The Mercedes-Benz E-Class and BMW 5-Series are mainstays among luxury mid-size sedans; they’re the high-water marks for the class.
The E-Class offers a wide range of powertrains, but no plug-in hybrid (yet).
The 5-Series has a hybrid, but lacks some of the polish of the Benz.
Both are worth comparing to the Volvo, although the S90 may have a better base version.
The Audi A6 is new this year and its only available with a V-6; if efficiency is part of your shopping criteria, the Volvo is a better bet.
The Lexus GS and Cadillac CT6 are outliers in the class; the Lexus is relatively old but should be inexpensive, the Caddy has a limited shelf-life but offers SuperCruise in some areas.
Choose wisely.
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 2019 Volvo S90Browse Used Listings |  2019 Audi A6Browse Used Listings |  2019 BMW 5-SeriesBrowse Used Listings |  2019 Cadillac CT6Browse Used Listings |  2019 Lexus GSBrowse Used Listings |  2019 Mercedes-Benz E ClassBrowse Used Listings |
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| Quick Specs | |||||
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The 2019 Volvo S90 is a superlative and comfortable mid-size luxury sedan with a brain. |
The 2019 Audi A6 is a mid-size luxury sedan that skips flash and fast for a comfortable ride with an understated exterior. |
The 2019 BMW M5 sedan is a high-performance luxury car without compromise and few rivals. | The 2019 Cadillac CT6 is smarter and more powerful, but will that put it on more driver's radars? |
The 2019 Lexus GS is a handsome mid-size luxury sedan with value on its side. |
With two new engine options, the 2019 Mercedes-Benz E-Class reminds us that life is good at the top. |
| MSRP From | |||||
| $47,350 | $54,100 | $53,400 | $50,495 | $46,860 | $53,500 |
| Gas Mileage | |||||
| 21 MPG City / 35 MPG Hwy | 22 MPG City / 32 MPG Hwy | 15 MPG City / 36 MPG Hwy | 14 MPG City / 34 MPG Hwy | 16 MPG City / 32 MPG Hwy | 15 MPG City / 30 MPG Hwy |
| Engine | |||||
| Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Gas/Electric I-4 | Gas V6 | Premium Unleaded V-6 | Intercooled Turbo Premium Unleaded I-4 |
| EPA Class | |||||
| Midsize Cars | Midsize Cars | Compact Cars | Large Cars | Midsize Cars | Midsize Cars |
| Style Name | |||||
| T5 FWD Momentum | Premium 45 TFSI quattro | 530e iPerformance Plug-In Hybrid | 4-Door Sedan 3.6L Luxury AWD | GS 350 AWD | E 300 RWD Sedan |
| Drivetrain | |||||
| Front Wheel Drive | All Wheel Drive | Rear Wheel Drive | All Wheel Drive | All Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | |||||
| 5 | 5 | 5 | 5 | 5 | 5 |
| Passenger Doors | |||||
| N/A | N/A | N/A | 4 | N/A | N/A |
| Body Style | |||||
| Sedan | quattro Sedan | Sedan | Sedan | Sedan | Sedan |
| Transmission | |||||
| Automatic w/OD | Auto-Shift Manual w/OD | Automatic w/OD | Automatic | Automatic w/OD | Automatic w/OD |
| Detailed Spec Comparison | |||||
| 2019 Volvo S90 vs. 2019 Audi A6 | 2019 Volvo S90 vs. 2019 BMW 5-Series | 2019 Volvo S90 vs. 2019 Cadillac CT6 | 2019 Volvo S90 vs. 2019 Lexus GS | 2019 Volvo S90 vs. 2019 Mercedes-Benz E Class | |
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