New Hyundai i20 vs Kia Sonet - Price, Specs, Features, Mileage Comparison
Which car is better: Hyundai i20 or Kia Sonet? We compare prices, dimensions, engine specs, mileage and performance to help you decide which car better fulfils your requirements.

New i20 vs Sonet 2020 | Price Comparison - Which One Is Cheaper?
NEW i20 VS SONET | PRICE COMPARISON EX-SHOWROOM, DELHI |
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PETROL MANUAL |
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New Hyundai i20 |
Kia Sonet |
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Variants |
Price (in lakh) |
Variants |
Price (in lakh) |
Magna |
₹6.80 |
HTE 1.2 |
₹6.71 |
Sportz |
₹7.60 |
HTK 1.2 |
₹7.59 |
Asta |
₹8.70 |
HTK+ 1.2 |
₹8.45 |
Sportz Turbo 1.0 |
₹8.80 |
HTK+ |
₹9.49 |
Asta (O) |
₹9.20 |
HTX |
₹9.99 |
Asta Turbo 1.0 |
₹9.90 |
HTX+ |
₹11.65 |
- |
- |
GTX+ |
₹11.99 |
Hyundai i20 prices start from Rs. 6.80 lakh and go up to Rs. 9.90 lakh for the petrol manual powertrain. The Kia Sonet turbo petrol manual prices start from Rs. 6.71 lakh and go up to Rs. 11.99 lakh.
NEW i20 VS SONET | PRICE COMPARISON EX-SHOWROOM, DELHI |
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PETROL AUTOMATIC |
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New Hyundai i20 |
Kia Sonet |
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Variants |
Price (in lakh) |
Variants |
Price (in lakh) |
Sportz |
₹8.60 |
HTK+ |
₹10.49 |
Asta |
₹9.70 |
GTX+ |
₹12.89 |
Asta Turbo 1.0 |
₹10.67 |
- |
- |
Asta (O) Turbo 1.0 |
₹11.18 |
- |
- |
For the petrol automatic powertrain, Hyundai i20 prices start from Rs. 8.60 lakh. Hyundai i20 petrol automatic is Rs. 77,000 to 1.0 lakh more expensive than the manual. Kia Sonet starts at Rs. 10.49 lakh. Kia Sonet petrol automatic is Rs. 90,000 - 1.0 lakh more expensive than the manual.
NEW i20 VS SONET | PRICE COMPARISON EX-SHOWROOM, DELHI |
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DIESEL MANUAL |
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New Hyundai i20 |
Kia Sonet |
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Variants |
Price (in lakh) |
Variants |
Price (in lakh) |
Magna |
₹8.20 |
HTE |
₹8.05 |
Sportz |
₹9.00 |
HTK |
₹8.99 |
Asta(O) |
₹10.60 |
HTK+ |
₹9.49 |
- |
- |
HTX |
₹9.99 |
- |
- |
HTX+ |
₹11.65 |
- |
- |
GTX+ |
₹11.99 |
Hyundai i20 prices start from Rs. 8.20 lakh and go up to Rs. 10.60 lakh for the diesel manual powertrain. The Kia Sonet diesel manual prices start from Rs. 8.05 lakh and go up to Rs. 11.99 lakh.
NEW i20 VS SONET | PRICE COMPARISON EX-SHOWROOM, DELHI |
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DIESEL AUTOMATIC |
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New Hyundai i20 |
Kia Sonet |
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Variants |
Price (in lakh) |
Variants |
Price (in lakh) |
- |
- |
HTK+ |
₹10.39 |
- |
- |
GTX+ |
₹12.89 |
For the diesel automatic powertrain, Kia Sonet starts at Rs. 10.39 lakh. Kia Sonet diesel automatic is Rs. 90,000 more expensive than the manual. The all-new Hyundai i20 is not available with diesel automatic powertrain.
New i20 vs Sonet 2020 | Dimension Comparison - Which One Is Bigger?
