MG HS — MPG & Fuel Costs 2025
MG's largest mid-size family crossover, offering vast cabin space and equipment at a budget price point.
TL;DR
31 MPG
Real-world petrol
55L
Tank capacity
£75.24
Full tank (petrol)
20.1p
Per mile (petrol)
Real-World Fuel Economy: The MG HS achieves an estimated 31 MPG in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 55-litre tank completely costs approximately £75.24 at average UK fuel price rates.
Fuel economy at a glance
31
Real-world MPG
Petrol
37.2
Official WLTP
Petrol
Annual fuel costs by mileage
| Annual mileage | Petrol |
|---|---|
| 5,000 miles/yr | £1003 |
| 7,400 miles/yr(UK average) | £1485 |
| 10,000 miles/yr | £2006 |
| 15,000 miles/yr | £3009 |
| 20,000 miles/yr | £4012 |
| Full tank (55L) | £75.24 |
| Cost per mile | 20.1p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the HS compare?
Tips to get better MPG from your HS
The HS is heavy; drive smoothly and avoid sudden bursts of speed.
Charge the PHEV battery nightly to maximize electric-only running.
Check tyre pressures regularly to prevent rolling resistance drag.
Is the cheaper petrol station worth it?
In a MG HS achieving ~31 MPG real-world, if you fill 44 litres and the alternative station is 10p/litre cheaper:
£4.40
Gross saving on fuel
£0.60
Cost of 3-mile detour
£3.80
Net saving ✓
You could drive up to 22 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 MG HS?
The MG HS achieves approximately 31 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 37.2 MPG due to real driving conditions. Diesel variants achieve around N/A MPG real-world.
How much does it cost to fill a MG HS?
The MG HS has a fuel tank of 55 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £75.24. Diesel costs approximately £78.16 for a full tank.
What is the annual fuel cost for a MG HS?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a MG HS costs approximately £1485 per year in fuel. At 10,000 miles/year the cost rises to £2006. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a MG HS?
In a MG HS doing ~31 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 44-litre fill nets approximately £3.80 after the extra fuel cost. You could drive up to 22 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the MG HS cost per mile in fuel?
The MG HS costs approximately 20.1p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £6.03 per day in fuel.
What is the WLTP MPG figure for the MG HS?
The official WLTP fuel economy figure for the MG HS is 37.2 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
Find the cheapest fuel for your HS
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