Driving on the Autobahn 🇩🇪
Germany's Autobahn is one of the most famous road networks in the world — and one of the few places where you can legally drive at unrestricted speeds on a motorway. For UK drivers planning a European road trip, understanding how the Autobahn works and what it'll cost in fuel is essential planning.
Quick facts: The Autobahn has no general speed limit on around 70% of its length. The recommended speed is 130 km/h (81 mph). Driving much faster significantly increases fuel consumption and costs. German petrol is currently around €1.75/litre (~149p) — cheaper than the UK.
Autobahn speed limits — what UK drivers need to know
The Autobahn is famous for sections with no speed limit, but the reality is more nuanced than the myth:
| Section type | Speed limit | Approx. % of network |
|---|---|---|
| No general speed limit (Richtgeschwindigkeit) | Recommended 130 km/h | ~70% |
| Permanent speed limit | Typically 120 or 130 km/h | ~15% |
| Variable speed limit (electronic signs) | 80-120 km/h | ~10% |
| Road works / urban sections | 60-80 km/h | ~5% |
Important for UK drivers: Even on unrestricted sections, the Richtgeschwindigkeit (advisory speed) of 130 km/h applies. If you're involved in an accident at higher speeds, you can be found partially liable even if you weren't at fault — because exceeding the advisory speed is considered contributing to risk.
How Autobahn driving affects your fuel costs
The freedom to drive faster comes at a real fuel cost. Here's how speed affects consumption in a typical family car (40 MPG rated at 80 mph / 130 km/h):
| Speed | Fuel efficiency vs 130 km/h | Cost per 100km | Impact on 500km trip |
|---|---|---|---|
| 110 km/h (68 mph) | ~8% better | ~€9.50 | Save ~€2.50 |
| 130 km/h (81 mph) | Baseline | ~€10.35 | — |
| 150 km/h (93 mph) | ~12% worse | ~€11.60 | Cost ~€6.25 more |
| 180 km/h (112 mph) | ~28% worse | ~€13.25 | Cost ~€14.50 more |
| 200 km/h (124 mph) | ~42% worse | ~€14.70 | Cost ~€21.75 more |
The physics is unforgiving — aerodynamic drag increases with the square of speed. Driving at 200 km/h requires roughly four times the force to overcome air resistance compared to 100 km/h. The fuel bill reflects this directly.
Fuel costs for popular Autobahn routes
Based on German Super 95 at €1.75/litre and a 40 MPG car driving at 130 km/h:
German fuel prices vs UK — is it cheaper to fill up in Germany?
| Fuel type | Germany (May 2026) | UK (May 2026) | Difference |
|---|---|---|---|
| Petrol (Super 95 / E10) | €1.75/L (~149p) | 156.8p/L | ~7p/L cheaper in Germany |
| Diesel (B7) | €1.70/L (~145p) | 188.8p/L | ~44p/L cheaper in Germany |
Germany is slightly cheaper for petrol and significantly cheaper for diesel compared to the UK. If you're driving a diesel car, filling up in Germany rather than the UK (where possible) generates meaningful savings on a long trip.
Essential tips for UK drivers on the Autobahn
What UK drivers need to carry in Germany
Since Brexit, UK drivers need the following documents and equipment for driving in Germany:
- Valid UK driving licence
- Vehicle registration document (V5C)
- Motor insurance certificate (check it covers EU driving)
- GB sticker or number plate with GB identifier
- Warning triangle
- High-visibility vest (one per person in the car)
- First aid kit
- Passport (not required for driving but for entry to Germany)