VWCaddy petrol engines. There were no petrol engines at launch, but VW subsequently introduced three options for anti-diesel buyers, or those who mostly drive short distances around town: 1.2 TSI with 84hp / 160Nm; 1.0 TSI with 102hp / 17782 likes. Overall, Consumer Reports did not rate the reliability of the Volkswagen Tiguan very highly. In fact, despite having a great road test score of 84 out of 100, the Tiguan’s flaws, many of which were due to its reliability issues, lowered its overall score to just 61 out of 100. This low overall score puts the 2020 Tiguan at just Almosthalf of all latest-generation Volkswagen Golf hatchbacks -- and a small number of Jetta sedans -- are being called back to dealerships to iron-out a potential engine computer gremlin.. The models in question are powered by the 118TSI engine, a 1.4-litre twin-charge petrol motor. Volkswagen Australia executives have confirmed to TheTSI direct engine injection engine used by the Tiguan is prone to carbon buildup. Volkswagen Tiguan Reliability Compared to Similar Cars. Consumer Reports rankings detailed below is based on the model’s newest three years, the Volkswagen Tiguan sits right at the bottom, with a poor score of 17/100. 16L for non-turbo engine, 1.4L TSI and larger would suit your power needs. If you can find a 2.5L I5 engine, as stated above, you'll get what you want as well. Build Journal || Honestly, the 2.0t in these cars is one of the more reliable engines VW has ever put out. It isn't bullet proof like a 2.5l but if you know what to look for there TheTSI is listed at 31 MPG where the TDI is listed at 46 MPG. This is a massive difference in fuel economy. The TSI has an 80 litre fuel tank vs the 70 litre fuel tank for the TDI, which improves the range difference, but does not address the cost. There is the initial saving of £1,236 on the engine difference. 4min read. Reliability can be an issue for some Volkswagen models, from its sedans to its SUVs. That being said, the German brand’s cars are often more reliable HiI am looking to buy a 19 or 69 reg Karoq. Originally looking at the 1.5 tsi petrol engine, but have read loads of reviews of this engine fitted across Skoda/ VW / Seat range that has suffered lots of issues when cold resulting in ‘kangarooing’. I understand VW have issued a software fix, but i JeXz0q.