In a market segment that's dominated by body-on-frame architecture, BMW is absolutely committed to welded unitized body
construction, with subframes fore and aft.
Many models reflect the European look with a sparing use of chrome and a unitized body
construction that eliminates annoying rattles.
Body style/layout: The new Elantra is a front-engine, front-wheel-drive, compact economy car of unitized body
"When you get into the mass-produced, high-volume situation, there's a significant challenge in making this method make financial sense for passenger cars." For these vehicles, Marando says the trend is toward body-integrated-frame construction, where frame elements are integrated into a unitized body
Body style/layout: Unitized body
construction; front engine, all-wheel drive; four side doors and rear liftgate (power operation optional).