Hyundai i20 is 3995mm long, 1775mm wide and 1505mm tall and has a wheelbase of 2580mm. The Hyundai i20 has a boot space of 311 litres. The Kia Sonet measures 3995mm in length, 1790mm in width and 1647mm in height. The wheelbase of Kia Sonet is 2500mm and it has a boot space of 392 litres.
Also Read - New Hyundai i20 vs Hyundai Venue - Price, Specs, Features, Mileage Comparison
NEW i20 VS SONET | DIMENSION COMPARISON |
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Dimensions |
Hyundai i20 |
Difference |
Kia Sonet |
Length (mm) |
3995 |
0 |
3995 |
Width (mm) |
1775 |
15 |
1790 |
Height (mm) |
1505 |
142 |
1647 |
Wheelbase (mm) |
2580 |
80 |
2500 |
Boot Space (litre) |
311 |
81 |
392 |
Ground Clearance(mm) |
170 |
35 |
205 |
Fuel Tank (litre) |
37 |
8 |
45 |
Tyre Size (Base Variant) |
185/55 R15 |
- |
195/65 R15 |
Tyre Size (Top Variant) |
195/55 R16 |
- |
215/60 R16 |
Dimension Review
- The i20 and the Sonet are equally long.
- The Sonet is wider than the i20 by 15mm.
- The Sonet is taller than the i20 by 142mm.
- The i20 has a longer wheelbase than the Sonet; by 80mm.
- The Sonet has 81 litres more boot space than the i20.
- The Sonet has 35mm more ground clearance than the new i20.
- In terms of dimensions, the Sonet is a larger car than the i20. So, it will have a better road presence than the i20.
New i20 vs Sonet 2020 | Engine Specs Comparison - Which One has Better Performance?
NEW i20 VS SONET | ENGINE COMPARISON |
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PETROL ENGINE |
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New Hyundai i20 |
Kia Sonet |
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Engine |
1.2 L Petrol |
1.2 L Petrol |
1.0 L Turbo Petrol |
1.0 L Turbo Petrol |
1.2 L Petrol |
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Displacement |
1197 cc |
1197 cc |
998 cc |
998 cc |
1197 cc |
|
Cylinder |
4 |
4 |
3 |
3 |
4 |
|
Maximum Power |
83PS @ 6600rpm |
88PS @ 6600rpm |
120PS @ 6000rpm |
120PS @ 6000rpm |
83PS @ 6300rpm |
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Peak Torque |
115Nm @ 4200rpm |
115Nm @ 4200rpm |
172Nm @ 1500 - 4000rpm |
172Nm @ 1500 - 4000rpm |
115Nm @ 4200rpm |
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Manual Transmission |
5-speed |
- |
6-speed ACMT |
6-speed ACMT |
5-speed |
|
Manual FE |
20.35kmpl |
- |
20kmpl |
18.2kmpl |
18.4kmpl |
|
Automatic Transmission |
- |
CVT |
7-speed DCT |
7-speed DCT |
- |
|
Automatic FE |
- |
19.65kmpl |
20.25kmpl |
18.3kmpl |
- |
New i20 Petrol vs Sonet Petrol
The new Hyundai i20’s 1.2 L, 4-cylinder petrol engine makes 83PS of maximum power and 115Nm of peak torque with the 5-speed manual transmission. With the automatic, the power figure increases to 88PS. The torque output remains the same for both manual and CVT type automatic transmission and it peaks at 4200rpm. The new Hyundai i20 1.2L petrol manual has a mileage of 20.35kmpl while the automatic claims to deliver a fuel efficiency figure of 19.65kmpl.
The new i20 also gets a 1.0 L, 3-cylinder turbo petrol engine that makes 120PS of maximum power and 172Nm of peak torque. It is available with a 6-speed auto-clutch manual and a 7-speed DCT type automatic transmission. The new Hyundai i20 1.0L turbo petrol manual has a mileage of 20kmpl while the automatic claims to deliver a fuel efficiency figure of 20.25kmpl.
