← Back to compare hub

Audi S4 vs Lexus GS450h

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

Vehicles

Audi logo

2025 Audi S4

Lexus logo

2018 Lexus GS450h

Overview

SpecAudi S4PremiumLexus GS450h450h
Selected trimPremium450h
Body styleSedanSedan
Drivetrainall wheel driverear wheel drive
Fuel typepremium unleaded (recommended)premium unleaded (required)
Transmission8-speed shiftable automaticcontinuously variable-speed automatic
Engine typegashybrid
Model year20252018

Pricing & market

SpecAudi S4PremiumLexus GS450h450h
MSRP$54,900 (best)$63,635
Lowest listing price$25,423 (best)
Median listing price$25,423 (best)
Highest listing price$25,423 (best)
For sale now1 (best)0

Fuel economy & range

SpecAudi S4PremiumLexus GS450h450h
Combined MPG24 MPG31 MPG (best)
City MPG20 MPG29 MPG (best)
Highway MPG29 MPG34 MPG (best)
Fuel tank15.3 gal17.4 gal (best)

Performance

SpecAudi S4PremiumLexus GS450h450h
Horsepower349 hp (best)338 hp
Torque369 lb-ft (best)
Engine size3 L3.5 L (best)
CylindersV6V6

Size & capability

SpecAudi S4PremiumLexus GS450h450h
Seating5 seats5 seats
Doors44
Cargo volume12 cu ft13.2 cu ft (best)
Payload1,036 lbs (best)1,013 lbs
Curb weight3,880 lbs (best)4,112 lbs
Ground clearance5.1 in (best)
Wheelbase111 in112.2 in (best)
Length187.5 in192.1 in (best)
Width72.7 in (best)72.4 in
Height56.2 in57.3 in (best)

Safety & recalls

SpecAudi S4PremiumLexus GS450h450h
Rollover5 / 5 ★ (best)
Open recalls (YMM scope)None reportedNone 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.

TrimAudi S4Lexus GS450h
1

Premium

$54,900 MSRP(Currently comparing)

450h

$63,635 MSRP(Currently comparing)

2

Premium Plus

$58,800 MSRP

450h F SPORT

$68,680 MSRP

3

Prestige

$61,500 MSRP

Live inventory

Audi S4 vs Lexus GS450h FAQ

Which is better: 2025 Audi S4 or 2018 Lexus GS450h?
It depends on priorities. OpenDealer compares 2025 Audi S4 vs 2018 Lexus GS450h on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2025 Audi S4 or 2018 Lexus GS450h?
Based on starting MSRP, the 2025 Audi S4 starts lower at $54,900. Live Audi S4 listings start at $25,423.
Which has better startingMsrp: 2025 Audi S4 or 2018 Lexus GS450h?
The 2025 Audi S4 leads on startingMsrp in this comparison (54,900).
Which has better combinedMpg: 2025 Audi S4 or 2018 Lexus GS450h?
The 2018 Lexus GS450h leads on combinedMpg in this comparison (31).
Which has better horsepower: 2025 Audi S4 or 2018 Lexus GS450h?
The 2025 Audi S4 leads on horsepower in this comparison (349).