Best Fullsize Luxury Sedans for 2021
  • Buying Guides

Best Fullsize Luxury Sedans for 2021

By Andra DelMonico | April 26, 2021

Make a statement on the road by driving a full-size luxury sedan. The longer wheelbase, stylish exterior, and sumptuous interior give you a vehicle that is worth more than what some people earn in an entire year. While this is one of the smaller segments of the car market, it is in demand by those who can afford one of these impressive machines.

If you are looking for a new car in 2021, skip the subcompact Kia or Hyundai and purchase a vehicle that you will enjoy driving to work. This list of the best full-size sedans features some of the highest quality cars on the road.

1. BMW 7 Series


While BMW did not make any significant changes to the 7-Series for the 2021 model year, it is still a luxury sedan worth considering. It offers a spacious interior, a smooth ride, several standard features, and powerful engine ability. You will appreciate the 10.2-inch iDrive touchscreen with a simple user interface.


The standard powertrain in the BMW 7 Series is a 335-horsepower turbocharged inline-six engine, an eight-speed automatic transmission, and rear-whee-drive. The hybrid trim comes with a 389-horsepower plug-in-hybrid six-cylinder engine. The 750i and Alpina B7 trims are equipped with twin-turbo V8 engines that achieve 523 and 600 horsepower, respectively.

BMW offers five configurations of the 7 Series that range in price from $86,800 to $143,200. The most affordable base model is the 740i, while the top-of-the-line model is the Alpina B7.

Browse BMW 7 Series listings here.

2. Genesis G90


This large sedan has a strong reliability rating, solid power, and steady handling. The cabin is refined elegance without trying too hard. New for 2021 is a rear comfort drive mode setting, voice recognition, and navigation interface changes.


Thanks to the Hyundai and Kia parent company, the 12.3-inch touchscreen features a straightforward infotainment system. It also has a rotary knob that’s ergonomically designed for alternative system operation.

The standard engine for the G90 is a 365 horsepower 3.3-liter twin-turbocharged V6 engine. For more power, there is an available 420 horsepower 5.0-liter V8 engine. Fuel economy is less impressive at 17/24 mpg for the V6 and 16/23 mpg for the V8.

There are two available trims that are based on the included powertrain. The 3.3T Premium has a starting MSRP of $75,450. The 5.0 Ultimate trim model starts at $79,200.

Browse Genesis G90 listings here.

3. Porsche Panamera


The Panamera is a top performer in the super-luxury car class. It’ll deliver exciting engine performance with elegantly restrained handling.

For the 2021 model, Porsche gave the exterior a refresh, a new base engine, and new trim options. The cabin has plenty of head and legroom and a sleek infotainment system. The 12.3-inch touchscreen is not as user-friendly as other cars but is very responsive and has crisp graphics.


Giving you impressive performance is a 325-horsepower twin-turbocharged V6 engine. The upgraded option is a 443-horsepower version. Then the GTS trim has a 473-horsepower twin-turbo V8 engine. The Turbo S has a 620-horsepower V8 engine. Hybrid models have a V6 engine and an electric motor that delivers either 455 or 552 horsepower. All models come with an eight-speed automated dual-clutch transmission.

The eight trim options have a broad range in starting MSRP from $87,200 for the base model to $187,700 for the Turbo S E-Hybrid top model.

Browse Porsche Panamera listings here.

4. Tesla Model S


The Model S stands out among other EVs as the first of its kind. It boasts a 390-mile range on a single charge, achieves 0 to 60 in 1.99 seconds, and a top speed of 200 miles per hour. It drives more like a sports car and less like an EV.

The interior cabin is nice and quiet, but you will not find the luxury materials that you would in other models, such as leather upholstery.


Powering your Model S are two independent engines for the front and rear wheels, making all models all-wheel-drive. The Plaid+ model will have a third motor to boost the car’s performance. It also has a 17-inch touchscreen for monitoring your car’s performance and infotainment features.

There are five Tesla Model S configurations available that range in starting price from $79,990 to $149,990. The base model Long Range Plus is at the low end of the spectrum, and the Plaid+ is at the high end.

Browse Tesla Model S listings here.

5. Volvo S90


The Volvo S90 2021 model brings a refreshed exterior design, roomy cabin, adaptive headlights, and wireless device charging. The cabin feels almost opulent with plenty of luxurious materials and a 9-inch touchscreen and infotainment system.


Giving this car impressive performance ability is a 316-horsepower turbocharged and supercharged four-cylinder engine that is paired with an eight-speed automatic transmission. The plug-in hybrid model has a 400 horsepower electric motor. The standard engine achieves 21/32 mpg, and the hybrid model has a battery-only driving range of 21 miles.

Pricing for the three S90 models is relatively close, with the T6 Momentum starting at $52,595 and the T6 R-Design and Inscription starting at $55,695.

