Audi Engines Explained!

Audi Engines Explained!
16 May 2019
By Ross Wild
Audi is known throughout the world for their creativity, impeccable performance and classy interiors in their vehicles. They have made their way into the premium market and offer a wide range of different vehicles to choose from. However, as amazing as their vehicles are, something which caused controversy a couple of years ago was the way in which Audi changed the way that they resemble their engine sizes. Previous to the change and like most other manufacturers, a 1.4L Audi, for example, would have a “1.4” sticker on the rear of the vehicle; however, they introduced 25,30,35 TFSI/TDI in the new Audi engines. This left many people throughout the world wondering "what do the new Audi numbers mean?" 

It turns out that it is simply an indication of the power of the vehicle itself and each number, ie (25), means that a cars BHP is in a certain threshold. We can presume that Audi has made this change to put more of a focus on the actual raw power of their vehicle's instead of its engine size. 


Available Engines, Specifications and Which Models?

Below, we have listed all of the new available engines within Audi's range and included their fuel type, the engine size it corresponds with, its brake horsepower range and the available models for each engine. Check them out below!


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25 TFSI

Fuel: Petrol

Engine Size: 1.0L

BHP: 95 (107 and below)

Quickest 0-62: 10.8s

Top Speed: 118 mph 

Example MPG (Combined): N/A

Models with this engine: A1


30 TFSI

Fuel: Petrol

Engine Size:

A1: 1.0L

A3: 1.0L

BHP:  (109-129 bhp)

Audi A1: 116

Audi A3:  116

0-62:

A1: 9.5s

A3: 9.9s

Top Speed:

A1: 126 mph

A3: 131 mph

MPG (Combined):

A1: 58.9 mpg

A3: 55.4 mpg

Models with this engine: A3 Sportback, A3 Saloon, A1


30 TDI

Fuel: Diesel

Engine Size:

A3: 1.6L

Q2: 1.6L

BHP: (109-129 bhp):

A3: 116

Q2: 116 

0-62:

A3: 10.4s

Q2: 10.3s

Top Speed:

A3: 127 mph

Q2: 122 mph

MPG (Combined):

A3: 64.2 mpg 

Q2: 57.6 mpg

Models with this engine: A3 Sportback, A3 Saloon, Q2


35 TFSI 

Fuel: Petrol

Engine Size:

A1: 1.5L

A3: 1.5L

A4: 2.0L

Q3: 1.5L

Q2: 1.5L

A5: 2.0L

BHP:  (148-161 bhp)

A1: 150

A3: 150

A4: 150

Q3: 150

Q2: 150 

A5: 150

Quickest 0-62:

A1: 7.7s

A3: 8.2s

A4: 8.6s

Q3: 9.6s

Q2: 8.5s

A5: 8.9s

Top Speed:

A1: 137 mph

A3: 137 mph

A4: 139 mph

Q3: 131 mph

Q2: 131 mph

A5: 140 mph

Example MPG (Combined):

A1: 55.4 mpg

A3: 51.4 mpg

A4: 47.1 mpg

Q3: 46.3 mpg

Q2: 51.4 mpg

A5: 47.9 mpg

Models with this engine: A1, A3 Sportback, A3 Saloon, A3 Cabriolet, A4 Saloon, A4 Avant, Q3, Q2, A5 Coupe, A5 Sportback


35 TDI 

Fuel: Diesel

Engine Size: 2.0L

A3: 2.0L

A4: 2.0L

A5: 2.0L

Q2:  2.0L

Q3: 2.0L

BHP: (145-159 bhp)

A3: 150

A4: 150

A5: 150

Q2: 150

Q3: 150

Quickest 0-62

A3: 8.1s

A4: 8.9s

A5: 9.1s

Q2: 8.1s

Q3: 9.2s

Top Speed

A3: 135 mph

A4: 136 mph

A5: 134 mph

Q2: 131 mph

Q3: 128 mph

Example MPG (Combined): 

A3: 62.8 mpg

A4: 61.4 mpg

A5: 61.4 mpg

Q2: N/A

Q3: 58.9 mpg

Models with this engine: A3 Sportback, A3 Saloon, A4 Saloon, A4 Avant, A5 Sportback, Q2, Q3


40 TFSI 

Fuel: Petrol

Engine Size:

A1: 2.0L

A3: 2.0L

A4: 2.0L

A5: 2.0L

TT: 2.0L

Q3: 2.0L

BHP: 165-198 BHP

A1: 200

A3: 190

A4: 190

A5: 190

TT: 197

Q3: 190

Quickest 0-62:

A1: 6.5s

A3: 6.2s

A4: 7.3s

A5: 7.3s

TT: 6.6s

Q3: 7.4s

Top Speed:

A1: 146 mph

A3: 146 mph

A4: 150 mph

A5: 150 mph

TT: 155 mph

Q3: 136 mph

Example MPG (Combined):

A1: 47.1 mpg

A3: N/A

A4: 47.9 mpg

A5: 47.9 mpg

TT: N/A

Q3: 37.7 mpg

Models with this engine: A1, A3 Sportback, A3 Saloon, A3 Cabriolet, A4 Saloon, A4 Avant, A5 Sportback, A5 Coupe, A5 Cabriolet, TT Coupe, TT Roadster, Q3


40 TDI

Fuel: Diesel

Engine Size: 2.0L

A3: 2.0L

A4: 2.0L

A5: 2.0L

A6: 2.0L 

A7: 2.0L

Q5: 2.0L

BHP: 165-198 BHP

A3: 184

A4: 190

A5: 190

A6: 204

A7: 204

Q5: 190

Quickest 0-62:

