Just bought a 2005 S60 2.5T 150K mi., and getting about 22 mpg with snow tires. What can i expect with normal tires? Is this low?

I have an 03 S60 2.4L base model and I get 28 mpg overall. 30+ on highway @ 75 mph!

Is their something wrong with the 2.5T or is this normal?

 

I get 29 highway 22 city with my '08 S60 2.5T. The snow tires probably decrease your mileage a bit.