The Comparative Analysis :
KIA Optima 1.7 CRDi Automatic (13 - 15) vs. Lexus IS 250 Automatic (13 - 15)
€ 31,600

€ 34,200

€ 31,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The KIA Optima 1.7 CRDi is considerably bigger in every dimension. It's 7.1 inches longer, 0.8 inches wider and an inch taller than the Lexus IS 250.
KIA Optima 1.7 CRDi
Lexus IS 250
57.3
72
79.9
56.3
71.3
79.8
72 in
Width
71.3 in
79.9 in
Width Incl. Mirrors
79.8 in
57.3 in
Height
56.3 in
110
190.7
110.2
183.7
190.7 in
Length
183.7 in
110 in
Wheelbase
110.2 in
Vehicle Weight
KIA Optima 1.7 CRDi
Lexus IS 250
3516 lb
Curb Weight
3428 lb
4519 lb
Gross Vehicle
Weight
Weight
4608 lb

Weight Difference:
88 lb
2.5 %

General
KIA Optima 1.7 CRDi
Lexus IS 250
TF
Generation
XE3
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

Front-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
KIA Optima 1.7 CRDi
Lexus IS 250
Straight-four diesel engine with turbocharger
Engine Type
V6 gasoline engine (naturally aspirated engine)
4
Valves
4
4
Cylinders
6
1.7 L / 83 cu in
Displacement
2.5 L / 122 cu in
134 hp
at 4000 rpm
Power
205 hp
at 6400 rpm
KIA Optima 1.7 CRDi
134 hp
205 hp
Lexus IS 250
236 lb‑ft
at 2000 rpm
Max. Torque
186 lb‑ft
at 4800 rpm
KIA Optima 1.7 CRDi
236 lb‑ft
186 lb‑ft
Lexus IS 250
Performance
KIA Optima 1.7 CRDi
Lexus IS 250
122 mph
Maximum Speed
140 mph
11.6 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
528 ft
0.000 sec

KIA Optima 1.7 CRDi
62 mph
62
mph
mph
371 ft
0.000 sec

Lexus IS 250
▶ REPLAY
26.24 lb/hp
Weight-to-Power Ratio
16.72 lb/hp
KIA Optima 1.7 CRDi
26.24 lb/hp
16.72 lb/hp
Lexus IS 250
Fuel Economy / Emissions
KIA Optima 1.7 CRDi
Lexus IS 250
Fuel Economy
39 mpg
combined
27 mpg
KIA Optima 1.7 CRDi
39 mpg
27 mpg
Lexus IS 250
30 mpg
city
20 mpg
48 mpg
highway
35 mpg
18.5 gal
Fuel Tank Capacity
17.4 gal
725 mi
Range
477 mi
KIA Optima 1.7 CRDi
725 mi
477 mi
Lexus IS 250
Environmental Impact
123.4 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).
162.9 kWh
KIA Optima 1.7 CRDi
123.4 kWh
162.9 kWh
Lexus IS 250
Euro 5
Emission Standard
Euro 5
254 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
KIA Optima 1.7 CRDi
Lexus IS 250
4
Doors
4
5
No. of Seats
5
1003 lb
Maximum Payload
1179 lb
14.3 cu ft
Trunk Volume
13.6 cu ft









No data
Cargo Volume (Seats Down)
No data