Top 10 Fastest 4 Door Cars in 2021 – Best Fastest Sedan in the USA

No matter how much we fall for stylish sports cars, people’s love for fastest 4 door cars is never going to fade away. We understand their impact, which why Locar Deals is here today with the fastest 4 door sedan cars.

Wherever we think about a spacious car that poses elegance, style, class, and fast cars, four-door vehicles always pop up.

Today we have the list of the top 10 fastest 4 door cars for you to explore. So without wasting any time, let us get started.

Top 10 Fastest 4 Door Cars in 2021 – Fastest Sedan

While some people have speculations that four-door sedan cars are yesterday’s talk, we sure don’t feel the same way.

Technology is going to advance itself at its pace, and we might not be far away from exploring new styles. But a combination of speed and four doors is never going to fade away.

Below is the list of some of the fastest 4 door cars that you should explore in 2021. The list is compiled based on the unbiased comparison of key specifications, acceleration, and other crucial factors.

  1. 2020 Tesla Model S Performance
  2. 2020 BMW M5 Competition
  3. 2020 Mercedes-AMG GT 63 S
  4. 2020 Mercedes-AMG E 63 S
  5. 2020 Porsche Panamera Turbo
  6. 2020 BMW M760i
  7. 2020 Alfa Romeo Giulia Quadrifoglio
  8. 2021 Dodge Charger SRT Hellcat 
  9. 2020 Bentley Flying Spur
  10. 2021 Audi RS 5 Sportback

Checkout Fastest 4 Door Cars – If Sedans Are Your Pick

Fastest Sedans are dominating the roads. You might think they are just simple cars with nothing much to brag about. 

However, if you look close you will see they somehow hold the title for being the fastest 4 seater sedan cars.

4 door cars are simple, but they are capable of holding place with other fastest accelerating cars in the market.

We have completed our list by concluding the best fast four-door cars in 2021 with high horsepower ratings and ranked them as per their performance and acceleration.

1. Tesla Model S Performance

Tesla Model S Performance fastest 4 door cars
  • MSRP: From $91,990
  • Engine: Fully Electric
  • Horsepower: 778 hp
  • MPGe: 104 city / 104 highway
  • Battery: 100 kWh 350 V lithium-ion
  • Acceleration(0-60 mph): 2.4 Seconds

2020 Tesla Model S Performance is the fastest 4 door car you can find in 2021. This fully electric vehicle comes with 100 kWh 350 V lithium-ion that can go from 0 to 60 mph in 2.4 seconds.

Not only this, Tesla Model S holds the most efficient fuel mileage. It has an MPGe of 104 city / 104 highway and can produce 778 hp.

So if you are looking for the fastest 4 door cars in USA at present times, this Tesla model is going to be on the top.

The model might be a little pricey for some, with the base trim value of $91,990.

Safety Rating Tesla Model S

  • NHTSA: 5 Star
  • IIHS: N/A

Advantages

  • Forceful acceleration
  • Class-leading driving range
  • Futuristic technology
  • Ample cargo space

Disadvantages

  • Distracting infotainment system
  • Some build quality issues

2. BMW M5 Competition

BMW M5 Competition fastest sedans car in the world
  • MSRP: From $110,000
  • Engine: 4.4 L V8
  • Horsepower: 617 hp
  • MPG: 15 city / 21 highway
  • Acceleration (0-60 mph): 3.1 Seconds

BMW 5 Series is one of the best top-rated luxury midsize sedan cars, and the M5 trim is a cherry on top with its amazing speedy features.

The BMW M5 comes with a 4.4-liter V8 engine that is strong enough to produce 617 horsepower.

Not only this, the vehicle can go from 0 to 60 miles per hour in 3.1 seconds giving you the much-needed thrill. It comes with all-wheel drive, impressive handling, comfortable ride quality, and more. With acceptable fuel efficiency, you can own this ride for $110,000.

