Used 2020 Genesis G80 for Sale nearNew York, NY
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 375 hp 3.5L V6
- Exterior color:
- Alta White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black/Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 43,507
- Stock #:
- AT045172
- VIN:
- KMTGC4SD3MU045172


Sponsored by Auto Hub
2021 Genesis G80
3.5T RWD
43,507 mi
$33,720
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 365 hp 3.3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 12,703
- Stock #:
- Z5725
- VIN:
- KMTFN4JB0KU322590

Sponsored Listing
2019 Genesis G80
3.3T Sport RWD
12,703 mi
$31,748
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,335
- Stock #:
- A0227
- VIN:
- KMHGN4JEXKU289929

Sponsored Listing
2019 Genesis G80
3.8L RWD
124,335 mi
$14,448
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 365 hp 3.3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 12,703
- Stock #:
- Z5725
- VIN:
- KMTFN4JB0KU322590

2019 Genesis G80
3.3T Sport RWD
12,703 mi
$31,748
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 375 hp 3.5L V6
- Exterior color:
- Alta White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black/Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 43,507
- Stock #:
- AT045172
- VIN:
- KMTGC4SD3MU045172

2021 Genesis G80
3.5T RWD
43,507 mi
$33,720
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Savile Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige/Gray)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 61,802
- Stock #:
- CHFH289B
- VIN:
- KMTGB4SC8MU068506

2021 Genesis G80
2.5T RWD
61,802 mi
$28,075
- Year:
- 2020
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 78,007
- Stock #:
- 329098
- VIN:
- KMTFN4JE4LU329098

2020 Genesis G80
3.8L AWD
78,007 mi
$22,394
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 56,725
- Stock #:
- 70173867
- VIN:
- KMTGB4SC6MU043913

2021 Genesis G80
56,725 mi
$31,497
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,335
- Stock #:
- A0227
- VIN:
- KMHGN4JEXKU289929

2019 Genesis G80
3.8L RWD
124,335 mi
$14,448
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 105,326
- Stock #:
- 286783
- VIN:
- KMHGN4JE4KU286783

2019 Genesis G80
3.8L RWD
105,326 mi
$18,097
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,777
- Stock #:
- 2W2525
- VIN:
- KMTFN4JE0KU309770

2019 Genesis G80
3.8L RWD
89,777 mi
$19,118
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 375 hp 3.5L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 119,856
- Stock #:
- 1916
- VIN:
- KMTGC4SD3MU044474

2021 Genesis G80
3.5T AWD
119,856 mi
$23,764
- Year:
- 2020
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,712
- Stock #:
- 70068209
- VIN:
- KMTFN4JE5LU328963

2020 Genesis G80
58,712 mi
$25,997
CarGurus Analysis:
2020 Genesis G80
With 211 currently listed for sale and an average price of $24,391.00, 33.2% of 2020 Genesis G80s for sale on CarGurus are rated as good or great deals.
71.1% of 2020 Genesis G80 models on CarGurus are accident free.
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 38,958
- Stock #:
- 48905
- VIN:
- KMTGB4SC5MU078135

-$1,050
2021 Genesis G80
2.5T RWD
38,958 mi
$29,350
$28,300
- Year:
- 2020
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,090
- Stock #:
- LU334686
- VIN:
- KMTFN4JE2LU334686

2020 Genesis G80
3.8L RWD
57,090 mi
$23,264
- Year:
- 2020
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Savile Silver
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 18,118
- Stock #:
- BT27034A
- VIN:
- KMTFN4JE2LU332534
Photos coming soon
2020 Genesis G80
3.8L RWD
18,118 mi
No Price Listed
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 76,965
- Stock #:
- 19639
- VIN:
- KMTGB4SCXMU061797

2021 Genesis G80
2.5T RWD
76,965 mi
$31,469
- Year:
- 2020
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Uyuni White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 105,487
- Stock #:
- MP12011
- VIN:
- KMTFN4JE5LU332401

2020 Genesis G80
3.8L RWD
105,487 mi
$22,398
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 375 hp 3.5L V6
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 114,318
- Stock #:
- 29074335
- VIN:
- KMTGC4SD8MU064235

2021 Genesis G80
3.5T RWD
114,318 mi
$42,497
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Vik Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black/Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 73,967
- Stock #:
- 7326Q
- VIN:
- KMTGB4SC8MU045856

2021 Genesis G80
2.5T AWD
73,967 mi
$26,088
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 375 hp 3.5L V6
- Exterior color:
- Tasman Blue
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black/Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 46,198
- Stock #:
- MU087973
- VIN:
- KMTGC4SD5MU087973

2021 Genesis G80
3.5T RWD
46,198 mi
$35,942
- Year:
- 2019
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Engine:
- 311 hp 3.8L V6
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,500
- Stock #:
- 70121139
- VIN:
- KMTFN4JE7KU320281

