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I have a 2007, 3 door Rabbit with the 2.5L engine standard shift, regular gasoline. I got the base model so it does not have all the bells and whistles so I have really no idea to figure out at what speed the car is most fuel efficient on the highway.
I am driving at about 59mph on the highway and then usually coast it down to just below 55mph. So far I have been averaging between 520 - 537 miles per tank without switching off the engine while hypermiling.

Anyone on here with some tips and tricks for me to get a bit better?

Thanks

I'd recommend a scangauge. It'll replace any bells and whistles that your car doesn't have. It'll tell you exactly what is the most efficient speed.

ps- I don't really feel like spending $150 on a scan gauge haha.

thanks though.

Then get an MPGuino for about $50.

Always shut off the engine when anticipated stop will exceed 5 seconds!!!
If You have to stop, shut off the engine prior coming to a complete stop. Time and optimize the engine start! Idling the engine is extremely inefficient and really' wrecks' Your mpg!!!
Try EOC (engine off coasting on gentle slopes where U can maintain a speed up to the speed limit without braking) when getting off the accelerator would slow You down.
EOC is a lot of fun, too if traffic is not busy. EOC can even save You miles on the odometer... -but- EOC needs some training, knowledge and confidence in Your cars abilities and behaviour!!!

I have Jetta, but they're both still the same platform and engine. Anyway, definitely a Sangauge II helps a lot. With a manual, your best bet is P&G. I just came back from a 500 mile trip to San Diego and averaged 44.1 mpg doing NICE-on P&G between 65-55 mph (and testing other things too).

I also just found out the "SAHM" parameters for the car: IGN ~40, LOD ~25 (need Scangauge to see these, or VAG-COM, but that's more cumbersome) on a flat road gives a speed of ~55 mph and ~50 mpg. But it's pretty difficult to maintain speed on anything but a flat or slight decline road.

Also, with regard to the cost of the Scangauge, you do make it up in fuel savings. For instance, I bought my car in June 2008 and have driven about 11k miles. The average gas price I've paid so far I estimate at about $3/gallon (higher last summer, lower this summer). Before getting the Scangauge and finding this site, the best I could get about 30 mpg/tank. Now my average is closer to 38mpg/tank. Over the course of having my car, I've saved at least 78 gallons. That translates to about $232.

ps- I don't really feel like spending $150 on a scan gauge haha.

thanks though.

It might sound expensive but it will pay for its self a hundred times over in the long run. I highly recommend it. Good luck!