Altis is has good fuel efficiency.

When I had mine (Altis E) I get 8-9 kms/lit on city driving with traffic yun (Makati-Mandaluyong-QC), and 20 kms/lit on highway driving (Mandaluyong to Pampanga, travelling in NLEX at constant 80 kms/hr.

I'm very conscious of measuring my mileage each time I fill up (to the brim everytime).

Hindi pa maganda ang break in ng ride ko nun. When I got it brand new, hindi ko na dinala ng province for the break in. I was mostly confined in city driving.

There was a test conducted by DOE on 1.6 liter cars. In that test, believe it or not, the Altis registered 26 kms/liter. They travelled from the Fort to Lipa via star tollway and back. They started at 4 a.m. sunday morning so walang traffic. Baka hindi sila naka air con nun kaya mataas mileage nila. Kahit ano gawin ko hindi ko makuha yung 26 kms/lit sa Altis ko eh.

The Civic is not as fuel efficient as the Altis. I know since my nephew has a 2005 Civic.

Pero di hamak na mas maganda ang ride ng Civic kaysa sa Altis, the engine is more spirited and you will love its sound in high rev. The Altis has a boomy sound when you reach 4,000 rpm.

There are trade offs to both.

Hope this helps.