2019 Genesis G80
74,500 mi
$24,197
- Year:
- 2021
- Make:
- Genesis
- Model:
- G80
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 300 hp 2.5L I4
- Exterior color:
- Savile Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige/Gray)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 61,802
- Stock #:
- CHFH289B
- VIN:
- KMTGB4SC8MU068506

Sponsored Listing
2021 Genesis G80
2.5T RWD
61,802 mi
$28,075
CarGurus Analysis: 2020 Genesis G80

Summary
With 211 currently listed for sale and an average price of $24,391.00, 33.2% of 2020 Genesis G80s for sale on CarGurus are rated as good or great deals.
71.1% of 2020 Genesis G80 models on CarGurus are accident free.
Why it stands out
The 2020 Genesis G80 stands out as the last version of the first-generation sedan, and it still offered the core qualities that made the model appealing in the first place: strong value, generous equipment, and a comfortable, quiet driving experience. It came with either a 3.8-liter V6 or a 5.0-liter V8, and the V6 could be paired with rear-wheel drive or all-wheel drive while the V8 was rear-wheel drive only. An eight-speed automatic handled shifting duties, and the car’s all-wheel-drive system actively shifted power between the front and rear axles.
What made the G80 especially distinctive was how much safety and convenience equipment it included. Standard features included automatic emergency braking, adaptive cruise control, blind-spot monitors, lane-keep assist, high-beam assist, and a rear-view camera. It also earned a Top Safety Pick+ award from the IIHS every year it was produced and a five-star overall rating from the NHTSA. At the same time, the 2020 model still had the same interior shortcomings noted in testing, with switchgear that felt too much like Hyundai’s, and its fuel economy was not as good as some rivals. Even so, the cabin and suspension emphasized comfort, and that balance of refinement, equipment, and price is what made the 2020 G80 a compelling luxury sedan.
Other model years to consider
- Average price: $19,477.00
- Good/great deal percentage: 33.6%
- User rating: 5 / 5
- Total listings: 345
- Average price: $44,414.00
- Good/great deal percentage: 30.9%
- User rating: 5 / 5
- Total listings: 259
- Average price: $37,183.00
- Good/great deal percentage: 30.8%
- User rating: 5 / 5
- Total listings: 227
This analysis is based on CarGurus' proprietary market data from August 24, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
2020 Genesis G80 Trims
| Trim type | MSRP |
|---|---|
| 3.8L RWD | $42,550 |
| 3.8L AWD | $45,050 |
| 3.3T Sport RWD | $55,750 |
| 3.3T Sport AWD | $58,250 |
| 5.0L Ultimate AWD | $60,000 |
| 5.0L Ultimate RWD | $57,500 |
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
2020 Genesis G80 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 Genesis G80 prices has changed over time.
See more price trends2020 Genesis G80 Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Chicago: The city of Chicago, IL ($30,995) has the highest average price, likely reflecting a demand for luxury vehicles in urban areas.
- Lowest Prices in Los Angeles: Los Angeles, CA ($16,498) offers the lowest average price, suggesting a more competitive market or higher inventory turnover.
- Inventory Variation: Cities like Washington, DC (40 listings) and Dallas, TX (36 listings) show a healthy inventory, which may contribute to more stable pricing around the national average.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 34 | $30,995 |
| Dallas, TX | 36 | $23,493 |
| Miami, FL | 31 | $24,279 |
| Houston, TX | 34 | $24,522 |
| Atlanta, GA | 34 | $19,572 |
| Washington, DC | 40 | $17,834 |
| New York, NY | 38 | $21,827 |
| Los Angeles, CA | 26 | $16,498 |
Pricing by Trim Packages
Key Insights
- Most Common Trim: The 3.8L RWD trim leads with 72 listings, indicating strong demand for this configuration.
- Price Range Across Trims: The 3.3T Sport RWD trim, priced at $55,750 MSRP, is significantly higher than the base 3.8L RWD trim at $42,550, reflecting the premium features and performance.
- AWD vs RWD Demand: The 3.8L AWD trim, with 16 listings, shows a preference for all-wheel drive in certain markets, though it has a lower inventory compared to RWD trims.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.8L RWD | 72 | $42,550 | RWD | 3.8L 311 hp V6 |
| 3.3T Sport RWD | 29 | $55,750 | RWD | 3.3L 365 hp V6 |
| 3.8L AWD | 16 | $45,050 | AWD | 3.8L 311 hp V6 |
| 5.0L Ultimate RWD | 5 | $57,500 | RWD | 5.0L 420 hp V8 |
| 3.3T Sport AWD | 3 | $58,250 | AWD | 3.3L 365 hp V6 |
Pricing Analysis by Model Year
Key Insights
- Newer Models Command Premiums: The 2027 Genesis G80 is priced at $65,823, reflecting a 10.8% increase over its MSRP, indicating strong demand for the latest model.
- Significant Depreciation for Older Models: The 2019 Genesis G80 shows a steep decline, with an average price of $21,785, representing a -48.2% depreciation from its original MSRP.
- Best Value Years: The 2022 model is priced at $30,435, which is -37.5% below MSRP, making it a potentially attractive option for buyers looking for value.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2027 | $59,450 | $65,823 | +10.8% |
| 2026 | $58,450 | $59,608 | +2.0% |
| 2025 | $57,100 | $53,895 | -5.1% |
| 2024 | $54,400 | $44,691 | -17.8% |
| 2023 | $50,000 | $36,908 | -26.2% |