Safety Rating BMW M5 Competition

  • NHTSA: 4 Star
  • IIHS: 4 Star

Advantages

  • Powerful engine choices
  • Agile handling
  • Easy-to-use tech features
  • Good predicted reliability rating

Disadvantages

  • Much more expensive than most class rivals

3. Mercedes-AMG GT 63 S

Mercedes-AMG GT 63 S fastest 4 door cars
  • MSRP: From $161,200
  • Engine: 4.0L V8
  • Horsepower: 630 hp
  • MPG: 15 city / 20 highway
  • Acceleration (0-60 mph): 3.1 Seconds

The next we have is a luxury sports sedan car that you can own for the initial price of $161,200. Mercedes-AMG GT comes with a handcrafted 4.0L V8 engine that can roar up to 630 hp.

This GT model deserves to be on our list because it can provide acceleration of 0 to 60 miles per hour in 3.1 seconds.

Not only this, the model has a powerful engine line, sharp handling, high-end comfort that are sure to make your ride memorable. The high-quality interior and advanced technology are all worth the money you will spend on this mechanical beauty.

Safety Rating Mercedes-AMG GT 63 S

  • NHTSA: N/A
  • IIHS: 4 Star

Advantages

  • Powerful engine lineup
  • Razor-sharp handling
  • Many standard tech and safety features
  • High-quality interior

Disadvantages

  • Poor fuel economy
  • Some complex infotainment controls

4. Mercedes-AMG E 63 S

Mercedes-AMG GT 63 S fastest 4 door cars
  • MSRP: From $107,350
  • Engine: 4.0 L V8
  • Horsepower: 603 hp
  • MPG: Up to 16 city / 23 highway
  • Acceleration (0-60 mph): 3.3 Seconds

Another fastest four-door sedan that is versatile, comfortable, full of luxury is another Mercedes, 2020 Mercedes-AMG E 63 S.

This luxury sedan is a good midsize car that has excellent performance and is another AMG variant that you should not miss.

Mercedes-AMG E 63 S comes with a handbuilt 4.0-liter V8 engine with an all-wheel-drive system. It costs much less than its GT variant and can go from 0 to 60 miles per hour in mere 3.3 seconds.

Safety Rating Mercedes-AMG E 63 S

  • NHTSA: 5 Star
  • IIHS: 5 Star

Advantages

  • Lavish cabin
  • Silky ride
  • The peppy lineup of engines
  • Driving assistance technology works well
  • Extensive customization options
  • High-horsepower AMG models are fun to drive

Disadvantages

  • The load capacity is lower in similar products
  • Standard suspension can ride stiffly over rough surfaces

5. Porsche Panamera Turbo

Porsche Panamera Turbo
  • MSRP: From $153,000
  • Engine: 4.0 L V8
  • Horsepower: 550 hp
  • MPG: 18 city / 25 highway
  • Acceleration (0-60 mph): 3.4 Seconds

The Panamera is a hatchback-styled super-luxury four-door sedan of Porsche. It is an ideal car if you want a sporty Porsche for daily use.

Panamera was launched by the company with the similar base idea of providing people versatile and comfortable daily rides with the touch of Porsche’s style & performance.

The vehicle comes with a 4.0 L V8 engine that can produce 550 horsepower giving you the taste of immense speed.

Not only this, the vehicle can reach an acceleration of 60 miles per hour in just 3.4 seconds.

Safety Rating Porsche Panamera Turbo

  • NHTSA: N/A
  • IIHS: 4 Star

Advantages

  • Muscular hybrid, V6, and V8 engines
  • Balanced handling and driving performance
  • Comfortable, stylish interior
  • Large hatchback cargo area

Disadvantages

  • Only two rear seats are standard (a middle seat is optional)
  • Relatively few standard features

6. BMW M760i

BMW M760i fastest 4 door cars
  • MSRP: From $157,700
  • Engine: 6.6 L V12
  • Horsepower: 600 hp
  • MPG: 13 city / 20 highway
  • Acceleration (0-60 mph): 3.6 Seconds

Another fastest four-door car that presents speed on the side of luxury is none other than BMW. The BMW 7 Series is another super luxury car category that is sure to impress you.

