Car AFront layer · 100%
Malaysia-market comparison
BYD Atto 3 vs Proton e.MAS 7 Premium Size Comparison
BYD Atto 3 2025 and Proton e.MAS 7 Premium 2025, shown side by side at true scale with dimensions, boot capacity and seating.
Car BBack layer · 55%
View
Side profile
ABYD Atto 3 · Front
BProton e.MAS 7 Premium · Back
Proton e.MAS 7 Premium 2025 is 160 mm longer and 55 mm taller than BYD Atto 3 2025.
B − A · signed difference
Length Δ
+160mm
Width Δ
+26mm
Height Δ
+55mm
Wheelbase Δ
+30mm
Detailed comparison
Specification
Dimensions in mm · boot space in L · difference shown as B − A
Dimensions
Length
+160 mmCar A · BYD Atto 34,455mm
Car B · Proton e.MAS 7 Premium4,615mm
Width
+26 mmCar A · BYD Atto 31,875mm
Car B · Proton e.MAS 7 Premium1,901mm
Height
+55 mmCar A · BYD Atto 31,615mm
Car B · Proton e.MAS 7 Premium1,670mm
Wheelbase
+30 mmCar A · BYD Atto 32,720mm
Car B · Proton e.MAS 7 Premium2,750mm
Practicality
Boot capacity
+21 LCar A · BYD Atto 3440L
Car B · Proton e.MAS 7 Premium461L
Seats
0 seatsCar A · BYD Atto 35seats
Car B · Proton e.MAS 7 Premium5seats
MeasureA · BYDB · ProtonB − A
Dimensions
Length4,455mm4,615mm+160 mm
Width1,875mm1,901mm+26 mm
Height1,615mm1,670mm+55 mm
Wheelbase2,720mm2,750mm+30 mm
Practicality
Boot capacity440L461L+21 L
Seats5seats5seats0 seats
A · BYD Atto 3 2025 / B · Proton e.MAS 7 Premium 2025
Understanding this comparison
The e.MAS 7 asks for more driveway space
The e.MAS 7 is longer, wider and taller than the 2025 Atto 3 entry. The length increase is more noticeable than the width increase when looking at the raw measurements. For an owner changing from the Atto 3, the first check is therefore the front-to-rear space left in the usual bay, followed by access around the car.
A bigger exterior and a longer wheelbase are useful clues, but they do not establish how a rear-facing child seat or an adult passenger will fit. The recorded boot capacities are closer than the exterior difference may suggest. Compare the usable load floor and opening with the same bags. Charging performance, range and the cost of ownership are separate decisions; this page only interprets the space the cars occupy.
These notes interpret the recorded specifications; they are not a road test. Read our data and comparison method.
Manufacturer references
- BYD Malaysia ATTO 3 specifications (opens in a new tab)
The manufacturer page now includes newer variants. Match the generation and equipment to the 2025 catalogue entry.
- PROTON e.MAS 7 launch brochure (opens in a new tab)
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Dimensions and capacities are indicative and may vary by market, variant, equipment, seat position and measurement method. Verify final specifications with the manufacturer.