In the first generation range (pre-facelift), SW variants are, indeed, slightly – about 21 mm, longer than sedans, but became of equal length after the facelift. Second generation SW cars stand in the middle in terms of size, being 28 mm longer than the regular 508 sedans, but 92 mm shorter than the 508L.
Peugeot 508 RXH has ground clearance of 183 mm (7.2 in.).
Peugeot 508 II GT 1.6 PureTech Automatic is the best-performing variant in terms of speed, delivering power of 225 Hp, acceleration from 0 to 100 km/h in 7.3 sec, and a top speed of 250 km/h (155.34 mph).
Peugeot 508 range offers 2 types of hybrid variants. For full hybrids, fuel economy figures are 3.3 - 4 l/ 100 km (71.28 – 58.8 mpg), while plug-in hybrids take fuel consumption even lower - 2.2 l/ 100 km (106.92 mpg).
Yes, in the second generation range, a plug-in hybrid Peugeot 508 SW is available.
Yes, Peugeot 508 is a front-wheel-drive car, with exception of the Full hybrid variants in the range, which are all-wheel-drive.
No, despite looking somewhat high-end, Peugeot 508 is not a part of the luxury car segment.
According to owners. Peugeot 508 performs well in terms of reliability, with the only common issues reported being water leaking into the boot, as well as, some problems with the electronics.