Vauxhall VXR8 — MPG & Fuel Costs 2025
Vauxhall's high-performance muscle saloon, powered by a massive Chevrolet V8 engine. Extremely thirsty.
The Vauxhall VXR8 was a rebadged Holden HSV import from Australia, featuring a front-mounted GM LS-series V8 engine and rear-wheel drive. It is a classic muscle car built for straight-line speed.
With engines displacement starting at 6.0 litres and rising to 6.2 litres, fuel economy is secondary to performance. It is one of the thirstiest cars on UK roads.
Real-world fuel consumption is low, averaging around 15 MPG in mixed driving. Motorway cruising can yield a maximum of 22 MPG if driven with extreme restraint.
TL;DR
15 MPG
Real-world petrol
73L
Tank capacity
£99.86
Full tank (petrol)
41.5p
Per mile (petrol)
Real-World Fuel Economy: The Vauxhall VXR8 achieves an estimated 15 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
15
Real-world MPG
Petrol
18.5
Official WLTP
Petrol
Annual fuel costs by mileage
| Annual mileage | Petrol |
|---|---|
| 5,000 miles/yr | £2073 |
| 7,400 miles/yr(UK average) | £3068 |
| 10,000 miles/yr | £4146 |
| 15,000 miles/yr | £6219 |
| 20,000 miles/yr | £8292 |
| Full tank (73L) | £99.86 |
| Cost per mile | 41.5p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the VXR8 compare?
Tips to get better MPG from your VXR8
Use the high torque of the LS3 V8 engine to short-shift into 6th gear as soon as possible.
Avoid hard acceleration from a standstill, as launching 1.8 tonnes eats fuel rapidly.
Use premium high-octane fuel to keep the engine running efficiently and avoid knock.
Is the cheaper petrol station worth it?
In a Vauxhall VXR8 achieving ~15 MPG real-world, if you fill 58 litres and the alternative station is 10p/litre cheaper:
£5.80
Gross saving on fuel
£1.24
Cost of 3-mile detour
£4.56
Net saving ✓
You could drive up to 14 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 Vauxhall VXR8?
The Vauxhall VXR8 achieves approximately 15 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 18.5 MPG due to real driving conditions. Diesel variants achieve around N/A MPG real-world.
How much does it cost to fill a Vauxhall VXR8?
The Vauxhall VXR8 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 Vauxhall VXR8?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Vauxhall VXR8 costs approximately £3068 per year in fuel. At 10,000 miles/year the cost rises to £4146. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Vauxhall VXR8?
In a Vauxhall VXR8 doing ~15 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 58-litre fill nets approximately £4.56 after the extra fuel cost. You could drive up to 14 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Vauxhall VXR8 cost per mile in fuel?
The Vauxhall VXR8 costs approximately 41.5p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £12.45 per day in fuel.
What is the WLTP MPG figure for the Vauxhall VXR8?
The official WLTP fuel economy figure for the Vauxhall VXR8 is 18.5 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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