Buying a used Aveo LT1.6, 2006 model, CNG fitted & on paper, 53000 km done @3.3L - Please advise

Exterior

I have not driven this car. The car looks great from outside. Especially the size and ground clearance attracted me a lot.

Interior (Features, Space & Comfort)

I have not driven this car. The car looks fine from interior with dual colour tone and the music player quality.

Engine Performance, Fuel Economy and Gearbox

I have not driven this car. I genuinely do not have any idea of the engine performance. Especially worried for fuel economy and maintenance issues. I have also heard of gear shift noise. I have not driven this car. I genuinely do not have any idea of the engine performance. Especially worried for fuel economy and maintenance issues. I have also heard of gear shift noise.I have not driven this car. I genuinely do not have any idea of the engine performance. Especially worried for fuel economy and maintenance issues. I have also heard of gear shift noise.

Ride Quality & Handling

 I have not driven this car.

Final Words

 Kindly guide with the performance of Chevvy Aveo 1.6LT on CNG. I am going to finalize a used car fitted with CNG, 2006 model, 53000 kms done.

Areas of improvement  

 I have not driven this car.

 

Style, exteriors & interiors, powerfuel economy, maintenance, serviceability