Dolžina
1. SEAT Leon 2020 (novo)
4368 mm
2. SEAT Leon 2005
4315 mm
3. SEAT Leon 2009
4315 mm
4. SEAT Leon 2016
4247 mm
5. SEAT Leon 2012
4228 mm
Medosna razdalja
1. SEAT Leon 2020 (novo)
2686 mm
2. SEAT Leon 2016
2601 mm
3. SEAT Leon 2012
2601 mm
4. SEAT Leon 2005
2578 mm
5. SEAT Leon 2009
2578 mm
Širina
1. SEAT Leon 2016
1810 mm
2. SEAT Leon 2012
1810 mm
3. SEAT Leon 2020 (novo)
1799 mm
4. SEAT Leon 2005
1768 mm
5. SEAT Leon 2009
1768 mm
Širina vključno z ogledali
1. SEAT Leon 2020 (novo)
1991 mm
2. SEAT Leon 2016
1975 mm
3. SEAT Leon 2012
1975 mm
4. SEAT Leon 2005
? mm
5. SEAT Leon 2009
? mm
Višina
1. SEAT Leon 2005
1458 mm
2. SEAT Leon 2009
1458 mm
3. SEAT Leon 2020 (novo)
1456 mm
4. SEAT Leon 2016
1446 mm
5. SEAT Leon 2012
1446 mm
Obračalni krog
1. SEAT Leon 2009
10 m
2. SEAT Leon 2016
10.2 m
3. SEAT Leon 2012
10.2 m
4. SEAT Leon 2005
10.7 m
5. SEAT Leon 2020 (novo)
11.2 m
Prtljažnik/notranjost
Prostornina prtljažnika
1. SEAT Leon 2020 (novo)
270 - 620 l
2. SEAT Leon 2016
275 - 587 l
3. SEAT Leon 2012
275 - 587 l
4. SEAT Leon 2009
341 l
5. SEAT Leon 2005
341 l
Prostornina prtljažnika (zadnji sedeži zloženi, od dna do strehe)
1. SEAT Leon 2020 (novo)
1301 l
2. SEAT Leon 2009
1166 l
3. SEAT Leon 2005
1166 l
4. SEAT Leon 2016
1150 l
5. SEAT Leon 2012
1150 l
Prostornina prtljažnika (zadnji sedeži podrti, od dna do oken)
1. SEAT Leon 2009
775 l
2. SEAT Leon 2005
775 l
Sedeži
Maks. sedežev
Vrata
Isofix
1. SEAT Leon 2009
Serie
2. SEAT Leon 2005
Serie
3. SEAT Leon 2020 (novo)
Serie
4. SEAT Leon 2016
Serie
5. SEAT Leon 2012
Serie
Motorji/pogonski sklop
Pogon
1. SEAT Leon 2009
Pogon na sprednja kolesa
2. SEAT Leon 2005
Pogon na sprednja kolesa
3. SEAT Leon 2020 (novo)
Pogon na sprednja kolesa, Pogon na vsa kolesa
4. SEAT Leon 2016
Pogon na sprednja kolesa, Pogon na vsa kolesa
5. SEAT Leon 2012
Pogon na sprednja kolesa, Pogon na vsa kolesa
Gorivo
1. SEAT Leon 2005
Super, Dizel, Super Plus
2. SEAT Leon 2009
Super, Dizel, Super Plus, Utekočinjen naftni plin
3. SEAT Leon 2020 (novo)
Super, Dizel, Zemeljski plin
4. SEAT Leon 2012
Super, Dizel, Zemeljski plin
5. SEAT Leon 2016
Super, Dizel, Zemeljski plin, Super Plus
Menjalnik
1. SEAT Leon 2009
Ročni menjalnik, Avtomatski menjalnik (z dvojno sklopko)
2. SEAT Leon 2020 (novo)
Ročni menjalnik, Avtomatski menjalnik (z dvojno sklopko)
3. SEAT Leon 2012
Ročni menjalnik, Avtomatski menjalnik (z dvojno sklopko)
4. SEAT Leon 2016
Ročni menjalnik, Avtomatski menjalnik (z dvojno sklopko)
5. SEAT Leon 2005
Ročni menjalnik, Avtomatski menjalnik, Avtomatski menjalnik (z dvojno sklopko)
Prestave
1. SEAT Leon 2009
5 - 7
2. SEAT Leon 2020 (novo)
5 - 7
3. SEAT Leon 2012
5 - 7
4. SEAT Leon 2016
5 - 7
5. SEAT Leon 2005
5 - 6
Valji
Najv. hitrost
1. SEAT Leon 2009
172 - 250 km/h
2. SEAT Leon 2016
175 - 250 km/h
3. SEAT Leon 2012
178 - 250 km/h
4. SEAT Leon 2005
172 - 247 km/h
5. SEAT Leon 2020 (novo)
183 - 231 km/h
Moč
1. SEAT Leon 2016
63 - 228 kW
2. SEAT Leon 2012
63 - 213 kW
3. SEAT Leon 2009
63 - 195 kW
4. SEAT Leon 2005
63 - 177 kW
5. SEAT Leon 2020 (novo)
66 - 150 kW
Navor
1. SEAT Leon 2016
125 - 400 Nm
2. SEAT Leon 2012
160 - 380 Nm
3. SEAT Leon 2005
130 - 370 Nm
4. SEAT Leon 2020 (novo)
