Site Title

Compare Kia K9 II vs Mercedes Maybach S-Class Z223

Reviews

Neoscore
76%
80%
Pros
  • Superb styling with elegance and sportiness
  • Naturally-aspirated V8 still available
  • Multi-link suspensions all-around
  • Last chance to get a Mercedes V12
  • Very comfortable
Cons
  • Kia is getting addicted to AWD
  • Ugly exterior styling
  • Too much focus on electronic gimmicks

Variants

3.3 T-GDI
3.3 T-GDI AWD
3.8 GDI
3.8 GDI AWD
5.0 GDI AWD
S 580 4MATIC
S 680 4MATIC

Capacity

Cargo Capacity
S 580 4MATIC505 L / 17.8 cu-ftS 680 4MATIC495 L / 17.5 cu-ft
Engine Oil Capacity
S 580 4MATIC9.5 L / 10.0 qtS 680 4MATIC10.5 L / 11.1 qt
Fuel Capacity
76.0 L / 20.1 gal
Passengers
5
4
Payload
S 580 4MATIC695 kg / 1532 lbsS 680 4MATIC615 kg / 1356 lbs

Chassis

Brakes | Front
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Chassis Type
Unibody
Offroad | Approach Angle
14.7 deg
Offroad | Breakover Angle
9.9 deg
Offroad | Departure Angle
15.4 deg
Power Steering
Electric Steering
Suspension | Front
Multi-link
Multi-link
Suspension | Rear
Multi-link
Pneumatic
Tire Size
3.3 T-GDI245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.3 T-GDI AWD245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.8 GDI245/50 R18, 245/45 R19 98W, 275/40 R19 101W3.8 GDI AWD245/50 R18, 245/45 R19 98W, 275/40 R19 101W5.0 GDI AWD275/40 R19 101W
Front wheel tires: 255/45 R19, 255/40 R20, 265/35 R21 Rear wheel tires: 255/45 R19, 255/40 R20, 285/35 R20, 265/35 R21

Construction

Body Style
4-door Sedan
Full-size limousineS 580 4MATIC4-door mild-hybrid SedanS 680 4MATIC4-door Sedan
Platform
Mercedes-Benz MRA

Dimensions

Ground Clearance
130 mm / 5.1 in
Size | Height
1490 mm / 58.7 in
1510 mm / 59.4 in
Size | Length
5120 mm / 201.6 in
5469 mm / 215.3 in
Size | Width
1915 mm / 75.4 in
1921 mm / 75.6 in | 2109 mm / 83.0 in (mirror unfolded)
Track Width | Front
3.3 T-GDI1629.0 mm / 64.1 in3.3 T-GDI AWD1629.0 mm / 64.1 in3.8 GDI1629.0 mm / 64.1 in3.8 GDI AWD1629.0 mm / 64.1 in5.0 GDI AWD1639.0 mm / 64.5 in
1655.0 mm / 65.2 in
Track Width | Rear
1639.0 mm / 64.5 in
1683.0 mm / 66.3 in
Weight
3.3 T-GDI2015.0 kg / 4442.3 lbs3.3 T-GDI AWD2085.0 kg / 4596.6 lbs3.8 GDI1915.0 kg / 4221.9 lbs3.8 GDI AWD1985.0 kg / 4376.2 lbs5.0 GDI AWD2165.0 kg / 4773.0 lbs
S 580 4MATIC2215.0 kg / 4883.2 lbsS 680 4MATIC2275.0 kg / 5015.5 lbs
Wheel Size
3.3 T-GDI18 in, 19 in3.3 T-GDI AWD18 in, 19 in3.8 GDI18 in, 19 in3.8 GDI AWD18 in, 19 in5.0 GDI AWD19 in
Front wheel rims: 8.5J x 19, 9J x 20, 9J x 21 Rear wheel rims: 8.5J x 19, 9J x 20, 10J x 20, 9J x 21
Wheelbase
3105 mm / 122.2 in
3396 mm / 133.7 in

Performance

Acceleration | 0 - 100 km/h
S 580 4MATIC4.8 secS 680 4MATIC4.5 sec
Acceleration | 0 - 60 mph
S 580 4MATIC4.6 secS 680 4MATIC4.3 sec
CO2 Emission
3.3 T-GDI199 g/km3.3 T-GDI AWD213 g/km3.8 GDI192 ~ 196 g/km3.8 GDI AWD204 ~ 207 g/km5.0 GDI AWD231 g/km
S 580 4MATIC233 ~ 248 g/kmS 680 4MATIC305 ~ 322 g/km
Fuel Economy
21 mpg3.3 T-GDI11.5 L/100km / 20.5 MPG (combined) | 13.5 L/100km / 17.4 MPG (urban) | 9.2 L/100km / 25.6 MPG (highway)3.3 T-GDI AWD12.3 L/100km / 19.1 MPG (combined) | 14.2 L/100km / 16.6 MPG (urban) | 9.9 L/100km / 23.8 MPG (highway)3.8 GDI11.1 L/100km / 21.2 MPG (combined) | 12.8 L/100km / 18.4 MPG (urban) | 9.1 L/100km / 25.8 MPG (highway)3.8 GDI AWD11.9 L/100km / 19.8 MPG (combined) | 13.7 L/100km / 17.2 MPG (urban) | 9.7 L/100km / 24.2 MPG (highway)5.0 GDI AWD13.3 L/100km / 17.7 MPG (combined) | 15.6 L/100km / 15.1 MPG (urban) | 10.5 L/100km / 22.4 MPG (highway)
S 580 4MATIC10.2 L/100km / 23.1 MPG (combined) | 15.2 L/100km / 15.5 MPG (urban) | 7.3 L/100km / 32.2 MPG (highway)S 680 4MATIC13.3 L/100km / 17.7 MPG (combined) | 19.8 L/100km / 11.9 MPG (urban) | 9.5 L/100km / 24.8 MPG (highway)
Top Speed
250.0 km/h / 155.3 mph

