12. Jaguar XJ8/XJR (X308, Manual Swap)

The Jaguar XJ8 and XJR (X308) deliver classic British luxury with a powerful V8 and rear-wheel drive. While these elegant sedans were only offered with automatics from the factory, enthusiasts have begun swapping in manual transmissions for a more engaging driving experience. This conversion unleashes the X308’s hidden sporting potential, blending old-world charm with hands-on performance. Manual-swapped XJRs are especially sought after by those craving something both refined and thrilling. For more on the X308’s appeal, visit this PistonHeads feature.