So I have driven both. It is not such a big difference as you might think, the 1.9 feels like it has a little bit more grunt though. The gearing is different, the 1.9 is geared higher than the 1.5 in my experience. Sixth gear has hardly ever been used in the 1.9, but I can use sixth gear in my 1.5. Diesel owners only using them round town, so the EGR & DPF never get hot enough to remove the soot. IMHO A well serviced high mileage car, is inherently more reliable than a garage queen. You haven't said which S3 you intend buying. The 1.5 dcI engine seems to give most trouble from what I read on here. My Grand Scenic. The vehicle is spacious, comfortable and has a flexible internal space. The rear passenger floor pan is completely flat with good leg-room and 3 removable seats, good for carrying large items, and 2 extra fold-up seats in the back. We find these a great help when grandchildren visit. In fact, this car sat 40mm higher off the ground than its predecessor as part of Renault's attempt to imbue trendy Crossover cues into its design. But that only goes so far, the heavily raked windscreen still visually positioning this car very much as a People Carrier - and quite a large one by mid-sized MPV standards. The Renault-Nissan-Mitsubishi alliance continues to bear cool fruit, this time in the form of two electric kei cars. In response to Toyota’s wonderfully bizarre two-seat C+pod electric vehicle, Nissan and Mitsubishi have launched a pair of tiny four-seat electric vehicles that coax surprising range out of miniscule battery packs. At 70 years of age Stan likes the ease of getting in and out of the Scenic. He also likes the luggage space and the clever hideaway recesses built into the car’s interior. It’s economical, getting 8.3 L/100 km on average, the servicing has been reasonably priced, the ride and handling competent and the brakes superb. Reliability & safety Rating. 3.2 out of 5. As with Renault as a whole, the Renault Grand Scenic's reliability record has been patchy. This latest model may change that, but in the meantime, a four The Renault Scenic is not a very reliable car. 75% of other cars of the same age are found to have fewer defects than the Renault Scenic in annual roadworthiness tests. 75% of other cars of the same age are found to have fewer defects than the Renault Scenic in annual roadworthiness tests. Renault has introduced an all-new 1.3-litre petrol engine to its ranks via the Renault Scénic and its larger brother, the Renault Grand Scénic. The Energy TCe unit is a turbocharged four Car Reviews. Latest car reviews; In-depth road test reviews; This is the new Renault Grand Scenic, the French brand’s latest iteration of its staple seven-seat MPV. Reliable or not it's ytMFfe6.