Question: Which Audi vehicle debuted first, the Audi Steppenwolf or the Audi TT?
Sentence (from "Audi Steppenwolf"): Powered by a 3.2L V6 engine with four-wheel drive, the Steppenwolf had several novel features, including four-level adjustable air suspension (similar to the Audi allroad quattro), a removable carbon fibre hardtop or optional soft top, and an electro-hydraulic parking brake.
Relevant evidence: No