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Buick Regal vs Hyundai Sonata

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Buick logo

2017 Buick Regal

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Hyundai logo

2026 Hyundai Sonata

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Overview

SpecBuick Regal1SVHyundai SonataSE
Selected trim1SVSE
Body styleSedanSedan
Drivetrainfront wheel drivefront wheel drive
Fuel typeflex-fuel (unleaded/E85)regular unleaded
Transmission6-speed shiftable automatic8-speed shiftable automatic
Engine typeflex-fuel (FFV)gas
Model year20172026

Pricing & market

SpecBuick Regal1SVHyundai SonataSE
MSRP$27,065 (best)$27,300
Lowest listing price$8,620$7,620 (best)
Median listing price$8,620 (best)$27,991
Highest listing price$8,620 (best)$37,156
For sale now1129 (best)

Fuel economy & range

SpecBuick Regal1SVHyundai SonataSE
Combined MPG23 MPG32 MPG (best)
City MPG19 MPG28 MPG (best)
Highway MPG30 MPG38 MPG (best)
Fuel tank18 gal (best)15.9 gal

Performance

SpecBuick Regal1SVHyundai SonataSE
Horsepower182 hp191 hp (best)
Torque172 lb-ft181 lb-ft (best)
Engine size2.4 L2.5 L (best)
CylindersI4I4

Size & capability

SpecBuick Regal1SVHyundai SonataSE
Seating5 seats5 seats
Doors44
Cargo volume14.2 cu ft15.6 cu ft (best)
Curb weight3,605 lbs3,232 lbs (best)
Ground clearance—5.3 in (best)
Wheelbase107.8 in111.8 in (best)
Length190.2 in193.3 in (best)
Width73.1 in73.2 in (best)
Height58.4 in (best)56.9 in

Safety & recalls

SpecBuick Regal1SVHyundai SonataSE
NHTSA overall5 / 5 ★5 / 5 ★
Frontal crash (driver)5 / 5 ★ (best)4 / 5 ★
Frontal crash (passenger)4 / 5 ★5 / 5 ★ (best)
Side crash (driver)5 / 5 ★5 / 5 ★
Side crash (passenger)5 / 5 ★5 / 5 ★
Side pole5 / 5 ★5 / 5 ★
Rollover4 / 5 ★5 / 5 ★ (best)
Open recalls (YMM scope)None reported (best)1

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimBuick RegalHyundai Sonata
1

1SV

$27,065 MSRP(Currently comparing)

SE

$27,300 MSRP(Currently comparing)

2

Sport Touring

$28,615 MSRP

SEL Sport

$29,000 MSRP

3

Base

$31,465 MSRP

SEL Sport

$30,500 MSRP

4

Premium II

$31,615 MSRP

Blue Hybrid

$29,050 MSRP

5

Premium II

$34,040 MSRP

SEL Hybrid

$32,300 MSRP

6

GS

$34,115 MSRP

N Line

$35,900 MSRP

7

GS

$36,540 MSRP

Limited Hybrid

$38,100 MSRP

Live inventory

Buick Regal vs Hyundai Sonata FAQ

Which is better: 2017 Buick Regal or 2026 Hyundai Sonata?
It depends on priorities. OpenDealer compares 2017 Buick Regal vs 2026 Hyundai Sonata on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2017 Buick Regal or 2026 Hyundai Sonata?
Based on starting MSRP, the 2017 Buick Regal starts lower at $27,065. Live Buick Regal listings start at $8,620. Live Hyundai Sonata listings start at $7,620.
Which has better startingMsrp: 2017 Buick Regal or 2026 Hyundai Sonata?
The 2017 Buick Regal leads on startingMsrp in this comparison (27,065).
Which has better combinedMpg: 2017 Buick Regal or 2026 Hyundai Sonata?
The 2026 Hyundai Sonata leads on combinedMpg in this comparison (51).
Which has better horsepower: 2017 Buick Regal or 2026 Hyundai Sonata?
The 2026 Hyundai Sonata leads on horsepower in this comparison (290).
How do the NHTSA safety ratings compare for 2017 Buick Regal vs 2026 Hyundai Sonata?
NHTSA overall crash-test ratings in this comparison: Buick Regal (5/5 NHTSA overall); Hyundai Sonata (5/5 NHTSA overall).