Audi RS7 2026 4.0 TFSI quattro (600 HP) vs Audi S8 2018 Plus 4.0 TFSI quattro (605 HP): Which Should You Buy in KSA?

A complete comparison of the ⁦Audi RS7 2026 4.0 TFSI quattro (600 HP)⁩ VS ⁦Audi S8 2018 Plus 4.0 TFSI quattro (605 HP)⁩ — specs, prices, pros and cons, and live used listings across KSA.

Audi RS7 2026 4.0 TFSI quattro (600 HP)

Audi RS7 2026 4.0 TFSI quattro (600 HP)

From SAR 768,820

Audi S8 2018 Plus 4.0 TFSI quattro (605 HP)

Audi S8 2018 Plus 4.0 TFSI quattro (605 HP)

From SAR 739,650

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Price Comparison
Starting at768,820 SAR739,650 SAR
Engine & Power
Engine3,996 cc · 8 cyl3,993 cc · 8 cyl
Horsepower (bhp)600 hp605 hp
Torque (Nm)800 Nm700 Nm
Acceleration 0-100 Km/h (sec)3.6 s3.8 s
Top Speed (Km/h)250 km/h250 km/h
Fuel Economy (L/100 Km)11.5 L/100km12.3 L/100km
Fuel Tank Capacity73 L82 L
Gears88
TransmissionAutomaticAutomatic
Drive TypeAll Wheel DriveAll Wheel Drive
Fuel TypePetrolPetrol
Measurements
L×W×H5.0 m × 2.0 m × 1.4 m5.1 m × 2.1 m × 1.5 m
Wheelbase (meters)2.9 m3.0 m
Curb Weight (kg)2,140 kg2,125 kg
Trunk Capacity (liters)535 L520 L
Overview
Body StyleSedanSedan
Seating Capacity5 seats5 seats
Doors4 doors4 doors
Features
Key features
ABS Anti-Lock Brake SystemAirbagsAlloy RimsAUX InputBluetoothCD PlayerClimate ControlCool BoxCruise ControlDVD PlayerElectric SunroofFog LightsKeyless EntryLeather SeatsMoonroofMP3 SupportNavigation SystemOff-Road KitPanoramic Glass RoofParking SensorsPower LocksPower MirrorsPower SeatsPower SteeringPower WindowsPush Button StartRadioRear CameraSecurity SystemSpoilerUSB Port
ABS Anti-Lock Brake SystemAlloy RimsAUX InputBluetoothCD PlayerClimate ControlCruise ControlDVD PlayerElectric SunroofKeyless EntryLeather SeatsMoonroofMP3 SupportNavigation SystemPanoramic Glass RoofPark AssistParking SensorsPower LocksPower MirrorsPower SeatsPower SteeringPower WindowsPush Button StartRadioRear CameraSecurity SystemSpoilerUSB Port