Car comparison

Kia Optima IV GT 2.0 T-GDIvsJaguar XJ (X351) · Facelift 2015 2.0

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Kia Optima IV

GT 2.0 T-GDI

245 hp1998 ccGasolineFWDAutomaticTwin-turboSedan2016-2018
VS

Jaguar XJ (X351) · Facelift 2015

2.0

240 hp1999 ccGasolineRWDAutomaticTurbochargedSedan2015-2018

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Kia Optima IV GT 2.0 T-GDI

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    250 km/h
    155 mph Unrestricted
    240 km/h
    149 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    353 Nm
    260 lb-ft
  • Lightest
    1,680 kg
    3,704 lb
  • Best power-to-weight
    146 hp/t
    109 kW/t
    6.9 kg/hp
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest CO2 emissions
    191 g/km
  • Best overall score
    62/100
  • Best performance score
    56/100
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelKiaOptima IVGT 2.0 T-GDIJaguarXJ (X351)Facelift 20152.0
Power
245hp183kW
240hp179kW
Torque
353Nm260lb-ft
340Nm251lb-ft
Curb weight
1,680kg3,704lb
1,735kg3,825lb
Gross weight
2,120kg4,674lb
-
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
241 km/h
150 mph
To 99% top speed
72.7s99% target: 248 km/h / 154 mph
Calculated
80.2s99% target: 239 km/h / 148 mph
Calculated
0-100 km/h
7.4s
7.9s
0-200 km/h
24.4s
Calculated
28.6s
Calculated
0-60 mph
7.1s
Calculated
7.5s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
8.4L/100 km28mpg US33.6mpg UK
Fuel consumption city
11.8L/100 km19.9mpg US23.9mpg UK
-
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
-
Quarter mile
15.2s
Calculated
15.7s
Calculated
Power-to-weight
146hp/t109kW/t66hp/1000 lb
Calculated
138hp/t103kW/t63hp/1000 lb
Calculated
Torque-to-weight
210Nm/t141lb-ft/ton
Calculated
196Nm/t131lb-ft/ton
Calculated
Estimated range
854km530mi
Calculated
952km592mi
Calculated
Displacement
1,998cc122cu in
1,999cc122cu in
Length
4,855mm191in
5,130mm202in
Width
1,860mm73in
1,899mm75in
Height
1,465mm58in
1,460mm57in
Wheelbase
2,805mm110in
3,032mm119in
Front track
1,597mm63in
1,626mm64in
Rear track
1,608mm63in
1,604mm63in
Trunk volume
510L
-
Doors
4
4
Seats
5
5
Fuel tank
70L
80L
CO2 emissions
191g/km
199g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Kia Optima IV GT 2.0 T-GDIJaguar XJ (X351) Facelift 2015 2.0PowerTorque
  • Kia Optima IV GT 2.0 T-GDI: Power / Torque
  • Jaguar XJ (X351) Facelift 2015 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
KiaOptima IVGT 2.0 T-GDI6,000 rpm1,350-4,000 rpm6,250 rpm
JaguarXJ (X351)Facelift 20152.05,500 rpm2,000-4,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricKiaOptima IVGT 2.0 T-GDIJaguarXJ (X351)Facelift 20152.0
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
7.5 s
0-100 km/h
0-62 mph
7.4 s
7.9 s
0-200 km/h
0-124 mph
24.4 s
28.6 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
241 km/h
150 mph
Drag race simulation
60 ft
18 m
2.8 s
2.8 s
330 ft
101 m
6.9 s
7.0 s
1/8 mile
201 m
10.2 s
10.4 s
1000 ft
305 m
12.9 s
13.3 s
1/4 mile
402 m
15.2 s
15.7 s
Trap speed
1/4 mile
402 m
160 km/h
100 mph
153 km/h
95 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
245 hp
183 kW
JaguarXJ (X351)Facelift 20152.0
240 hp
179 kW

Kia Optima IV GT 2.0 T-GDI has 5 hp more than Jaguar XJ (X351) Facelift 2015 2.0.

The biggest power difference is between Jaguar XJ (X351) Facelift 2015 2.0 and Kia Optima IV GT 2.0 T-GDI: 5 hp (4 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
353 Nm
260 lb-ft
JaguarXJ (X351)Facelift 20152.0
340 Nm
251 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
1,680 kg
3,704 lb
JaguarXJ (X351)Facelift 20152.0
1,735 kg
3,825 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
JaguarXJ (X351)Facelift 20152.0
241 km/h
150 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI7.4 s
JaguarXJ (X351)Facelift 20152.07.9 s