175 - 360 Nm
5. SEAT Leon 2009
130 - 350 Nm
Prostornina valjev
1. SEAT Leon 2009
1197 - 1984 ccm
2. SEAT Leon 2005
1390 - 1984 ccm
3. SEAT Leon 2016
999 - 1984 ccm
4. SEAT Leon 2012
999 - 1984 ccm
5. SEAT Leon 2020 (novo)
999 - 1984 ccm
Pospešek 0-100km/h
1. SEAT Leon 2020 (novo)
7.7 - 12 s
2. SEAT Leon 2016
4.9 - 12.9 s
3. SEAT Leon 2012
5.9 - 13 s
4. SEAT Leon 2005
6.4 - 13.7 s
5. SEAT Leon 2009
6 - 14 s
Poraba/ekologija
Velikost rezervoarja
1. SEAT Leon 2016
14 - 55 l
2. SEAT Leon 2012
14 - 55 l
3. SEAT Leon 2020 (novo)
17 - 55 l
4. SEAT Leon 2009
43 - 55 l
5. SEAT Leon 2005
55 l
Kombinirana poraba (NEDC)
1. SEAT Leon 2009
3 - 9.5 l/100km
2. SEAT Leon 2012
3.6 - 6.6 l/100km
3. SEAT Leon 2016
3.6 - 7.2 l/100km
4. SEAT Leon 2005
4.5 - 8.4 l/100km
Poraba v mestu (NEDC)
1. SEAT Leon 2012
3.9 - 8.5 l/100km
2. SEAT Leon 2009
4 - 12.9 l/100km
3. SEAT Leon 2016
4.7 - 9.1 l/100km
4. SEAT Leon 2005
6 - 12 l/100km
Kombinirana poraba (WLTP)
1. SEAT Leon 2012
? l/100km
2. SEAT Leon 2009
? l/100km
3. SEAT Leon 2016
? l/100km
4. SEAT Leon 2005
? l/100km
5. SEAT Leon 2020 (novo)
5 l/100km
Emisije CO2 (WLTP)
1. SEAT Leon 2016
111 - 189 g/km
2. SEAT Leon 2020 (novo)
25 - 151 g/km
Emissionski standard
1. SEAT Leon 2005
Euro 4, Euro 4, 5L
2. SEAT Leon 2009
Euro 4, Euro 4, 5L, Euro 5
3. SEAT Leon 2012
Euro 5, Euro 6b (NEFZ)
4. SEAT Leon 2016
Euro 6b (NEFZ), Euro 6d-TEMP (WLTP) 36AG-AI, Euro 6d-TEMP-EVAP (WLTP) 36BG-BI, Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
5. SEAT Leon 2020 (novo)
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG, Euro 6d-ISC-FCM (WLTP) 36AP-AR
Velikost pnevmatik
1. SEAT Leon 2009
195/65R15
2. SEAT Leon 2012
195/65R15
3. SEAT Leon 2016
195/65R15
4. SEAT Leon 2020 (novo)
195/65R15
5. SEAT Leon 2005
205/55R16
Hrup
1. SEAT Leon 2020 (novo)
64 - 69 dB
2. SEAT Leon 2009
71 - 74 dB
3. SEAT Leon 2005
72 - 74 dB
4. SEAT Leon 2016
64 - 75 dB
5. SEAT Leon 2012
69 - 75 dB
Teža/vleka
Prazna teža (EU)
1. SEAT Leon 2005
1251 - 1450 kg
2. SEAT Leon 2009
1251 - 1525 kg
3. SEAT Leon 2012
1168 - 1529 kg
4. SEAT Leon 2016
1168 - 1570 kg
5. SEAT Leon 2020 (novo)
1267 - 1663 kg
Dovoljena skupna teža
1. SEAT Leon 2020 (novo)
1750 - 2140 kg
2. SEAT Leon 2016
1700 - 2100 kg
3. SEAT Leon 2012
1680 - 2060 kg
4. SEAT Leon 2005
1746 - 1945 kg
5. SEAT Leon 2009
1746 - 1945 kg
Prikolica s krmiljenjem
1. SEAT Leon 2016
1000 - 2000 kg
2. SEAT Leon 2012
1000 - 2000 kg
3. SEAT Leon 2020 (novo)
1100 - 2000 kg
4. SEAT Leon 2009
1000 - 1400 kg
5. SEAT Leon 2005
1200 - 1400 kg
Prikolica (brez zavor)
1. SEAT Leon 2016
580 - 750 kg
2. SEAT Leon 2012
580 - 750 kg
3. SEAT Leon 2020 (novo)
630 - 750 kg
4. SEAT Leon 2009
620 - 720 kg
5. SEAT Leon 2005
640 - 710 kg
Največja strešna obremenitev
1. SEAT Leon 2016
75 kg
2. SEAT Leon 2012
75 kg
3. SEAT Leon 2009
75 kg
4. SEAT Leon 2005
75 kg
5. SEAT Leon 2020 (novo)
50 kg
Maks. obremenitev vlečne kljuke
1. SEAT Leon 2016
80 kg
2. SEAT Leon 2012
80 kg
3. SEAT Leon 2020 (novo)
80 kg
4. SEAT Leon 2009
75 kg
5. SEAT Leon 2005
75 kg
EV
Doseg (WLTP)
1. SEAT Leon 2020 (novo)
62 - 63 km
Kapaciteta baterije - skupna
1. SEAT Leon 2020 (novo)
12.8 kWh
Kapaciteta baterije - uporabna
1. SEAT Leon 2020 (novo)
10.4 kWh