The Comparative Analysis :
Mercedes C 400 4MATIC 7G-TRONIC PLUS (14 - 16) vs. KIA Optima 2.0 T-GDI GT Automatic (16 - 18)
€ 53,500

€ 40,900

€ 53,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 400 is considerably smaller in every dimension. It's 6.7 inches shorter, 2 inches narrower and 0.7 inches lower than the KIA Optima 2.0 T-GDI.
Mercedes C 400
KIA Optima 2.0 T-GDI
56.8
71.3
79.5
57.5
73.2
83.5
71.3 in
Width
73.2 in
79.5 in
Width Incl. Mirrors
83.5 in
56.8 in
Height
57.5 in
111.8
184.5
110.4
191.1
184.5 in
Length
191.1 in
111.8 in
Wheelbase
110.4 in
Vehicle Weight
Mercedes C 400
KIA Optima 2.0 T-GDI
3627 lb
Curb Weight
3649 lb
4872 lb
Gross Vehicle
Weight
Weight
4674 lb

Weight Difference:
22 lb
0.6 %

General
Mercedes C 400
KIA Optima 2.0 T-GDI
W205
Generation
JF
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Front-wheel drive

7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes C 400
KIA Optima 2.0 T-GDI
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz M 276
Engine Series
M 276.823
Engine Code

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
328 hp
at 5250 rpm
Power
242 hp
at 6000 rpm
Mercedes C 400
328 hp
242 hp
KIA Optima 2.0 T-GDI
354 lb‑ft
at 1600 rpm
Max. Torque
258 lb‑ft
at 1350 rpm
Mercedes C 400
354 lb‑ft
258 lb‑ft
KIA Optima 2.0 T-GDI
Performance
Mercedes C 400
KIA Optima 2.0 T-GDI
155 mph
Maximum Speed
149 mph
5.2 sec
Acceleration 0 to 62 mph
7.4 sec
62 mph
62
mph
mph
236 ft
0.000 sec

Mercedes C 400
62 mph
62
mph
mph
338 ft
0.000 sec

KIA Optima 2.0 T-GDI
▶ REPLAY
11.06 lb/hp
Weight-to-Power Ratio
15.08 lb/hp
Mercedes C 400
11.06 lb/hp
15.08 lb/hp
KIA Optima 2.0 T-GDI
Fuel Economy / Emissions
Mercedes C 400
KIA Optima 2.0 T-GDI
Fuel Economy
32 mpg
combined
29 mpg
Mercedes C 400
32 mpg
29 mpg
KIA Optima 2.0 T-GDI
24 mpg
city
20 mpg
41 mpg
highway
39 mpg
17.4 gal
Fuel Tank Capacity
18.5 gal
562 mi
Range
531 mi
Mercedes C 400
562 mi
531 mi
KIA Optima 2.0 T-GDI
Environmental Impact
138.2 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
155.3 kWh
Mercedes C 400
138.2 kWh
155.3 kWh
KIA Optima 2.0 T-GDI
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
278 g/mi (NEFZ)
CO2 Emissions
307 g/mi (NEFZ)
Practical Convenience
Mercedes C 400
KIA Optima 2.0 T-GDI
4
Doors
4
5
No. of Seats
5
1246 lb
Maximum Payload
1025 lb
13.6 cu ft
Trunk Volume
14.4 cu ft









No data
Cargo Volume (Seats Down)
No data