BMW M760i comes with a 6.6 L V12 engine that can produce 600 horsepower and can accelerate to 60 miles per hour in 3.6 seconds.

The all-wheel-drive system gives you easy handling, the comfort of a speedy yet composed ride.

Safety Rating BMW M760i

  • NHTSA: N/A
  • IIHS: N/A

Advantages

  • The interior is luxurious & the ride is comfortable
  • Agile and responsive driving dynamics
  • Abundant high-tech, standard & optional features
  • Good fuel economy

Disadvantages

  • Unreliable voice and gesture commands
  • No Android Auto

7. 2021 Alfa Romeo Giulia Quadrifoglio

Alfa Romeo Giulia Quadrifoglio fastest sedan
  • MSRP: From $74,500
  • Engine: 2.9 L V6
  • Horsepower: 505 hp
  • MPG: 17 city / 25 highway
  • Acceleration (0-60 mph): 3.6 Seconds

The 2020 Alfa Romeo Giulia is another among the fastest 4 seater cars that you can buy in 2021.

This model is more of a hit-or-miss kind. It comes with the inconsistent build quality, a little cramped-up cabins as compared to many competitors.

However, the Quadrifogilo trim somehow makes up for all the shortcomings. It comes with a 2.9 Litre twin-turbo V6 engine that can roar up to 505 horsepower.

This Alfa Romeo can help you experience poise handling and powerful acceleration within 3.6 seconds.

Quadrifoglio is a little expensive than other trims, but the performance provided by this luxury car is too good to be missed.

Safety Rating Alfa Romeo Giulia Quadrifoglio

  • NHTSA: N/A
  • IIHS: N/A

Advantages

  • The strong turbocharged engine lineup
  • Sleek interior cabin styling
  • Easy to use Infotainment system
  • Potent engine power
  • Sports-car-like handling
  • Comfortable front seats

Disadvantages

  • The base-model seats are flat and uncomfortable
  • Small trunk
  • Minimal rear-seat space for the class

8. 2021 Dodge Charger SRT Hellcat 

Dodge Charger SRT Hellcat fast 4 door cars
  • MSRP: From $70,570
  • Engine: 6.2 L V8
  • Horsepower: 717 to 797 hp
  • MPG: 12 city / 21 highway
  • Acceleration (0-60 mph): 3.6 Seconds

The next one is another midsize car introduced in the model year 2021. 2021 Dodge Charger SRT Hellcat offers an array of robust engines, spacious interior space, and good fuel mileage.

Dodge Charger is the highest horsepower model on this list of top 10 fastest 4 door sedan. Not only this, it is the most affordable speedy ride here that you can opt for.

However, despite all this, the model does not compete well with most of the competitors. It holds mediocre interior quality and disappointing safety scores.

Nevertheless, it is one of the most potent American muscle cars in the market.

Safety Rating Dodge Charger SRT Hellcat

  • NHTSA: N/A
  • IIHS: N/A

Advantages

  • Incredible engine power
  • Easy-to-use infotainment system
  • Roomy, comfortable seats
  • Composed handling

Disadvantages

  • Poor safety score for the class
  • Middling interior quality

9. Bentley Flying Spur

Bentley Flying Spur Fastest Sedan in the USA
  • MSRP: From $258,735
  • Engine: 6.0 L V12
  • Horsepower: 626 hp
  • MPG: 12 city / 19 highway
  • Acceleration (0-60 mph): 3.7 Seconds

The Bentley Flying Spur was fully redesigned for 2020 and was introduced with a 6.0 L V12 that can produce up to 626 horsepower.