Browse Volvo S90 listings here.

6. Audi A8


The 2021 model of the Audi S8 is worth the investment as it’s sporting a complete redesign from the 2020 model year. It features standard 21-inch wheels, summer tires, and heated armrests for the front seat passengers. Audi stepped up the luxury for 2021 with newly standard 22-way power-adjustable front seats, wireless smartphone charging station, and 360-degree camera system.


The base model L55 TFSI comes with a 335 horsepower turbocharged V6 engine. The L60 TFSI trim sports a slightly more powerful 453 horsepower twin-turbo V8 engine. Both models are outfitted with an eight-speed automatic transmission, all-wheel-drive, and a 48-volt hybrid system.

The hybrid model has a V6 engine and a rear-mounted 14.1-kWh battery pack. It gets an EPA estimated 17/26 mpg with the V6, 15/23 mpg with the V8, and 23 mpg with the hybrid. On only battery power, the hybrid has a range of 18 miles.

The base model L55 starts at $87,545, and the L60 trim starts at $99,945. The L60 Plug-In Hybrid trim has a starting MSRP of $99,945.

Browse Audi A8 listings here.

7. Lexus LS


Lexus is only making the LS better in 2021 with an. updated touchscreen infotainment system and Android Auto now standard in the already stylish high-end cabin. It also comes standard with a long list of safety features, thanks to its Toyota parent company. Sit inside and appreciate the plush leather seating, wood trim, and 12.3-inch touchscreen infotainment system.


Giving the LS a sporty feel is a 416-horsepower twin-turbocharged V6 engine with the highest output for a base engine in the luxury sedan class. The plug-in hybrid model boasts a V6 engine and two electric motors. Both powertrain options come in either all or rear-wheel-drive. The standard engine achieves an EP-estimated 18/29 mpg while the hybrid achieves 25/33mpg.

Pricing for the three LS trim levels starts at $76,000 for the 500 and goes up to $90,500 for the 500 Hybrid.

Browse Lexus LS listings here.

8. Maserati Quattroporte


This Italian full-size luxury sedan puts performance first, making it the thrilling rebel sedan among other luxury cars. Its attractive body styling gives the vehicle a sports sedan feel, despite its four doors. The cabin is not as spacious as other sedans with less legroom. However, it is outfitted with the finest wood, carbon fiber, leather, and silk throughout the cabin, seats, and steering wheel.


Maserati upgraded the technology for the 2021 model, increasing the size of the touchscreen from 8.4 to 10.1 inches. There are two engine options, a twin-turbo V6 or a V8 engine. The V8 is available in either 523 or 580 horsepower. You can expect to achieve an EPA-estimated 17/24 mpg.

The entry MSRP for the Maserati Quattroporte is $104,890 for the base model S. The asking price gradually increases throughout the seven trim levels. The top of the line Trofeo trim is $142,890.

Browse Maserati Quattroporte listings here.

9. Audi S8


The 2021 model of the Audi S8 features standard 21-inch wheels, summer tires, and heated armrests for the front seat passengers. This gives you a sports car feel and performance. New for the 2021 model are 22-way power-adjustable and ventilated front seats, wireless charging, and a surround-view parking camera system.


The interior is roomy, with ample legroom in both the front and rear seats. All S8 models come with the same powertrain, a 563-hp twin-turbo V8 engine, all-wheel steering, AWD, eight-speed automatic, and a head-up display. A standout feature is the dual-pane acoustic glass for a quieter cabin. Trunk space is on the small side at 12 cubic feet of cargo space. EPA-estimated fuel economy is also lower at 13/20 mpg.

Pricing for the Audi S8 is steep, starting at $131,945. While the S8 comes well equipped at this price point, several additional packages can increase the asking price. The Cold Weather Package and Executive Package are examples of this.

Browse Audi S8 listings here.

10. Mercedes-Benz S-Class


The S-Class delivers athletic handling thanks to the rear-axle steering. The cabin is full of luxurious materials, innovative technology, and ample room. It features a sizable 12.8-inch OLED touchscreen in the front and an optional rear-seat entertainment system that adds two 11.6-inch screens on the front seatbacks.


Powering this limousine-like car is a 429 horsepower 3.0-liter inline-six-cylinder engine in the S 450 trim. The S 560 trim has a more powerful 463 horsepower 4.0-liter V8 engine. Both powertrains have a nine-speed automatic transmission and are supplemented by a 48-volt hybrid system called EQ Boost. You have the option of either standard rear-wheel-drive or 4MATIC all-wheel-drive.

The Sedan model for the S-Class has a starting MSRP of $94,250 for the S 450 and $97,250 for the S 450 4MATIC. The S 560 has a starting MSRP of $104,450 and $107,450 for the S 560 4MATIC.

Browse Mercedes-Benz S-Class listings here.