Doing research to replace the Bonneville for the wife, we discovered that the BMW 335i twin turbo coupe was the closest replacement to the SSEi. Sounds weird, but very true. The features, the styling, everything made her think the BMW was SSEi like. The 335i is a little smaller, but gets 30 mpg highway for a car that does a 14 second quarter mile.
3 series is about the size of a malibu. no where near the size of a bonnie that gets the same or better mileage, i could care less about quarter mile time for a DD as long as it can get get out of its own way.