2020 Flying Spur marks the beginning of the third generation of the model. This four-door sedan is full of performance and strength with its new turbocharged 12-cylinder engine.

If you are looking for a modest ride, then this one is not for you. But if you can afford an exquisite ride, then the high performance of this ride will not disappoint you.

It sure holds the ninth spot on our list of fastest 4 door cars, but it is the difference of seconds that the model makes up for with its quality and class.

Safety Rating Bentley Flying Spur

  • NHTSA: N/A
  • IIHS: N/A

Advantages

  • Very detailed and well thought out
  • Many customization options are available
  • Superior acceleration and handling of an ultra-luxury car
  • Turns heads and pampers like few other cars

Disadvantages

  • Big-ticket price
  • W12 is a gas guzzler

10. Audi RS 5 Sport back

Audi RS 5 Sportback 4-door fastest sedan
  • MSRP: From $75,400
  • Engine: 2.9L Twin-Turbo V6 Gas
  • Horsepower: 444 hp
  • MPG: 18 city / 25 highway
  • Acceleration (0-60 mph): 3.8 Seconds

The final car on our list of fastest 4 door cars is the new launch, 2021 Audi RS 5 Sportback. The R5 was a new addition to the Audi A5 lineup. The car has easily placed itself among the fastest four-door cars in the market.

This luxury car comes with a twin-turbo engine that can produce 444 horsepower and provide acceleration of 60 miles per hour in 3.8 seconds.

The top trim is the best one for you to consider, but it comes with extra charges. RS %’s sport back body style provides practicality, an eye-catching roofline that sure will attract attention.

Furthermore, it is another least pricey car on this list that you should check out before anyone else.

Safety Rating Audi RS 5 Sport back

  • NHTSA: N/A
  • IIHS: N/A

Advantages

  • Premium interior quality
  • Energetic powertrains
  • Easy-to-use tech features
  • Smooth ride and poised handling

Disadvantages

  • Small trunk in coupe and cabriolet models
What is the fastest 4 door sedan in the world?

Here we have a list of the top 10 fastest 4 door sedans that you can buy in 2021:

  • 2020 Tesla Model S Performance
  • 2020 BMW M5 Competition
  • 2020 Mercedes-AMG GT 63 S
  • 2020 Mercedes-AMG E 63 S
  • 2020 Porsche Panamera Turbo
  • 2020 BMW M760i
  • 2020 Alfa Romeo Giulia Quadrifoglio
  • 2021 Dodge Charger SRT Hellcat 
  • 2020 Bentley Flying Spur
  • 2021 Audi RS 5 Sportback
What is the fastest but cheapest car?

If you want the fastest four-door car, but under a budget, then the mentioned ones are ought to make you happy:

  • Nissan 300ZX
  • Mitsubishi 3000GT VR4
  • Chevrolet Corvette C4 ZR1
  • Audi S8 D3
  • Dodge Neon SRT4
  • Chevrolet C5 Corvette
  • Jaguar XJR
  • BMW 540i
What 2021 car has the most horsepower?

The 2021 Tesla Model S Performance comes with a fully electric engine that can produce up to 778 hp, making it the 2021 ride that has the most horsepower.

Which is faster, BMW, Audi or Mercedes?

All of these brands hold different model accounts that every year trump each other. There is no proper measure to say which brand is faster than the other.

In the list mentioned above, we have listed two models of BMW, two models of Mercedes, and only one model of Audi as the fastest 4 door cars of 2021.

Which models of these cars are the fastest?

The BMW ranks above the other two making it faster than them, but this situation is not always the same. These rankings change as per the company’s and their model’s capabilities.

Conclusion

Fastest 4 door sedans are never going to be out of fashion. Sedans are among the most popular body style that people look for.

For you, we have put together this list of the top 10 fastest 4 door cars that you can shop for in 2021.

In addition, if you like, you can also check out our list of the 8 best four-door sports cars of 2021.

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