Fuel Insights
Tank Alert Editorial Team · ·
Everything you need to know about fuel prices in Germany, including the new rule in force since April 1, 2026
New pricing rule since April 1, 2026
Stations may now raise prices only once per day at 12:00
Germany introduced a new market rule for E5, E10 and diesel: since April 1, 2026, stations may increase a fuel price only once per day, and only at 12:00. Price cuts remain allowed at any time. For drivers, this makes the hours before noon more strategic, because later upward adjustments can no longer be repeated throughout the day.
What this changes
The period before 12:00 matters more
The rule does not guarantee permanently lower prices. It does, however, limit multiple spontaneous mark-ups within the same day. If you compare prices in the morning and use alerts, you can react earlier to the only permitted daily increase.
Time window
12:00
A station may raise the price of a fuel only at this time, and only once per day.
Applies to
E5, E10, diesel
The rule applies to the main road-fuel types relevant for drivers in Germany.
Penalty
up to €100,000
According to the Bundestag, violations of the new pricing rule can lead to fines.
How Tank Alert interprets it
- Before 12:00, direct comparison becomes more important because the market can no longer push prices upward repeatedly later in the day.
- After 12:00, price reductions remain possible. A later refuel can still pay off; only the pattern behind price movements changes.
- ADAC notes that the rule does not automatically guarantee a lower daily average. Drivers still need to compare prices instead of trusting a single blanket time recommendation.
Official sources
Based on primary-source reporting
Annual Outlook
Fuel Prices 2026
What to expect this year
Iran Crisis & Oil Price
ADAC: slight easingIran Crisis & Oil Price
On April 9, 2026, ADAC reported a first slight easing in diesel and E10 after the sharp early-April rise. The overall level remains high because the oil market and the new noon rule still keep the market tense.
Price Forecast 2026
€1.90-2.10
The Iran war and CO2 tax have pushed prices to yearly highs. Experts expect continued volatility while the conflict persists.
CO2 Tax Increase
€55/tonne
The CO2 levy rises to €55 per tonne, adding approximately 4-5 cents per liter to fuel prices.
Best Refueling Time
check before & after 12:00
The new rule makes the hours before 12:00 more strategically relevant. Price cuts later in the day are still possible, so comparing remains essential.
E-Fuels Development
New 2026
New EU regulations for synthetic fuels take effect, expanding options at the pump.
Stations with data
11
Report period
7
Last updated
Jul 18, 2026, 7:05 AM
Weekly overview
Average Fuel Prices
Based on verified price data from monitored stations.
Diesel
€2.076
7-day average
E5
€2.136
7-day average
E10
€2.076
7-day average
Best day to refuel
Wed, Jul 15
Average price €2.051
Most expensive day
Fri, Jul 17
Average price €2.175
Price movement
Weekly Volatility
Range between highest and lowest daily averages.
Diesel
€0.159
7-day range
E5
€0.117
7-day range
E10
€0.115
7-day range
Day details
Daily Averages
Aggregated daily averages from all monitored stations.
| Day | Diesel | E5 | E10 | Daily average |
|---|---|---|---|---|
| Sun, Jul 12 | €2.015 | €2.102 | €2.042 | €2.053 |
| Mon, Jul 13 | €2.028 | €2.109 | €2.048 | €2.062 |
| Tue, Jul 14 | €2.061 | €2.130 | €2.070 | €2.087 |
| Wed, Jul 15 | €2.033 | €2.089 | €2.030 | €2.051 |
| Thu, Jul 16 | €2.144 | €2.181 | €2.121 | €2.149 |
| Fri, Jul 17 | €2.174 | €2.205 | €2.146 | €2.175 |
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