The biggest 0-100 km/h difference is between Kia Optima IV GT 2.0 T-GDI and Jaguar XJ (X351) Facelift 2015 2.0: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
JaguarXJ (X351)Facelift 20152.0
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
146 hp/t
109 kW/t
6.9 kg/hp
JaguarXJ (X351)Facelift 20152.0
138 hp/t
103 kW/t
7.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
KiaOptima IVGT 2.0 T-GDI
854 km
530 mi
JaguarXJ (X351)Facelift 20152.0
952 km
592 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
KiaOptima IVGT 2.0 T-GDI
245 hp
183 kW
7.4 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
JaguarXJ (X351)Facelift 20152.0
240 hp
179 kW
7.9 s
241 km/h
150 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
KiaOptima IVGT 2.0 T-GDI
Power
245 hp
183 kW
0-100 km/h7.4 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,855 mm
191.1 in
Height
1,465 mm
57.7 in
JaguarXJ (X351)Facelift 20152.0
Power
240 hp
179 kW
0-100 km/h7.9 s
Top speed
241 km/h
150 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
KiaOptima IVGT 2.0 T-GDI
Power
245 hp
183 kW
0-100 km/h7.4 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
JaguarXJ (X351)Facelift 20152.0
Power
240 hp
179 kW
0-100 km/h7.9 s
Top speed
241 km/h
150 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Kia Optima IV GT 2.0 T-GDI is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
KiaOptima IVGT 2.0 T-GDI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.4 s
JaguarXJ (X351)Facelift 20152.0
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
7.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
KiaOptima IVGT 2.0 T-GDI
146 hp/t
109 kW/t
6.9 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
JaguarXJ (X351)Facelift 20152.0
138 hp/t
103 kW/t
7.2 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleKiaOptima IVGT 2.0 T-GDIJaguarXJ (X351)Facelift 20152.0
Power
245 hp
183 kW
240 hp
179 kW
Torque
353 Nm
260 lb-ft
340 Nm
251 lb-ft
Acceleration
7.4 s
7.9 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
241 km/h
150 mph
Lightness
1,680 kg
3,704 lb
1,735 kg
3,825 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,855 mm
191.1 in
Height
1,465 mm
57.7 in
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Range score
854 km
530 mi
952 km
592 mi
CO2 score
191 g/km
199 g/km
Trunk score
510 L
18.0 cu ft
-
Power-to-weight score
146 hp/t
109 kW/t
6.9 kg/hp
138 hp/t
103 kW/t
7.2 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleKia Optima IV GT 2.0 T-GDIJaguar XJ (X351) Facelift 2015 2.0
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km14.35 LC100 km14.70 LC100 km
Cost / 100 mi23.09 LC100 mi23.66 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost2,153 LC/year2,205 LC/year

Head-to-head comparisons

Kia Optima IV GT 2.0 T-GDI

  • Has 5 hp more
  • Has 13 Nm more
  • Is 55 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 9 km/h (6 mph) higher top speed
  • Uses 0.2 L/100 km less fuel
  • Has 8 hp/t better power-to-weight
  • Emits 8 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Jaguar XJ (X351) Facelift 2015 2.0

  • Has 99 km (61 mi) more estimated range

Pros

  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Kia Optima IV GT 2.0 T-GDI
Jaguar XJ (X351) 2.0
Compare selected cars
2 vehicles selected

Popular comparisons

GT 2.0 T-GDI
EcoBoost 245
VS
KiaOptima IVGT 2.0 T-GDIvsFordTaurus VIIEcoBoost 245
2.0
4.2 V8
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ Sovereign (X358)4.2 V8
GT 2.0 T-GDI
E 300
VS
KiaOptima IVGT 2.0 T-GDIvsMercedes-BenzE-class (W213)E 300
2.0
4.2 V8
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ (X358)4.2 V8
GT 2.0 T-GDI
2.0
VS
KiaOptima IVGT 2.0 T-GDIvsJaguarXF (X260)2.0
2.0
4.2 V8 32V L
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ (X350)4.2 V8 32V L
GT 2.0 T-GDI
3.0d V6
VS
KiaOptima IVGT 2.0 T-GDIvsMaseratiGhibli III (M157)Facelift 20173.0d V6
2.0
6.0 V12 Classic
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ (X300)6.0 V12 Classic
GT 2.0 T-GDI
C 300
VS
KiaOptima IVGT 2.0 T-GDIvsMercedes-BenzC-class (W205)C 300
2.0
5.0 V8
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ (X351)5.0 V8
GT 2.0 T-GDI
350 V6
VS
KiaOptima IVGT 2.0 T-GDIvsLexusES VI (XV60)Facelift 2015350 V6
2.0
R 4.0 V8 32V
VS
JaguarXJ (X351)Facelift 20152.0vsJaguarXJ (X308)R 4.0 V8 32V
Kia Optima IV GT 2.0 T-GDI vs Jaguar XJ (X351) · Facelift 2015 2.0 - car comparison - FastVsFaster