| Volkswagen's Eos convertible returns for 2010 with no | | | | turbocharger built into the exhaust manifold, with an |
| changes to its standard 2.0-liter turbocharged four. The | | | | air-to-air intercooler to reduce the temperature of the |
| 3.2-liter VR6 engine available in earlier years was | | | | compressed charge before it enters the intake |
| dropped in 2009. | | | | manifold. Maximum boost pressure is 13.1 psi, producing |
| The Eos shares its turbocharged, 16-valve 2.0 TSI | | | | 200 horsepower and 207 lb-ft of torque. |
| engine with the Volkswagen GTI and Jetta Wolfsburg | | | | While a 2.0-liter engine producing 100 horsepower per |
| Edition. The TSI engine is undersquare, with an iron | | | | liter might sound peaky, the 2.0 TSI is optimized for |
| block, an aluminum head, twin balance shafts, and | | | | low-end and mid-range power. There is very little turbo |
| chain-driven dual overhead camshafts, with variable | | | | lag, and Volkswagen claims that 100% of the engine's |
| timing for the intake cam. It features VW's Fuel | | | | maximum torque is available from 1,800 to 5,000 rpm. |
| Stratified Injection (FSI) system, which injects fuel | | | | Reviewers note, however, that it runs out of breath at |
| directly into the combustion chambers at up to 1,600 | | | | higher engine speeds. |
| psi, improving both power and fuel economy. Directly | | | | Because the Eos weighs substantially more than a GTI |
| injecting fuel also cools the intake charge before | | | | or Jetta with the same engine, it is somewhat slower, |
| combustion, which reduces the risk of detonation, | | | | although the 2.0-liter engine gives it good overall |
| despite a compression ratio of 9.6:1, high for a | | | | performance. The TSI engine is quiet and fairly refined, |
| turbocharged engine. | | | | even in aggressive driving. |
| The 2.0 TSI has a single BorgWarner K03 | | | | |