| 2022 | $48,250 | $30,435 | -37.5% |
| 2021 | $47,700 | $31,648 | -33.7% |
| 2019 | $42,050 | $21,785 | -48.2% |
| 2018 | $41,750 | $19,414 | -53.5% |
| 2017 | $41,400 | $15,829 | -61.8% |
These recommendations are based on CarGurus' proprietary market data from August 27, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
How much does the 2020 Genesis G80 cost?
| Metric | Value |
|---|---|
| Current Average Price | $24,114 |
| Year-Round Low | $23,691.15 |
| Year-Round High | $25,783.08 |
| Average Price a Year Ago | $25,777 |
| Change vs. Last Year | −6.45% |
Prices have softened 6.45% compared to this time last year, making it a favorable time to shop this model year.
There are 200 listings available, which suggests you have a workable amount of inventory to compare.
If you find a listing below $23,691.15, that's toward the low end of the year-round range and worth acting on quickly.
Is the 2020 Genesis G80 a good car?
The 2020 Genesis G80 stands out for its strong value, generous equipment, and comfortable, quiet driving experience. It also comes with a broad set of standard safety and convenience features, including automatic emergency braking, adaptive cruise control, blind-spot monitors, lane-keep assist, high-beam assist, and a rear-view camera.
That mix makes it appealing if you want a luxury sedan that emphasizes comfort and equipment over flash. The cabin and suspension are tuned for refinement, so you should expect a relaxed daily-driving experience rather than a sporty one.
28.0% of listings are priced as good or great deals, which gives you some room to shop selectively.
Is the 2020 Genesis G80 reliable?
The 2020 Genesis G80’s appeal starts with its comfort-focused design and its long list of standard safety equipment. It also earned a Top Safety Pick+ award from the IIHS every year it was produced and a five-star overall rating from the NHTSA.
For used buyers, that means the bigger long-term ownership risk is less about headline safety and more about finding a well-kept example with consistent maintenance and no hidden wear issues.
What should I look for when buying a used 2020 Genesis G80?
At 71% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
You should run a vehicle history report before you commit, then prioritize a pre-purchase inspection if the car has any accident history or incomplete service records. Focus on overall condition, signs of cosmetic or structural repair, and whether the car’s comfort-oriented features and electronics are working as expected.
Is now a good time to buy a used 2020 Genesis G80?
This is a moderate, selective buyer’s market, so you can shop with some leverage while still needing to move quickly on the best examples.
- Deal availability: 28.0% of listings are priced as good or great deals.
- Inventory: There are 200 listings available.
- Price trend: Prices have softened 6.45% compared with last year.
- Clean inventory: 71.0% of listings are accident-free.
If you find a listing below $23,691.15, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2020 Genesis G80's resale value?
The current average of $24,114 sits slightly below last year's $25,777.
That price movement suggests the model has softened, which can help you as a buyer today but may temper future resale upside. If you plan to sell later, a well-documented service history and clean condition will matter more because the market is already pricing in some depreciation. For a future seller, the best protection is buying a strong example now and keeping it in excellent shape.
Should I buy a 2020 Genesis G80 or consider a different year?
If you're weighing the 2020 against nearby model years, here's how to think about it:
Choose the 2020 if:
- 28.0% of listings are priced as good or great deals.
- At 71% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
- Price trend: Prices have softened 6.45% compared with last year.
Consider the 2021 if:
- At $30,693, the 2021 costs more than the current year's $24,114 average.
- It adds a redesigned look and a more modern luxury feel.
The bottom line: If you want the better value play, the 2020 is the stronger starting point because it delivers the core G80 experience at a lower average price. If you care more about newer styling and a more upscale redesign, the 2021 is the better path, but you should expect to pay more. For price-sensitive buyers, the 2020 is the smarter buy; for shoppers prioritizing the newer generation, move up a year.
These recommendations are based on CarGurus' proprietary market data from August 28, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
Relevant articles

The Best Sedans of 2026
As more people flock to SUVs and crossovers, some automakers are killing off sedans. But others are doubling down, building some of the best four-door cars we’ve ever driven. For a supposedly dying segment, the sedan market looks awfully healthy.

Best Car Lease Deals in August 2026
Our guide will help you to discover the best car lease deals this month, learn the benefits and drawbacks of leasing, and explore expert tips to secure the best lease offers.

The Best Family Sedans of 2026
Advanced safety features that were once exclusive to luxury cars are now standard on many family sedans. And while sedans might not have the space of an SUV or a minivan, they do have efficiency on their side. Here are our top 10.