Head-to-head comparison

MGS9 PHEV vs BYD Sealion 7

MGS9 PHEV

Compared version: Comfort

from€41,990

31 dealers · 28 counties

77/100

ChinaCars Score · methodology v1.0

Very good

Ranked #2 of 17 ranked plug-in hybrid

Plug-in Hybrid (PHEV)SUV

Data: 8/10 fields

Leads on

Practicality · 7 seats+31 pts
Safety · warranty 7 years (+1)+12 pts
Value · €6,810 cheaper (−14%)+10 pts

Trade-offs

Performance · 0–100 km/h in 9.6 s (+2.9 s)−18 pts

View model

BYD

Sealion 7

Compared version: Comfort

from€48,800

29 dealers · 25 counties

67/100

ChinaCars Score · methodology v1.0

Very good

Ranked #6 of 21 ranked BEV

Battery Electric (BEV)SUV

Data: 12/12 fields

Leads on

Performance · 0–100 km/h in 6.7 s (−2.9 s)+18 pts

Trade-offs

Practicality · 5 seats−31 pts
Safety · warranty 6 years (−1)−12 pts
Value · €6,810 more expensive (+16%)−10 pts

View model

What matters to you?

Pick a profile and we recalculate a score with its weights, here only. We do not choose for you.

Who leads on what

On each score axis, the model at least 5 points ahead of the next one. Below that we write “tight”.

You are comparing different categories: plug-in hybrid (MGS9 PHEV) and electric (BYD Sealion 7). The Charging axis does not apply to every model, so we compare on Value, Range, Performance, Safety, and Practicality. Overall scores are not directly comparable across categories.

Value
MGS9 PHEV+10 pts
Range
MGS9 PHEV+5 pts
Performance
BYD Sealion 7+18 pts
Safety
MGS9 PHEV+12 pts
Practicality
MGS9 PHEV+31 pts
Charging
does not apply

MGS9 PHEV is the cheapest; BYD Sealion 7 costs €6,810 more (+16%).

BYD Sealion 7 has the longest range; MGS9 PHEV has 382 km less (−79%).

Score axes

Absolute 0–100 score on fixed scales, calculated for each model's entry version.

How we calculate the score

Overall score· not directly comparable across categories

MGS9 PHEV77

BYD Sealion 767

Value

MGS9 PHEV68

BYD Sealion 758

Range

MGS9 PHEV71

BYD Sealion 766

Performance

MGS9 PHEV53

BYD Sealion 771

Safety

MGS9 PHEV100

BYD Sealion 788

Practicality

MGS9 PHEV100

BYD Sealion 769

Charging

MGS9 PHEV—

BYD Sealion 751

Specifications

Differences are measured against the best in the comparison.

How to read the table

✓best in the comparison
≈equal: within 5% of the best
5–20%behind: 5–20% from the best
> 20%far behind: more than 20%
n/a: no data — never counted as a difference

MGS9 PHEV

€41,990

BYD

Sealion 7

€48,800

Price from

€41,990

€48,800

+16%+6,810 €

Top price in range

€43,990

€58,000

Warranty

7 years / 150,000 km

6 years / 150,000 km

−14%−1 year

Battery capacity

24.7 kWh

−70%−57.8 kWh

4 km/kWh

82.5 kWh

5.8 km/kWh

WLTP range

100 km

−79%−382 km

€420/km

482 km

€101/km

DC charging power

n/a

150 kW

DC charging time

n/a

32 min

AC charging power

11 kW

Power

299 hp · 220 kW

≈ equal

€140/hp

313 hp · 230 kW

€156/hp

Torque

n/a

690 Nm

Top speed

200 km/h

−7%−15 km/h

215 km/h

0–100 km/h

9.6 s

+43%+2.9 s

6.7 s

Drive

FWD

RWD

Length

n/a

4,830 mm

Width

n/a

1,925 mm

Height

n/a

1,620 mm

Wheelbase

n/a

2,930 mm

Boot volume

n/a

520 l

Seats

−29%−2

Euro NCAP rating

5 ★

EU homologated

Yes

Data verified

09/27/2026

Verified facts

With source and date, for each model in the comparison.

MGS9 PHEV

WarrantyJune 24, 2025

Declarația de garanție MG România (24.06.2025): garanție 84 luni sau 150.000 km, incluzând bateria de înaltă tensiune – acoperită dacă capacitatea scade sub 70% din valoarea inițială; baterie 12V 2 ani; taxi/uz comercial 3 ani/100.000 km; garanție transferabilă; reparații doar în service autorizat MG.

Warranty & assistance

static.mgcluj.romediaRomania

BYD Sealion 7

SafetyApril 9, 2025

Euro NCAP (9 aprilie 2025): 5 stele – Adulți 87%, Copii 93%, Pietoni/bicicliști 76%, Asistență 79%. Slăbiciuni: protecție „slabă” a toracelui pasagerului din spate la testul cu barieră rigidă; rezultate slabe la stâlpii parbrizului pentru capul pietonului.

Sealion 7Euro NCAP

euroncap.comofficialEurope / global

TestsFebruary 27, 2026

ADAC Autotest (27 februarie 2026): consum Ecotest 24,1 kWh/100 km inclusiv pierderi la încărcare, autonomie ADAC ≈430 km, putere de încărcare DC maximă 226 kW și medie 173,1 kW până la 80%; 4 din 5 stele Ecotest din cauza consumului ridicat.

Sealion 7 Excellence AWDIndependent tests (ADAC, Green NCAP, Autocritica)

adac.deofficialEurope / global

TestsJanuary 22, 2026

ADAC, test de iarnă 2026 (0°C, 111 km/h medie): autonomie 293 km față de 502 km WLTP (≈58%), consum 35,3 kWh/100 km față de 21,9 WLTP; în 20 min de încărcare a recuperat 161 km; climatizarea automată nu menținea temperatura țintă; cel mai mare consum din test.

Sealion 7 Excellence AWDIndependent tests (ADAC, Green NCAP, Autocritica)

adac.deofficialEurope / global

TestsDecember 2025

Green NCAP (decembrie 2025): BYD Sealion 7 4 stele, index general 8,4/10; consum măsurat: 19,9 kWh/100 km (WLTP lab), 21,6 (vreme caldă), 31,3 (autostradă), 25,3–29,5 (iarnă).

Sealion 7 Comfort RWDIndependent tests (ADAC, Green NCAP, Autocritica)

greenncap.comofficialEurope / global

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Frequently asked questions

Which is cheaper, the MGS9 PHEV or the BYD Sealion 7?

The MGS9 PHEV is cheaper, starting at €41,990 versus €48,800 for the BYD Sealion 7 — a difference of €6,810.

Which has more range, the MGS9 PHEV or the BYD Sealion 7?

The BYD Sealion 7 has more range: 482 km versus 100 km WLTP, 382 km more.

Which is more powerful, the MGS9 PHEV or the BYD Sealion 7?

The BYD Sealion 7 is more powerful: 313 hp versus 299 hp.

Which scores higher on the ChinaCars Score, the MGS9 PHEV or the BYD Sealion 7?

The MGS9 PHEV scores higher overall: 77/100 versus 67/100.

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