The Comparative Analysis :
Lexus IS 250 Automatic (10 - 13) vs. KIA Optima 1.7 CRDi Automatic (13 - 15)
€ 35,800

€ 31,600

€ 35,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Lexus IS 250 is considerably smaller in every dimension. It's 10.2 inches shorter, 1.2 inches narrower and 1.2 inches lower than the KIA Optima 1.7 CRDi.
Lexus IS 250
KIA Optima 1.7 CRDi
56.1
70.9
70.9
57.3
72
79.9
70.9 in
Width
72 in
70.9 in
Width Incl. Mirrors
79.9 in
56.1 in
Height
57.3 in
107.5
180.5
110
190.7
180.5 in
Length
190.7 in
107.5 in
Wheelbase
110 in
Vehicle Weight
Lexus IS 250
KIA Optima 1.7 CRDi
3538 lb
Curb Weight
3516 lb
4508 lb
Gross Vehicle
Weight
Weight
4519 lb

Weight Difference:
22 lb
0.62 %

General
Lexus IS 250
KIA Optima 1.7 CRDi
XE2
Generation
TF
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Front-wheel drive

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

Lexus IS 250
62 mph
62
mph
mph
528 ft
0.000 sec

KIA Optima 1.7 CRDi
▶ REPLAY
17.26 lb/hp
Weight-to-Power Ratio
26.24 lb/hp
Lexus IS 250
17.26 lb/hp
26.24 lb/hp
KIA Optima 1.7 CRDi
Fuel Economy / Emissions
Lexus IS 250
KIA Optima 1.7 CRDi
Fuel Economy
28 mpg
combined
39 mpg
Lexus IS 250
28 mpg
39 mpg
KIA Optima 1.7 CRDi
20 mpg
city
30 mpg
36 mpg
highway
48 mpg
17.2 gal
Fuel Tank Capacity
18.5 gal
481 mi
Range
725 mi
Lexus IS 250
481 mi
725 mi
KIA Optima 1.7 CRDi
Environmental Impact
159.2 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).
123.4 kWh
Lexus IS 250
159.2 kWh
123.4 kWh
KIA Optima 1.7 CRDi
Euro 5
Emission Standard
Euro 5
312 g/mi (NEFZ)
CO2 Emissions
254 g/mi (NEFZ)
Practical Convenience
Lexus IS 250
KIA Optima 1.7 CRDi
4
Doors
4
5
No. of Seats
5
970 lb
Maximum Payload
1003 lb
11.3 cu ft
Trunk Volume
14.3 cu ft








No data
Cargo Volume (Seats Down)
No data