: automatically trims power and climate control, cutting consumption by 10–20%
- Use adaptive cruise, not a heavy foot: driving 75 mph instead of 80 mph saves 8–12% energy
- Maximize regenerative braking: one-pedal driving recovers real energy back into the battery
- Check tire pressure: 3 psi low can mean 2–3% higher consumption
- Go easy on the AC: seat heating over the blower (80W vs. 2–4 kW)
- Cap daily charging at 80%: protects the battery and preserves more capacity long-term
More on battery care: EV battery lifespan and care. Precise consumption data: EV energy consumption compared.
Frequently asked questions
Why does my car show less range than the official rating?
WLTP/EPA figures are measured in controlled lab conditions. Real-world range is always lower. Cold weather, highway speeds and heater use are the most common causes. The range display also factors in your recent driving style.
Which EV has the longest range in 2026?
By official rating, the Mercedes EQS 450+ leads at 487 miles, followed by the Tesla Model S at roughly 440 miles. Real-world achievable range is closer to 340–375 miles in normal mixed driving. For most drivers, 250–310 miles of real-world range is more than enough.
Does range decrease over the years?
Yes, batteries lose capacity over time – typically 10–20% over 10 years or 125,000 miles. Contributing factors: frequent DC fast charging to 100%, high heat, deep discharges. With healthy charging habits (daily 80%, DC charging only when needed), the loss is minimal.
Charge along the way: Highway EV charging guide · EV charging card comparison · EV range in cold weather · Charging time calculator