Diesel and petrol · 2016–2026
Mercedes-Benz GLS
MPG, running costs and specs for the Mercedes-Benz GLS. By the official figures, the 2024 gets 36 mpg, about £1,530 a year in the UK.
- MPG
- 36 mpg
- 2024 official · 7.8 L/100km
- A year's petrol
- £1,530
- at today's prices in the UK
- Seats
- 7
What a GLS costs to run
At today's average petrol prices, by its official fuel use, the UK first.
| Country | Average price today | Cost to drive | A typical year |
|---|---|---|---|
| United Kingdom | £1.74/L petrol | £21.86 per 100 miles | £1,530 |
| New Zealand | $2.94/L petrol | $22.90 per 100 km | $2,519 |
| Australia | $2.42/L petrol | $18.82 per 100 km | $2,089 |
| United States | $4.35/gal petrol | $14.42 per 100 miles | $1,946 |
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 |
|---|---|---|---|---|---|
| 2026 | Petrol | 13.4 L/100km | 21 mpg | 18 mpg | — |
| 2026 | Diesel | 7.8 L/100km | 36 mpg | 30 mpg | — |
| 2025 | Diesel | 7.8 L/100km | 36 mpg | 30 mpg | — |
| 2025 | Petrol | 13.5 L/100km | 21 mpg | 17 mpg | — |
| 2024 | Petrol | 13.1 L/100km | 22 mpg | 18 mpg | — |
| 2024 | Diesel | 7.8 L/100km | 36 mpg | 30 mpg | — |
| 2023 | Petrol | 12.7 L/100km | 22 mpg | 18 mpg | — |
| 2023 | Diesel | 7.7 L/100km | 37 mpg | 31 mpg | — |
| 2022 | Petrol | 12.6 L/100km | 23 mpg | 19 mpg | — |
| 2022 | Diesel | 7.7 L/100km | 37 mpg | 31 mpg | — |
| 2021 | Petrol | 12.0 L/100km | 24 mpg | 20 mpg | — |
| 2021 | Diesel | 7.7 L/100km | 37 mpg | 31 mpg | — |
| 2020 | Petrol | 13.0 L/100km | 22 mpg | 18 mpg | — |
| 2020 | Diesel | 7.7 L/100km | 37 mpg | 31 mpg | — |
| 2019 | Petrol | 11.3 L/100km | 25 mpg | 21 mpg | — |
| 2019 | Diesel | 7.7 L/100km | 37 mpg | 31 mpg | — |
| 2018 | Diesel | 7.6 L/100km | 37 mpg | 31 mpg | — |
| 2018 | Petrol | 12.3 L/100km | 23 mpg | 19 mpg | — |
| 2017 | Petrol | 12.2 L/100km | 23 mpg | 19 mpg | — |
| 2017 | Diesel | 7.6 L/100km | 37 mpg | 31 mpg | — |
| 2016 | Petrol | 12.2 L/100km | 23 mpg | 19 mpg | — |
| 2016 | Diesel | 7.6 L/100km | 37 mpg | 31 mpg | — |
Mercedes-Benz GLS questions
What MPG does the Mercedes-Benz GLS get?
The 2024 Mercedes-Benz GLS gets 36 mpg in UK gallons by its official figures (7.8 L/100km). Each year's figures are listed below.
How much does a Mercedes-Benz GLS cost to run a year in the UK?
About £1,530 a year at today's average petrol price of £1.74/L and a typical year's driving in the UK.
Cars like the GLS
From other makes, closest in what they use.
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What will a drive in your GLS 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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