Spy photographers have caught the sedan variant of the next-generation S3 sedan out performing hot weather testing. While S3 Sportback variants have been previously spied, the arrival of a pre-production sedan body style is more interesting to American buyers where the 4-door is the sole body style for the S3. As with the first-generation A3/S3 sedan, this next-generation car appears to stick with its B5-harkening upright 4-door body style rather than going for lower-slung proportions ...