Car comparison

Seat Leon IV 1.5 TSIvsSeat Leon III ST 1.4 TSI

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

New comparison

Seat Leon IV

1.5 TSI

150 hp1498 ccGasolineFWDManualTurbochargedHatchback2020-present
VS

Seat Leon III ST

1.4 TSI

150 hp1395 ccGasolineFWDManualTurbochargedWagon / estate2014-2016

Comparison overview

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

Best choices

Seat Leon III ST 1.4 TSI

  • Quickest 0-100 km/h
    8.1 s
  • Lowest combined fuel consumption
    4.8 L/100 km
    49.0 mpg US
    58.9 mpg UK
  • Largest trunk
    587 L
  • Best overall score
    58/100
  • Best economy score
    94/100
  • Best practicality score
    87/100

Seat Leon IV 1.5 TSI

  • Fastest top speed
    221 km/h
    137 mph
  • Most powerful
    150 hp
    112 kW
  • Highest torque
    250 Nm
    184 lb-ft
  • Lightest
    1,241 kg
    2,736 lb
  • Best power-to-weight
    121 hp/t
    90 kW/t
    8.3 kg/hp
  • Best performance score
    45/100

Specification comparison

Specification comparison
ModelSeatLeon IV1.5 TSISeatLeon III ST1.4 TSI
Power
150hp112kW
150hp112kW
Torque
250Nm184lb-ft
250Nm184lb-ft
Curb weight
1,241kg2,736lb
1,275kg2,811lb
Gross weight
1,840kg4,057lb
1,840kg4,057lb
Top speed
221 km/h
137 mph
215 km/h
134 mph
To 99% top speed
89.4s99% target: 219 km/h / 136 mph
Calculated
70.1s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
8.4s
8.1s
0-200 km/h
41.0s
Calculated
38.8s
Calculated
0-60 mph
8.0s
Calculated
7.7s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
4.8L/100 km49mpg US58.9mpg UK
Fuel consumption city-
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption highway-
4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile
16.1s
Calculated
15.9s
Calculated
Power-to-weight
121hp/t90kW/t55hp/1000 lb
Calculated
118hp/t88kW/t53hp/1000 lb
Calculated
Torque-to-weight
201Nm/t135lb-ft/ton
Calculated
196Nm/t131lb-ft/ton
Calculated
Estimated range
794km493mi
Calculated
-
Displacement
1,498cc91cu in
1,395cc85cu in
Length
4,368mm172in
4,535mm179in
Width
1,800mm71in
1,816mm71in
Height
1,456mm57in
1,451mm57in
Wheelbase
2,686mm106in
2,636mm104in
Front track
1,545mm61in
1,549mm61in
Rear track
1,516mm60in
1,520mm60in
Trunk volume
380L
587L
Max trunk volume
1,301L
1,470L
Doors
5
5
Seats
5
5
Fuel tank
50L
-
CO2 emissions-
112g/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.

Seat Leon IV 1.5 TSISeat Leon III ST 1.4 TSIPowerTorque
  • Seat Leon IV 1.5 TSI: Power / Torque
  • Seat Leon III ST 1.4 TSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
SeatLeon IV1.5 TSI5,000-6,000 rpm1,500-3,500 rpm6,250 rpm
SeatLeon III ST1.4 TSI5,000-6,000 rpm1,500-3,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricSeatLeon IV1.5 TSISeatLeon III ST1.4 TSI
Acceleration checkpoints
0-60 mph
0-97 km/h
8.0 s
7.7 s
0-100 km/h
0-62 mph
8.4 s
8.1 s
0-200 km/h
0-124 mph
41.0 s
38.8 s
Top speed
221 km/h
137 mph
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.7 s
2.8 s
330 ft
101 m
7.0 s
7.0 s
1/8 mile
201 m
10.5 s
10.5 s
1000 ft
305 m
13.6 s
13.4 s
1/4 mile
402 m
16.1 s
15.9 s
Trap speed
1/4 mile
402 m
144 km/h
89 mph
148 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
150 hp
112 kW
SeatLeon III ST1.4 TSI
150 hp
112 kW

