What Do the Numbers on New Audi Models Mean?
In recent years, many drivers have noticed numbers like 30, 35, 40, 45, and 50 on the back of new Audi models — and they’ve caused quite a bit of confusion.
- Does 35 mean a 3.5-liter engine?
- Does 50 mean 500 horsepower?
- Is it related to engine size or power output?
The answer is actually both simple and slightly technical.
Why Did Audi Abandon the Old Engine Size Badging?
In the past, car badges usually referred to engine displacement:
- 2.0 TDI
- 1.6 TFSI
However, modern automotive technology has changed significantly:
- Turbocharging became widespread
- The same engine size can now produce different power outputs
- Hybrid systems were introduced
- Electrified powertrains became common
Today, saying “2.0 engine” no longer clearly indicates performance.
For example, in a hybrid vehicle:
- How much power comes from the combustion engine?
- How much comes from the electric motor?
To eliminate this confusion, Audi replaced engine-size badges with a performance-based numbering system.
What Do the New Audi Performance Numbers Mean?
In Audi’s new system, the numbers on the rear badge represent:
The vehicle’s performance level, specifically its acceleration capability.
The basic idea is this:
Cars are categorized based on their average acceleration from 0 to 100 km/h (0–62 mph).
What Does “35” Mean on an Audi?
Let’s look at an example:
- 0–100 km/h acceleration: 8.2 seconds
- Average acceleration: approximately 3.4 m/s²
- This equals roughly 0.35 g of force
That’s where the 35 comes from.
It does not mean 3.5 liters.
It represents a performance level of about 0.35 g average acceleration.
What Does “50 TDI” Mean?
Another example:
- 0–100 km/h: 5.7 seconds
- Average acceleration: approximately 4.9 m/s²
- This equals roughly 0.50 g
Therefore, the badge reads 50.
It does not mean a 5.0-liter engine.
It represents a performance level of about 0.50 g.
How Are Audi Performance Numbers Categorized?
In general, the system works like this:
- 30 → Entry-level performance
- 35 → Adequate power for daily driving
- 40 → Stronger performance
- 45 → Sportier character
- 50 and above → High performance
It’s important to note that these numbers are not exact mathematical conversions. Audi groups vehicles into performance ranges, not precise formulas.
You’ll commonly see this system on models such as:
- Audi A3
- Audi A4
- Audi A6
- Audi Q5
Is This System Logical?
At first glance, it’s not easy to guess what the numbers mean.
However, from a technical standpoint, the system is explainable and consistent. It allows comparisons across:
- Gasoline engines
- Diesel engines
- Hybrid systems
- Mild-hybrid setups
Will Audi Continue Using This Numbering System?
Only time will tell.
But as electrification increases across the automotive industry, returning to traditional engine-displacement naming seems unlikely.
A performance-based naming system may become even more relevant in the long term — especially as electric vehicles make engine size meaningless.
Advantages of Audi’s Performance Numbering System
✅ Allows comparison independent of engine type
✅ Reduces confusion in hybrid and electric vehicles
✅ Represents real-world performance more accurately
Disadvantages
❌ Difficult to understand at first glance
❌ Takes time for customers to adapt
❌ Not an exact mathematical measurement (range-based system)
Final Thoughts
If you’ve ever wondered what the numbers on new Audi models mean, now you know:
They represent performance level based on acceleration, not engine size or horsepower.
As automotive technology continues to evolve, performance-based badging may become the new industry standard.
Sources
- Audi AG – Official Press Release (2017)
- Audi MediaCenter
- Audi USA