Hybrid and petrol · 2013–2025
Lexus IS300H
Fuel use, running costs and specs for the Lexus IS300H. By the official figures, the 2025 uses 5.1 L/100km: 55 mpg UK, 46 mpg US.
- Fuel use
- 5.1 L/100km
- 2025 official
- UK mpg
- 55 mpg
- US mpg
- 46 mpg
- Seats
- 5
What a IS300H costs to run
At today's average petrol prices, by its official fuel use.
| Country | Average price today | Cost to drive | A typical year |
|---|---|---|---|
| New Zealand | $2.94/L petrol | $14.99 per 100 km | $1,649 |
| Australia | $2.41/L petrol | $12.30 per 100 km | $1,365 |
| United Kingdom | £1.74/L petrol | £14.31 per 100 miles | £1,002 |
| United States | $4.35/gal petrol | $9.44 per 100 miles | $1,274 |
A typical year: New Zealand 11,000 km (Ministry of Transport's average for a light vehicle); Australia 11,100 km (ABS Survey of Motor Vehicle Use average); United Kingdom 11,265 km (DfT National Travel Survey average of about 7,000 miles); United States 21,726 km (FHWA average of about 13,500 miles). Real costs depend on how and where you drive. Work out a particular trip.
Official figures by year
From the US EPA, the UK's DfT and NZTA, newest first.
| Year | Fuel | Uses | UK | US | Range |
|---|---|---|---|---|---|
| 2025 | Hybrid | 5.1 L/100km | 55 mpg | 46 mpg | — |
| 2024 | Hybrid | 5.1 L/100km | 55 mpg | 46 mpg | — |
| 2023 | Hybrid | 5.1 L/100km | 55 mpg | 46 mpg | — |
| 2022 | Hybrid | 5.1 L/100km | 55 mpg | 46 mpg | — |
| 2021 | Hybrid | 5.1 L/100km | 55 mpg | 46 mpg | — |
| 2020 | Hybrid | 4.9 L/100km | 58 mpg | 48 mpg | — |
| 2019 | Hybrid | 4.7 L/100km | 60 mpg | 50 mpg | — |
| 2018 | Hybrid | 4.5 L/100km | 62 mpg | 52 mpg | — |
| 2017 | Petrol | 4.9 L/100km | 58 mpg | 48 mpg | — |
| 2017 | Hybrid | 4.5 L/100km | 63 mpg | 53 mpg | — |
| 2016 | Hybrid | 4.4 L/100km | 65 mpg | 54 mpg | — |
| 2015 | Petrol | 4.3 L/100km | 66 mpg | 55 mpg | — |
| 2015 | Hybrid | 4.4 L/100km | 64 mpg | 54 mpg | — |
| 2014 | Petrol | 4.8 L/100km | 59 mpg | 49 mpg | — |
| 2014 | Hybrid | 4.4 L/100km | 64 mpg | 54 mpg | — |
| 2013 | Petrol | 4.8 L/100km | 59 mpg | 49 mpg | — |
| 2013 | Hybrid | 4.4 L/100km | 64 mpg | 54 mpg | — |
Lexus IS300H questions
What is the fuel consumption of the Lexus IS300H?
The 2025 Lexus IS300H uses 5.1 L/100km by its official figures: 55 mpg in UK gallons and 46 mpg in US gallons. Each year's figures are listed below.
How much does a Lexus IS300H cost to run a year?
At today's average petrol prices and a typical year's driving: $1,649 in New Zealand, $1,365 in Australia, £1,002 in United Kingdom, $1,274 in United States.
Cars like the IS300H
From other makes, closest in what they use.
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What will a drive in your IS300H cost?
Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and splits it between everyone in the car.
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