Torque comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
250 Nm
184 lb-ft
SeatLeon III ST1.4 TSI
250 Nm
184 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
1,241 kg
2,736 lb
SeatLeon III ST1.4 TSI
1,275 kg
2,811 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
221 km/h
137 mph
SeatLeon III ST1.4 TSI
215 km/h
134 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI8.4 s
SeatLeon III ST1.4 TSI8.1 s

The biggest 0-100 km/h difference is between Seat Leon III ST 1.4 TSI and Seat Leon IV 1.5 TSI: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
SeatLeon III ST1.4 TSI
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

The biggest fuel consumption difference is between Seat Leon III ST 1.4 TSI and Seat Leon IV 1.5 TSI: 1.5 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
SeatLeon IV1.5 TSI
121 hp/t
90 kW/t
8.3 kg/hp
SeatLeon III ST1.4 TSI
118 hp/t
88 kW/t
8.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
SeatLeon IV1.5 TSI
150 hp
112 kW
8.4 s
221 km/h
137 mph
SeatLeon III ST1.4 TSI
150 hp
112 kW
8.1 s
215 km/h
134 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
SeatLeon IV1.5 TSI
Power
150 hp
112 kW
0-100 km/h8.4 s
Top speed
221 km/h
137 mph
Doors/seats
5 doors
5 seats
Trunk
380 L
13.4 cu ft
Length
4,368 mm
172.0 in
Height
1,456 mm
57.3 in
SeatLeon III ST1.4 TSI
Power
150 hp
112 kW
0-100 km/h8.1 s
Top speed
215 km/h
134 mph
Doors/seats
5 doors
5 seats
Trunk
587 L
20.7 cu ft
Length
4,535 mm
178.5 in
Height
1,451 mm
57.1 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
SeatLeon IV1.5 TSI
Power
150 hp
112 kW
0-100 km/h8.4 s
Top speed
221 km/h
137 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
SeatLeon III ST1.4 TSI
Power
150 hp
112 kW
0-100 km/h8.1 s
Top speed
215 km/h
134 mph
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

Seat Leon III ST 1.4 TSI 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
SeatLeon IV1.5 TSI
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
8.4 s
SeatLeon III ST1.4 TSI
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
8.1 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
SeatLeon IV1.5 TSI
121 hp/t
90 kW/t
8.3 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
SeatLeon III ST1.4 TSI
118 hp/t
88 kW/t
8.5 kg/hp
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleSeatLeon IV1.5 TSISeatLeon III ST1.4 TSI
Power
150 hp
112 kW
150 hp
112 kW
Torque
250 Nm
184 lb-ft
250 Nm
184 lb-ft
Acceleration
8.4 s
8.1 s
Top speed
221 km/h
137 mph
215 km/h
134 mph
Lightness
1,241 kg
2,736 lb
1,275 kg
2,811 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
380 L
13.4 cu ft
Length
4,368 mm
172.0 in
Height
1,456 mm
57.3 in
Doors/seats
5 doors
5 seats
Trunk
587 L
20.7 cu ft
Length
4,535 mm
178.5 in
Height
1,451 mm
57.1 in
Range score
794 km
493 mi
-
CO2 score
-
112 g/km
Trunk score
380 L
13.4 cu ft
587 L
20.7 cu ft
Power-to-weight score
121 hp/t
90 kW/t
8.3 kg/hp
118 hp/t
88 kW/t
8.5 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
VehicleSeat Leon IV 1.5 TSISeat Leon III ST 1.4 TSI
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK4.8 L/100 km49 mpg US58.9 mpg UK
Cost / 100 km11.03 LC100 km8.40 LC100 km
Cost / 100 mi17.74 LC100 mi13.52 LC100 mi
Annual fuel used945 L250 US gal208 UK gal720 L190 US gal158 UK gal
Annual fuel cost1,654 LC/year1,260 LC/year

Head-to-head comparisons

Seat Leon IV 1.5 TSI

  • Is 34 kg lighter
  • Has 6 km/h (4 mph) higher top speed
  • Has 3 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Smallest trunk

Seat Leon III ST 1.4 TSI

  • Is 0.3 s quicker from 0-100 km/h
  • Uses 1.5 L/100 km less fuel
  • Has 207 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Seat Leon IV 1.5 TSI
Seat Leon III ST 1.4 TSI
Compare selected cars
2 vehicles selected

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