Fifth GearSeason 272018 · 8 episodesEpisodes1Fifth Gear.S27E01Jason and Tiff test two saloons against each other on the track, the Mercedes AMG C63 S and Alfa Romeo Giulia Quadrifoglio. Guest star Ronnie O'Sullivan tests the DS 7 Crossback.2Fifth Gear.S27E02Jonny Smith visits Kia's top secret test facility to investigate how far manufactures will go in the pursuit for reliability. Plus, the team reviews the electric Nissan Leaf.3Fifth Gear.S27E03Jason Plato is joined by former F1 driver Karun Chandhok to see who will be crowned king of the hot-hatches. The team test the first Mercedes pick-up truck, the X-Class.4Fifth Gear.S27E04Jason Plato reviews the Audi S5 and the Kia Stinger to see which offers the better deal. Snooker legend Ronnie O'Sullivan test drives a hydrogen-powered Hyundai Nexo.5Fifth Gear.S27E05Jonny Smith and Vicki Butler-Henderson go head to head as they review two 4x4 off-road vehicles. Plus, Vicki looks at some of the best deals to be found on SUVs.6Fifth Gear.S27E06Former F1 driver Karun Chandhok returns to battle Jason Plato on the track in two of the most sought-after super cars, the Porsche 911 GT3 RS and the Nissan GT-R Nismo.7Fifth Gear.S27E07Zenos E10 R vs. Radical SR1 vs. Caterham 620R vs. Ariel Atom 3.5R; Jaguar I-Pace; Second Hand Cars: Clio Renault Sport 182 Trophy & Mini Cooper S & Škoda Fabia vRS8Fifth Gear.S27E08Ford Mustang vs Chevrolet Camaro; Porsche 718 Cayman GTS vs BMW M2; Second Hand Cars: Pontiac Firebird & Chevrolet Corvette & Ford Mustang GTSeason 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 18Season 19Season 20Season 21Season 22Season 23Season 24Season 25Season 26Season 28Season 29