Dužina
1. SEAT Leon 2020 (novo)
4642 mm
2. SEAT Leon 2005
4323 mm
3. SEAT Leon 2009
4315 mm
4. SEAT Leon 2016
4247 mm
5. SEAT Leon 2012
4228 mm
Međuosovinski razmak
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 uključujući ogledala
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
Visina
1. SEAT Leon 2005
1458 mm
2. SEAT Leon 2009
1458 mm
3. SEAT Leon 2020 (novo)
1450 mm
4. SEAT Leon 2016
1446 mm
5. SEAT Leon 2012
1446 mm
Promjer okretanja
Prtljažnik/interijer
Prostor 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 2005
341 l
5. SEAT Leon 2009
341 l
Prostor prtljažnika (straga sjedala preklopljena, od dna do krova)
1. SEAT Leon 2020 (novo)
1600 l
2. SEAT Leon 2005
1166 l
3. SEAT Leon 2009
1166 l
4. SEAT Leon 2016
1150 l
5. SEAT Leon 2012
1150 l
Prtljažni prostor (stražnja sjedala presavijena, od dna do prozora)
1. SEAT Leon 2005
775 l
2. SEAT Leon 2009
775 l
Sjedala
Maks. sjedišta
Vrata
Isofix
1. SEAT Leon 2005
Serie
2. SEAT Leon 2009
Serie
3. SEAT Leon 2020 (novo)
Serie
4. SEAT Leon 2016
Serie
5. SEAT Leon 2012
Serie
Motori/pogonski sklop
Pogon
1. SEAT Leon 2005
Pogon na prednje kotače
2. SEAT Leon 2009
Pogon na prednje kotače
3. SEAT Leon 2020 (novo)
Pogon na prednje kotače, Pogon na sve kotače
4. SEAT Leon 2016
Pogon na prednje kotače, Pogon na sve kotače
5. SEAT Leon 2012
Pogon na prednje kotače, Pogon na sve kotače
Gorivo
1. SEAT Leon 2005
Bezolovni benzin, Dizel, Bezolovni benzin s većim oktanskim brojem
2. SEAT Leon 2009
Bezolovni benzin, Dizel, Bezolovni benzin s većim oktanskim brojem, Ukapljeni naftni plin
3. SEAT Leon 2020 (novo)
Bezolovni benzin, Dizel, Prirodni plin
4. SEAT Leon 2012
Bezolovni benzin, Dizel, Prirodni plin
5. SEAT Leon 2016
Bezolovni benzin, Dizel, Prirodni plin, Bezolovni benzin s većim oktanskim brojem
Mjenjač
1. SEAT Leon 2009
Ručni mjenjač, Automatski mjenjač (s dvostrukom spojkom)
2. SEAT Leon 2020 (novo)
Ručni mjenjač, Automatski mjenjač (s dvostrukom spojkom)
3. SEAT Leon 2012
Ručni mjenjač, Automatski mjenjač (s dvostrukom spojkom)
4. SEAT Leon 2016
Ručni mjenjač, Automatski mjenjač (s dvostrukom spojkom)
5. SEAT Leon 2005
Ručni mjenjač, Automatski mjenjač, Automatski mjenjač (s dvostrukom spojkom)
Brzine
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
Cilindri
Maks. brzina
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
Snaga
1. SEAT Leon 2016
63 - 228 kW
2. SEAT Leon 2012
63 - 213 kW
3. SEAT Leon 2020 (novo)
66 - 200 kW
4. SEAT Leon 2009
63 - 195 kW
5. SEAT Leon 2005
63 - 177 kW
Obrtni moment
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
Zapremina motora
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
Ubrzanje 0-100km/h
1. SEAT Leon 2016
4 - 12 s
2. SEAT Leon 2020 (novo)
7 - 12 s
3. SEAT Leon 2012
5 - 13 s
4. SEAT Leon 2005
6 - 13 s
5. SEAT Leon 2009
6 - 14 s
Potrošnja/ekologija
Veličina spremnika
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 potrošnja (NEDC)
1. SEAT Leon 2012
3 - 6 l/100km
2. SEAT Leon 2016
3 - 7 l/100km
3. SEAT Leon 2009
3 - 9 l/100km
4. SEAT Leon 2005
4 - 8 l/100km
Potrošnja u gradu (NEDC)
1. SEAT Leon 2012
3 - 8 l/100km
2. SEAT Leon 2009
4 - 12 l/100km
3. SEAT Leon 2016
4 - 9 l/100km
4. SEAT Leon 2005
6 - 12 l/100km
Kombinirana potrošnja (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
Emisija CO2 (WLTP)
1. SEAT Leon 2016
111 - 189 g/km
2. SEAT Leon 2020 (novo)
8 - 151 g/km
Standard emisije
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, Euro 6e-bis (WLTP) 36EB, Euro 6e (WLTP) 36EA
Veličina gume
1. SEAT Leon 2009
195/65R15
2. SEAT Leon 2012
195/65R15
3. SEAT Leon 2016
195/65R15
4. SEAT Leon 2020 (novo)
205/55R16
5. SEAT Leon 2005
225/40R18
Buka
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
Težina/vuča
Prazna težina (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 - 1670 kg
Dopuštena ukupna težina
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 kočnicama
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 (bez kočnica)
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
Maks. opterećenje krova
1. SEAT Leon 2016
75 kg
2. SEAT Leon 2012
75 kg
3. SEAT Leon 2020 (novo)
75 kg
4. SEAT Leon 2009
75 kg
5. SEAT Leon 2005
75 kg
Maks. opterećenje vučne kuke
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
Domet (WLTP)
1. SEAT Leon 2020 (novo)
62 - 133 km
Kapacitet baterije - ukupni
1. SEAT Leon 2020 (novo)
12 - 25 kWh
Kapacitet baterije - upotrebljiv
1. SEAT Leon 2020 (novo)
10 - 19 kWh