Buick Regal vs Hyundai Sonata
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Hyundai Sonata
Overview
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| Selected trim | 1SV | SE |
| Body style | Sedan | Sedan |
| Drivetrain | front wheel drive | front wheel drive |
| Fuel type | flex-fuel (unleaded/E85) | regular unleaded |
| Transmission | 6-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | flex-fuel (FFV) | gas |
| Model year | 2017 | 2026 |
Pricing & market
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| MSRP | $27,065 (best) | $27,300 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| Combined MPG | 23 MPG | 32 MPG (best) |
| City MPG | 19 MPG | 28 MPG (best) |
| Highway MPG | 30 MPG | 38 MPG (best) |
| Fuel tank | 18 gal (best) | 15.9 gal |
Performance
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| Horsepower | 182 hp | 191 hp (best) |
| Torque | 172 lb-ft | 181 lb-ft (best) |
| Engine size | 2.4 L | 2.5 L (best) |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 14.2 cu ft | 15.6 cu ft (best) |
| Curb weight | 3,605 lbs | 3,232 lbs (best) |
| Ground clearance | — | 5.3 in (best) |
| Wheelbase | 107.8 in | 111.8 in (best) |
| Length | 190.2 in | 193.3 in (best) |
| Width | 73.1 in | 73.2 in (best) |
| Height | 58.4 in (best) | 56.9 in |
Safety & recalls
| Spec | Buick Regal1SV | Hyundai SonataSE |
|---|---|---|
| NHTSA overall | 5 / 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 pole | 5 / 5 ★ | 5 / 5 ★ |
| Rollover | 4 / 5 ★ | 5 / 5 ★ (best) |
| Open recalls (YMM scope) | None reported | None reported |
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.
| Trim | Buick Regal | Hyundai 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 |