Also Read - New Hyundai i20 vs Tata Nexon - Price, Specs, Features, Mileage Comparison
Kia Sonet 1.0 L, 3-cylinder turbo petrol engine makes 120PS of maximum power and 172Nm of peak torque. It is available with a 6-speed auto-clutch manual and a 7-speed DCT type automatic transmission. The Kia Sonet petrol manual has a mileage of 18.2kmpl while the automatic claims to deliver a fuel-efficiency figure of 18.3kmpl.
The Sonet also gets a 1.2 L, 4-cylinder petrol engine that makes 83PS of maximum power and 115Nm of peak torque. It is available with a 5-speed manual transmission and returns a fuel-efficiency of 18.4kmpl.
Petrol Engine Review
- The Sonet 1.2 and i20 1.2 petrol manual have identical power output.
- With the automatic transmission, the i20 1.2 petrol has 5PS more power than the Sonet 1.2L petrol manual.
- The Sonet turbo and i20 turbo have identical power output.
- The Sonet 1.2 and the i20 1.2 petrol have an identical torque output.
- The Sonet turbo and i20 turbo have identical torque output.
- The i20 petrol is more fuel-efficient than the Sonet.
- The i20 1.2 petrol has a better torque-to-weight ratio than the Sonet 1.2. So, it will offer better driveability.
- The i20 turbo petrol has a better torque-to-weight ratio than the Sonet turbo. So, it will offer better driveability.
NEW i20 VS SONET | ENGINE COMPARISON |
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DIESEL ENGINE |
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New Hyundai i20 |
Kia Sonet |
|
Engine |
1.5 L Diesel |
1.5 L Diesel |
Displacement |
1493 cc |
1493 cc |
Cylinder |
4 |
4 |
Maximum Power |
100PS @ 4000rpm |
100PS @ 4000rpm |
Peak Torque |
240Nm @ 1500 - 2750rpm |
240Nm @ 1500 - 2750rpm |
Manual Transmission |
6-speed |
6-speed |
Manual FE |
25.2kmpl |
24.1kmpl |
Automatic Transmission |
- |
6-speed TC |
Automatic FE |
- |
19kmpl |
i20 Diesel vs Sonet Diesel
The new Hyundai i20 1.5 L, 4-cylinder diesel engine makes 100PS of maximum power and 240Nm of peak torque. It is available with a 6-speed manual transmission and has a mileage of 25.2kmpl.
Kia Sonet gets a 1.5 L, 4-cylinder diesel engine makes 100PS of maximum power and 240Nm of peak torque. It is available with a 6-speed manual transmission. This same engine makes 115PS of power and 250Nm of torque with the 6-speed torque converter type automatic transmission. The Kia Sonet diesel manual has a mileage of 24.1kmpl while the automatic claims to deliver a fuel-efficiency figure of 19kmpl.
Diesel Engine Review
- The new i20 and the Sonet have identical power output.
- The new i20 and the Sonet have identical torque output.
- The new i20 diesel is more fuel-efficient than the Sonet.
- The i20 diesel has a better torque-to-weight ratio than the Sonet diesel. So, it’ll offer better drivability.
New i20 vs Sonet 2020 | Top Feature Comparison
Notable top features of new i20 are:
- Auto headlamps
- 16-inch alloy wheels
- Side & curtain airbags
- 10.25-inch touchscreen infotainment system w/ Apple CarPlay & Android Auto
- Electric sunroof
- Auto AC w/ rear AC vents
- Cruise control
- Rain sensing wipers
- Keyless entry w/ push start/stop button
- Rear defogger
- Rear wiper & washer
Notable top features of Sonet 2020 are:
- LED Headlamps w/ LED DRL
- Electric sunroof
- 16-inch alloy wheels
- 10.25-inch touchscreen w/ Android Auto & Apple CarPlay
- 6 airbags
- Auto AC w/ rear AC vent & air purifier
- Cruise Control
- Smart key w/ push start/stop button
- Ventilated seats
- Wireless phone charger w/ cooling vent
- Tyre pressure monitoring system