Best Fullsize Sedans of 2020

The full-size sedan market is comprised largely, though not exclusively, of luxury brands. This segment is home to some of the safest cars on the road for 2020, and these larger configurations have been popular since way before 2017. The more affordable models also boast impressive safety ratings. For example, the Kia Cadenza is one of the safest full-size sedans, receiving a Top Safety Pick award from the IIHS. It’s also not that expensive at under $32,000 MSRP.

This type of vehicle is often used as a luxury passenger car in a four-door configuration, but performance-enhanced options come in 2-door guises as well. Still, some still opt for the 4-door version because it offers more interior space. A number of new models were released in 2018, and a face-lifted model or two appeared in 2019. It is worth remembering that full-size sedan cars have a heavier weight than compact counterparts, which directly impacts fuel economy.

This category offers multiple engines to choose from, often including diesel-powered variants. While these machines will be slightly heavier on gas, the impressive powertrains and spacious cabins still win over many shoppers. The most reliable full-size sedans usually rely on a modern turbocharged powerhouse to get the wheels turning, and the relatively cheap models often offer the most reliability as they are not performance-focused. 

Most reliable full-size sedan

The Kia Cadenza deserves its spot at the top of the list thanks to the Japanese automaker’s stellar reputation for reliability. The Cadenza comes with a class-leading ten-year/100,000-mile powertrain warranty and a five-year/60,000-mile basic warranty.

What to Consider Before Buying

Even the best full-size sedan is not perfect, so it is worth considering all of the advantages and disadvantages before purchasing one:

Pros

  • Powerful engines - With this market keeping performance in mind, there is a range of mills to choose from. Sometimes this leads to a negative effect on efficiency, but the sacrifice is worth it in most cases.
  • Great handling dynamics: Again, these are usually built for comfort and power. This directly translates to a pleasurable experience for both the driver and the passenger.
  • Impressive interior capacity - Bigger dimensions means a bigger inside space, which is excellent for a small family. It also means you can take them on those family holidays.

Cons

  • Less space inside compared to crossovers - With crossovers as popular as ever, this type of vehicle falls behind in comparison when interior space is considered, but the inside is still very manageable by average standards.
  • Less economical fuel figures - A larger size than a compact version means that it is heavier, this affects the economy negatively. Still, they are more economical than larger SUVs.
  • More expensive - Most options in this class do not come cheap, they’re aimed at a market with a higher budget. Still, there are a few cost-effective options to choose from if you know where to look.

Size Parameters of The Best Full-size Sedans

Most are similar in size, but some can be significantly longer than others. This is important because it can directly affect space sometimes:

  • BMW 8 Series Gran Coupe - Length: 200.2″, Width: 76.1″
  • Mercedes-Benz S-Class: Length: 206.9″, Width: 74.8″
  • Kia K900 - Length: 201.6″, Width: 75.4″
  • Lexus LS - Length: 206.1″, Width: 74.8″

Fuel Types

  • Premium Gas
  • Regular gas
  • Diesel

FAQs

Are these autos safer than SUVs and crossovers?

Due to their low-slung ride height and a lower center of gravity, these autos are far more dedicated to being button-down to the road at higher speeds. This makes them a bit safer overall.

Are there any vehicles that are relatively budget-friendly in this segment?

Yes; while they are few and far between, they do exist. An example would be the Toyota Avalon, with a price of $35,875.
BuzzScore
Design
Performance
MPG
Interior
Infotainment
Reliability
Safety
Value
#1
2020 Porsche Taycan
9.6
BuzzScore
10
Design
10
Performance
10
MPG
10
Interior
9
Infotainment
10
Reliability
10
Safety
8
Value
#2
2020 Porsche Taycan Turbo
9.5
BuzzScore
10
Design
10
Performance
10
MPG
10
Interior
9
Infotainment
10
Reliability
10
Safety
7
Value
#3
2020 BMW 8 Series Gran Coupe
9.3
BuzzScore
10
Design
9
Performance
7
MPG
10
Interior
10
Infotainment
8
Reliability
10
Safety
10
Value
#4
2020 Mercedes-Benz S-Class Sedan
9.1
BuzzScore
8
Design
9
Performance
8
MPG
10
Interior
10
Infotainment
8
Reliability
10
Safety
10
Value
#5
2020 Kia K900
9
BuzzScore
9
Design
10
Performance
6
MPG
10
Interior
10
Infotainment
8
Reliability
9
Safety
10
Value
#6
2020 Lexus LS
8.9
BuzzScore
8
Design
8
Performance
8
MPG
9
Interior
8
Infotainment
10
Reliability
10
Safety
10
Value
#7
2020 Audi A8
#7
Audi A8
8.9
BuzzScore
7
Design
8
Performance
8
MPG
10
Interior
10
Infotainment
9
Reliability
10
Safety
9
Value
#8
2020 Mercedes-AMG S63 Sedan
8.9
BuzzScore
8
Design
10
Performance
7
MPG
10
Interior
10
Infotainment
8
Reliability
10
Safety
8
Value
#9
2021 Rolls-Royce Ghost
8.9
BuzzScore
10
Design
9
Performance
6
MPG
10
Interior
10
Infotainment
9
Reliability
9
Safety
8
Value
#10
2020 Lexus LS Hybrid
8.8
BuzzScore
8
Design
7
Performance
9
MPG
9
Interior
8
Infotainment
10
Reliability
10
Safety
9
Value
#11
2020 Audi S8
#11
Audi S8
8.8
BuzzScore
8
Design
10
Performance
7
MPG
9
Interior
10
Infotainment
7
Reliability
10
Safety
9
Value
#12
2021 BMW M8 Gran Coupe
8.8
BuzzScore
10
Design
10
Performance
6
MPG
9
Interior
9
Infotainment
8
Reliability
9
Safety
9
Value
#13
2020 Porsche Panamera Turbo
8.8
BuzzScore
8
Design
10
Performance
7
MPG
10
Interior
9
Infotainment
9
Reliability
9
Safety
8
Value
#14
2020 Mercedes-Maybach S
8.8
BuzzScore
8
Design
9
Performance
7
MPG
10
Interior
10
Infotainment
8
Reliability
10
Safety
8
Value
#15
2020 Rolls-Royce Phantom
8.8
BuzzScore
9
Design
10
Performance
6
MPG
10
Interior
10
Infotainment
9
Reliability
10
Safety
6
Value
#16
2020 Genesis G90
8.6
BuzzScore
8
Design
8
Performance
7
MPG
8
Interior
9
Infotainment
10
Reliability
10
Safety
9
Value
#17
2020 Porsche Panamera
8.6
BuzzScore
8
Design
8
Performance
8
MPG
10
Interior
9
Infotainment
9
Reliability
9
Safety
8
Value
#18
2020 Porsche Panamera E-Hybrid
8.6
BuzzScore
8
Design
7
Performance
9
MPG
10
Interior
9
Infotainment
9
Reliability
9
Safety
8
Value
#19
2020 Bentley Flying Spur
8.6
BuzzScore
10
Design
9
Performance
7
MPG
10
Interior
10
Infotainment
7
Reliability
9
Safety
7
Value
#20
2020 Cadillac CT6-V
8.4
BuzzScore
8
Design
9
Performance
8
MPG
8
Interior
8
Infotainment
8
Reliability
9
Safety
9
Value