Which Volkswagen and Audi Models Share the Same Engine?

Volkswagen and Audi, despite being separate brands, share several engines due to their common parent company—the Volkswagen Group. This sharing enables both brands to optimize performance and efficiency while maintaining distinct brand characteristics and features. This article explores numerous examples of shared engines across these brands.

Inline-4 Engines

Both brands use inline-4 engines in their models, though with some variations in specific models:

1.0TSI

Volkswagen: Polo, Golf, T-Cross Audi: A1

1.5TSI

Volkswagen: Golf, Tiguan, Passat Audi: A3, Q2

Inline-5 Engines

Both brands also share inline-5 engines:

2.5 TFSI (Turbocharged Fuel Stratified Injection)

Volkswagen: Golf R, Audi TTR Audi: RS3, TTRS

V6 Engines

V6 engines are another commonality between these brands:

3.0 TDI (Diesel)

Volkswagen: Touareg, Passat Audi: Q7, A6, A7

3.0 TFSI

Volkswagen: Touareg Audi: Q7, A6, A7, A8

V8 Engines

Both brands offer V8 engines, particularly in their luxury models:

4.0 TFSI

Volkswagen: Touareg, Q8, Audi RS6, RS7 Audi: Q8, A8, RS6, RS7

Electric Powertrains

Electric powertrains are another shared technology, with both brands using the MEB platform:

MEB (Modular Electric Toolkit) Platform

Volkswagen: ID.4, ID.3 Audi: Q4 e-tron

Engine Differences and Specificity

While the engines themselves share common components, there are differences in power outputs and tuning between Volkswagen and Audi. For instance:

The 2.0 I-4 turbo TFSI is used in many Volkswagen and Audi models, but with variations in power output. The 2.0 turbo diesel TDI was common to both car ranges during the emissions scandal, but the newer models have different specifications. The W16 engine in the Bugatti is developed from the VR6 engine used by Volkswagen.

Many components are similar or nearly the same, but some key differences exist due to brand-specific tuning and features. These differences can impact the overall performance and cost, with Audi parts generally being more expensive.

Always check specific model years for engine availability and configurations, as they can vary.