A3: 6.8s

A4: 7.7s

A5: 7.7s

A6: 8.1s

A7: 8.3s

Q5: 7.9s

Top Speed:

A3: 147 mph

A4: 150 mph

A5: 149 mph

A6: 152 mph

A7: 152 mph

Q5: 135 mph

Example MPG (Combined):

A3: N/A

A4: 62.8 mpg

A5: 62.8 mpg

A6: N/A

A7: 57.6 mpg

Q5: 51.4 mpg

Models with this engine: A3 Sportback, A3 Saloon, A4 Saloon, A4 Avant, A4 Allroad, A5 Sportback, A5 Coupe, A5 Cabriolet, A6 Avant, A6 Saloon, A7 Sportback, Q5


45 TFSI

Fuel: Petrol

Engine Size: 2.0L

A4: 2.0L

A5: 2.0L

A6: 2.0L

A7: 2.0L

TT: 2.0L

Q3: 2.0L

Q5: 2.0L

BHP: 223- 244 BHP

A4: 245

A5: 245

A6: 245

A7: 245

TT: 245

Q3: 230

Q5: 245

Quickest 0-62

A4: 5.8s

A5: 5.8s

A6: 6s

A7: 6.2s

TT: 5.5s

Q3: 6.3s

Q5: 6.4s

Top Speed

A4: 155 mph

A5: 155 mph

A6: 155 mph

A7: 155 mph

TT: 155 mph

Q3: 144 mph

Q5: 147 mph

Example MPG (Combined): 

A4: N/A

A5: N/A

A6: 42.8 mpg

A7: N/A

TT: N/A

Q3: 37.7 mpg

Q5: N/A

Models with this engine: A4 Saloon, A4 Avant, A4 Allroad, A5 Sportback, A5 Coupe, A5 Cabriolet, A6 Saloon, A7 Sportback, TT Coupe, TT Roadster, Q3, Q5


50 TDI

Fuel: Diesel

Engine Size: 3.0L

A4: 3.0L

A5: 3.0L

A6: 3.0L

A7: 3.0L

A8: 3.0L

Q7: 3.0L

Q8: 3.0L

BHP: 278-304 BHP

A4: 286

A5: 286

A6: 286

A7: 286

A8: 286

Q7: 286

Q8: 286

Quickest 0-62:

A4: 5.2s

A5: 5.2s

A6: 5.5s

A7: 5.7s

A8: 5.9s

Q7: 6.3s

Q8: 6.3s

Top Speed:

A4: 155 mph

A5: 155 mph

A6: 155 mph

A7:  155 mph

A8: 155 mph

Q7: 152 mph

Q8: 152 mph

Example MPG (Combined):

A4: N/A

A5: N/A

A6: 50.4 mpg

A7: 48.7 mpg

A8: 50.4 mpg

Q7: 41.5 mpg

Q8: 41.5 mpg

Models with this engine: A4 Saloon, A4 Avant, A4 Allroad, A5 Sportback, A5 Coupe, A5 Cabriolet, A6 Avant, A6 Saloon, A7 Sportback, A8 Saloon, Q7, Q8


55 TFSI

Fuel: Petrol

Engine Size: 3.0L

A6: 3.0L

A7: 3.0L

A8: 3.0L

Q8: 3.0L

BHP: 324-363 BHP

A6: 340

A7: 340

A8: 340

Q8: 340

Quickest 0-62:

A6: 5.1s

A7: 5.3s

A8: 5.7s

Q8: 5.9s

Top Speed:

A6: 155 mph

A7: 155 mph

A8: 155 mph

Q8: 155 mph

Example MPG (Combined):

A6: N/A

A7: 39.2 mpg

A8: 35.8 mpg

Q8: N/A

Models with this engine: A6 Avant, A6 Saloon, A7 Sportback, A8 Saloon, Q8


Which Engine is Best For You? 

It's no lie that Audi's new naming system is quite confusing; but once you realise that it is simply an indication of power as opposed to engine size, then the new numbering system is actually quite self-explanatory. However... you may be wondering "which engine is best for me?" as you may place more importance on acceleration or economy. For this problem, we have created the tables below to give you an indication on which new Audi engine may be best suited to you: 

 PETROL-TFSI
- ENGINE
Fastest Accelerating (0-62 mph) 45 TFSI (5.5 Seconds)- Audi TT
Highest Top Speed 45 TFSI/ 55TFSI - 155 mph Cap
Best Combined Fuel Economy 30 TFSI- (55.4 mpg A3 Sportback)
BHP 55 TFSI (324-363 BHP)


 DIESEL- TDI
- ENGINE
Fastest Accelerating (0-62 mph) 50 TDI- (5.2 Seconds)- Audi A4
Highest Top Speed 50 TDI- 155 mph Cap
Best Combined Fuel Economy 30 TDI- (64.2 mpg)- A3 Sportback
BHP 50 TDI- 278-304 BHP


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What about the RS and S models?

The S and RS models are the performance variants of the standardised vehicles which have much more powerful engines and incredible technology to go along with it. It turns out that Audi's new engine names don’t actually apply to any S or RS models. To take the Audi S3 for example; the S3 simply features ‘S3’ on the rear and the same applies to an RS5 and so on.

Audi Rs and S

Thank you for reading our latest blog explaining Audi engine names, we hope you have a better understanding of what they mean now. If you enjoyed this one, be sure to check out some of our other latest blogs and related pages!


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