Lexus · model year 2026
2026 Lexus IS
Specifications and certified data for the 2026 model year. All Lexus IS model years →
UK certified builds2
Power140–170 hp
CO₂87–105 g/km
US EPA records2
2026 UK builds, engines & trims
| Build | Engine | Fuel | Gearbox | Power hp | CO₂ g/km | MPG | Record |
|---|---|---|---|---|---|---|---|
| Core Diesel | — | Diesel | Automatic | 170 | 87 | — | Dossier |
| Core Petrol | — | Petrol | Automatic | 140 | 105 | — | Dossier |
UK Vehicle Certification Agency fuel & emissions data and ACS catalogue records, Open Government Licence v3.0, VCA ↗.
2026 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | 3.5 L 6-cyl | Rear-Wheel Drive | Automatic (S8) | Premium | 22 | 403 | — | EPA ↗ |
| 2026 | 3.5 L 6-cyl | All-Wheel Drive | Automatic (S6) | Premium | 22 | 408 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
Sources
- UK VCA fuel & emissions data — https://carfueldata.vehicle-certification-agency.gov.uk/Open Government Licence v3.0
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.