BMW Z8 — MPG & Fuel Costs 2025
BMW's exclusive, classic V8 roadster. Offering retro styling, outstanding performance, and collector-level exclusivity.
The BMW Z8 is an exclusive, retro-styled roadster built to pay homage to the classic 507, featuring an all-aluminum spaceframe and chassis.
It is powered by the legendary 400hp 5.0-litre S62 V8 engine sourced directly from the E39 M5, delivering a supercar-like driving experience.
Real-world fuel economy is low, with the V8 averaging around 16 MPG under typical mixed driving conditions.
TL;DR
16 MPG
Real-world petrol
73L
Tank capacity
£99.86
Full tank (petrol)
38.9p
Per mile (petrol)
Real-World Fuel Economy: The BMW Z8 achieves an estimated 16 MPG in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 73-litre tank completely costs approximately £99.86 at average UK fuel price rates.
Fuel economy at a glance
16
Real-world MPG
Petrol
19.5
Official WLTP
Petrol
Annual fuel costs by mileage
| Annual mileage | Petrol |
|---|---|
| 5,000 miles/yr | £1943 |
| 7,400 miles/yr(UK average) | £2876 |
| 10,000 miles/yr | £3887 |
| 15,000 miles/yr | £5830 |
| 20,000 miles/yr | £7774 |
| Full tank (73L) | £99.86 |
| Cost per mile | 38.9p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Z8 compare?
Tips to get better MPG from your Z8
The high-performance V8 engine is thirsty; keep acceleration progressive to manage fuel usage.
Cruise in top gear on highway trips to keep engine revs low.
Ensure the throttle body and mass airflow sensors are clean to optimize fuel metering.
Is the cheaper petrol station worth it?
In a BMW Z8 achieving ~16 MPG real-world, if you fill 58 litres and the alternative station is 10p/litre cheaper:
£5.80
Gross saving on fuel
£1.17
Cost of 3-mile detour
£4.63
Net saving ✓
You could drive up to 15 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 BMW Z8?
The BMW Z8 achieves approximately 16 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 19.5 MPG due to real driving conditions. Diesel variants achieve around N/A MPG real-world.
How much does it cost to fill a BMW Z8?
The BMW Z8 has a fuel tank of 73 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £99.86. Diesel costs approximately £103.73 for a full tank.
What is the annual fuel cost for a BMW Z8?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a BMW Z8 costs approximately £2876 per year in fuel. At 10,000 miles/year the cost rises to £3887. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a BMW Z8?
In a BMW Z8 doing ~16 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 58-litre fill nets approximately £4.63 after the extra fuel cost. You could drive up to 15 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the BMW Z8 cost per mile in fuel?
The BMW Z8 costs approximately 38.9p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £11.67 per day in fuel.
What is the WLTP MPG figure for the BMW Z8?
The official WLTP fuel economy figure for the BMW Z8 is 19.5 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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