Powertrain

Drivetrain Layout
3.3 T-GDIRear-wheel drive3.3 T-GDI AWDAll-wheel drive3.8 GDIRear-wheel drive3.8 GDI AWDAll-wheel drive5.0 GDI AWDAll-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6D-ISC-FCM
Engine
3.3 T-GDIG6DH3.3 T-GDI AWDG6DH3.8 GDIG6DJ3.8 GDI AWDG6DJ5.0 GDI AWDG8BE
S 580 4MATICM 176S 680 4MATICM 279
Engine | Bore
S 580 4MATIC83.0 mm / 3.3 inS 680 4MATIC82.6 mm / 3.3 in
Engine | Compression Ratio
9.0:1S 580 4MATIC10.5:1S 680 4MATIC9.0:1
Engine | Displacement
3.3 T-GDI3.3 L / 203.9 cu-in / 3342.0 cc3.3 T-GDI AWD3.3 L / 203.9 cu-in / 3342.0 cc3.8 GDI3.8 L / 230.5 cu-in / 3778.0 cc3.8 GDI AWD3.8 L / 230.5 cu-in / 3778.0 cc5.0 GDI AWD5.0 L / 307.4 cu-in / 5038.0 cc
S 580 4MATIC4.0 L / 243.0 cu-in / 3982.0 ccS 680 4MATIC6.0 L / 364.9 cu-in / 5980.0 cc
Engine | Power
3.3 T-GDI370.0 hp / 275.9 kW @ 6000 rpm3.3 T-GDI AWD370.0 hp / 275.9 kW @ 6000 rpm3.8 GDI315.0 hp / 234.9 kW @ 6000 rpm3.8 GDI AWD315.0 hp / 234.9 kW @ 6000 rpm5.0 GDI AWD425.0 hp / 316.9 kW @ 6000 rpm
S 580 4MATIC503.0 hp / 375.1 kW @ 5500 rpm + 20.0 hp / 14.9 kW (electric motor)S 680 4MATIC612.0 hp / 456.4 kW @ 5250-5500 rpm
Engine | Specific Output
3.3 T-GDI110.7 hp/L / 1.8 hp/cu-in3.3 T-GDI AWD110.7 hp/L / 1.8 hp/cu-in3.8 GDI83.4 hp/L / 1.4 hp/cu-in3.8 GDI AWD83.4 hp/L / 1.4 hp/cu-in5.0 GDI AWD84.4 hp/L / 1.4 hp/cu-in
S 580 4MATIC126.3 hp/L / 2.1 hp/cu-inS 680 4MATIC102.3 hp/L / 1.7 hp/cu-in
Engine | Stroke
S 580 4MATIC92.0 mm / 3.6 inS 680 4MATIC93.0 mm / 3.7 in
Engine | Torque
3.3 T-GDI510 Nm / 376.2 lb-ft @ 1300-4500 rpm3.3 T-GDI AWD510 Nm / 376.2 lb-ft @ 1300-4500 rpm3.8 GDI397 Nm / 292.8 lb-ft @ 5000 rpm3.8 GDI AWD397 Nm / 292.8 lb-ft @ 5000 rpm5.0 GDI AWD520 Nm / 383.5 lb-ft @ 5000 rpm
S 580 4MATIC700 Nm / 516.3 lb-ft @ 2000-4500 rpm + 200 Nm / 147.5 lb-ftS 680 4MATIC900 Nm / 663.8 lb-ft @ 2000-4000 rpm
Engine | Type
3.3 T-GDITurbocharged direct-injected petrol V6 engine3.3 T-GDI AWDTurbocharged direct-injected petrol V6 engine3.8 GDINaturally-aspirated direct-injected petrol V6 engine3.8 GDI AWDNaturally-aspirated direct-injected petrol V6 engine5.0 GDI AWDNaturally-aspirated direct-injected petrol V8 engine
S 580 4MATICBi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinderS 680 4MATICBi-turbocharged multi-port injected petrol V12 SOHC engine with 3 values per cylinder
Transmission | Gears
8-speed
9
Transmission | Type
Automatic
Automatic 9G-TRONIC

Production

Availability
3.3 T-GDI20183.3 T-GDI AWD20183.8 GDI20183.8 GDI AWD20185.0 GDI AWD2018 ~ 2021
2021S 680 4MATIC2021 Q2
Debut
2018 New York Auto Show
S 580 4MATIC2020-11
Made In
South Korea
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