Kia Sorento — MPG & Fuel Costs 2025
Kia's large premium 7-seater SUV, offering massive family practicality alongside highly competent diesel and hybrid running costs.
TL;DR
35 MPG
Real-world petrol
33 MPG
Real-world diesel
67L
Tank capacity
£91.66
Full tank (petrol)
17.8p
Per mile (petrol)
Real-World Fuel Economy: The Kia Sorento achieves an estimated 35 MPG (petrol) and 33 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 67-litre tank completely costs approximately £91.66 (petrol) or £95.21 (diesel) at average UK fuel price rates.
Fuel economy at a glance
35
Real-world MPG
Petrol
40.9
Official WLTP
Petrol
33
Real-world MPG
Diesel
38.7
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £888 | £979 |
| 7,400 miles/yr(UK average) | £1315 | £1449 |
| 10,000 miles/yr | £1777 | £1958 |
| 15,000 miles/yr | £2665 | £2936 |
| 20,000 miles/yr | £3554 | £3915 |
| Full tank (67L) | £91.66 | £95.21 |
| Cost per mile | 17.8p | 19.6p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Sorento compare?
Tips to get better MPG from your Sorento
The Sorento is heavy; avoid aggressive starts to keep fuel consumption down.
Keep the third row folded flat when not in use to save weight.
Check tyre pressures before loading up the cabin for family trips.
Is the cheaper petrol station worth it?
In a Kia Sorento achieving ~35 MPG real-world, if you fill 54 litres and the alternative station is 10p/litre cheaper:
£5.40
Gross saving on fuel
£0.53
Cost of 3-mile detour
£4.87
Net saving ✓
You could drive up to 30 miles round-trip before the saving disappears entirely.
Calculate for your exact situationPopular variants
Frequently asked questions
What is the real-world MPG of the Kia Sorento?
The Kia Sorento achieves approximately 35 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 40.9 MPG due to real driving conditions. Diesel variants achieve around 33 MPG real-world.
How much does it cost to fill a Kia Sorento?
The Kia Sorento has a fuel tank of 67 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £91.66. Diesel costs approximately £95.21 for a full tank.
What is the annual fuel cost for a Kia Sorento?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Kia Sorento costs approximately £1315 per year in fuel. At 10,000 miles/year the cost rises to £1777. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Kia Sorento?
In a Kia Sorento doing ~35 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 54-litre fill nets approximately £4.87 after the extra fuel cost. You could drive up to 30 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Kia Sorento cost per mile in fuel?
The Kia Sorento costs approximately 17.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £5.34 per day in fuel.
What is the WLTP MPG figure for the Kia Sorento?
The official WLTP fuel economy figure for the Kia Sorento is 40.9 MPG. However, real-world MPG is typically 10–15% lower than WLTP due to cold starts, air conditioning, motorway speeds, and varying loads. WorthThePump uses a 12% real-world penalty to give a more accurate estimate.
Related guides
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