First of all, what is a sedan? Its a car that has 4 doors and can sit 5 to 6 people, if you are not married yet, you might want to consider a coupe but when you have a family, a sedan or an SUV might be your option. Here are 7 sedans you can buy for Nigerian roads.1. Mercedes S Class (S550) The Mercedes S550 is one of the best sedans sold on the market today. The auto is a luxury sedan that comes stock with a 4.7 liter twin-turbo V-8 engine rated at 449 horsepower. The auto comes with rear-wheel drive, but consumers can choose to upgrade to all-wheel drive as a dealer option. There is also a 6.0 liter twin-turbo V-12 available to upgrade to when buying the luxury sedan new, and all versions of the popular sedan come with a seven-speed automatic transmission. The S550 can go from zero to 60 MPH in just 4.5 seconds, and it has a top overall speed of 130 MPH. The overall fuel efficiency rating of the automobile is 16 MPG (city) and 24 MPG (highway).2. Bentley Flying Spur The Bentley Continental Flying Spur is one of the best luxury sedans sold today. Despite an entry-level price point in the low $200K’s, Bentley brands the auto as the company’s starter sedan. The automobile’s stock engine is a twin-turbo V-8 rated at 500 horsepower and 488 lb-ft of torque, and consumers can choose to upgrade to a twin-turbo W-12 rated at 616 horsepower if additional power is required. All drivetrains come with an eight-speed automatic transmission, a hand-sewn interior, and all-wheel drive as standard equipment. The sedan can seat between four and five passengers comfortably, and the gas mileage rating of the car is 14 MPG (city) and 24 MPG (highway). The sedan has a top overall speed of 183 MPH, and the vehicle can go from zero to 60 MPH in just 4.2 seconds. 3. Audi A8 The Audi A8 is one of the best sedans on the roads today. The automobile is one of the best German luxury sedans sold, and the vehicle also sports a very posh interior. The stock engine in the car is a 3.0 liter super-charged six-cylinder rated at 333 horsepower, and consumers have the choice to upgrade to either a 4.0 liter twin-turbo eight-cylinder rated at 450 horsepower if they desire more power in the automobile, or to a 6.3 liter W12 rated at 500 horsepower. Audi sells the vehicle with all-wheel drive and an eight-speed automatic transmission as standard equipment. The overall fuel efficiency rating of the A8 is 24 MPG (city) and 36 MPG (highway), and the vehicle can go from zero to 60 MPH in just 6.4 seconds. The top overall speed of the A-8 is 129 MPH.4. Lexus LS460 The Lexus LS 460 is one of the best sedans found on the roadways today. The luxury sedan incorporates the latest in tech options into the design of the vehicle, and it is available in a base, long wheelbase, and hybrid models. The base engine in the vehicle is a V-8 rated at 386 horsepower; however, if a consumer upgrades to all-wheel drive the engine power rating gets reduced to 360 horsepower. The hybrid edition of the LS 460 sees a total power rating of 438 horsepower. The overall fuel economy rating of the automobile is 19 MPG (city) and 23 MPG (highway), and the LS 460 can go from zero to 60 MPH in just 6.3 seconds with a top overall speed of 137 MPH. 5. BMW 5 Series The BMW 5 Series is one of the best sedans sold today. The 5 Series has gained popularity as a upscale family sedan, and comes with a variety of options for the drive train. These include a V-4, inline-six, a V-8, a diesel inline six-cylinder, and a gas-electric hybrid. The base engine of the automobile is rated at 302 horsepower, and all drivetrain options come standard with an eight-speed automatic transmission. Each model (except for the hybrid) has the option to upgrade to all-wheel drive, and the car has a maximum speed of 127 MPH. The 5 Series can go from zero to 60 MPH in just 5.3 seconds, and the vehicle’s overall gas mileage rating is 20 MPG (city) and 29 MPG (highway).6. Porsche Panamera The Porsche Panamera Turbo S is one of the top sedans on the road. The automobile is one of the fastest four-seat sedans sold with a top overall speed of 192 MPH. The stock engine for the Panamera Turbo S is a twin-turbo V-8 rated at 518 lb-ft of torque and 520 horsepower. The automobile can go from zero to 60 MPH in just 3.5 seconds, and the executive model of the vehicle adds an additional six inches to the wheel base to deliver additional backseat room to passengers. The sedan sees a 15 MPG (city) and 24 MPG (highway) overall gas mileage rating.7. Toyota Avalon The Toyota Avalon has been one of the best sedans sold on the market for several decades and counting now. The stock engine in the car is a 3.5 liter V-6 rated at 268 horsepower coupled to a six-speed automatic transmission. The Avalon has a maximum speed of 127 MPH, and the vehicle can go from zero to 60 MPH in just 6.1 seconds. In addition to being an above-average handling automobile, the car has slightly above average gas mileage with a 21 MPG (city) and 31 MPG (highway) overall rating. The cabin space in the Avalon has always been above average when compared to other cars of the same class, and the current edition of the vehicle continues to offer consumers a very luxurious auto cabin.