Top 16 Fuel Additives

Discover the UK's favourite fuel additives, see how shoppers rate them, and learn where you can buy them across 15 supermarkets.
1
Carlube
Petrol Injector

Where to buy

£4.28
£7.69
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2
Energizer
STP Complete Fuel System Cleaner Petrol

Where to buy

£10.12
£11.99
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3
Redex
Diesel System Cleaner
250ml

What people say

11 reviews from 4 shops
“Very happy with purchase”
“Very easy to pour in”

Where to buy

£4.50
£5.00
£5.00
+1
STORE
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4
Redex
Petrol System Cleaner
250ml

Where to buy

£4.50
£4.50
£5.00
+2
STORES
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5
Redex
Emissions Reducer Petrol

Where to buy

£9.00
£10.09
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6
Carlube
Diesel Injector Cleaner

Where to buy

£4.28
£7.19
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7
Carlube
Petrol Treatment

Where to buy

£6.00
£8.99
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8
Redex
Petrol Power Booster

Where to buy

£6.49
£8.87
£9.13
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9
Redex
Super Fast Emissions Reducer Petrol
250ml

Where to buy

£12.19
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10
STP
GST59200EN Diesel Injector Cleaner Packaging label may vary
200ml

Where to buy

£5.97
£6.99
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11
STP
Petrol Injector Cleaner Mechanical Car Cleaning Products Concentrated Cleaning Formula Mechanical Car Cleaning Products Made in the UK
200ml

Where to buy

£5.90
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12
Redex
Super-Fast Diesel Emissions Reducer

Where to buy

£9.00
£10.00
£10.00
+1
STORE
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13
Carlube
Diesel Treatment

Where to buy

£5.72
£6.00
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14
Energizer
STP Complete Fuel System Cleaner Diesel
400ml

Where to buy

£10.12
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15
Redex
Emissions Reducer Diesel

Where to buy

£9.00
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16
Redex
Diesel Booster

Where to buy

£7.36
£9.13
£13.19
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Diesel Cleaners