RideScout

Aventon Level 4 ADV vs Tern Vektron Q9

Two commuter e-bikes at $2,799–$2,999, every published spec lined up. Nothing here is estimated: a figure the manufacturer does not publish is shown as “—”.

vs

Where they differ

  • The Level 4 ADV makes 50 Nm more torque.
  • The Level 4 ADV carries 400 Wh more battery.
  • The Vektron Q9 is 12.7 lb lighter.
  • The Level 4 ADV costs $200 less.
  • The Level 4 ADV is hardtail (front only); the Vektron Q9 is rigid.

Every spec, side by side

Level 4 ADVVektron Q9
Headline
Price$2,799$2,999
CategoryCommuterCommuter
Price per Wh$3.50 per Wh$7.50 per Wh
Model year20262026
Motor
Torque100 Nm50 Nm
Peak power750 W—
DriveMid-driveMid-drive
Motor makeAventon Ultro SBosch Active Line Plus
Drive system—Bosch
SensorTorque—
Battery & range
Battery800 Wh400 Wh
Capacity20 Ah—
CellsSamsung 21700 58E—
Removable batteryYesYes
Range (claim)—70 mi
Range as stated—35-70 miles (400Wh)
Est. real range40 mi25 mi
Estimate assumes20 Wh per mile16 Wh per mile
Weight & capacity
Weight61 lb48.3 lb
Max load300 lb276 lb
Rack capacity—60 lb
Class & speed
Ships as—Class 1: pedal assist to 20 mph, no throttle
Unlocks to—Class 1
Class—Class 1
ThrottleNoNo
Top assisted speed—20 mph
Build
Gears10-speed9-speed
DrivetrainShimano Cues (11-39T)Shimano Alivio 1x9 (11-32T)
BrakesHydraulic discHydraulic disc
SuspensionHardtail (front only)Rigid
Fork travel100 mmRigid
Rear travelNoneNone
Front suspensionYesNo
Suspension seatpost50 mm—
Tires—20 in Schwalbe Big Apple (55-406), puncture protection, Reflex
Display—Bosch Purion
Frame6061 aluminium7005 aluminium
SizesR, LOne size
Step-through optionYes—
Included
LightsYesYes
FendersYesYes
RackYesYes
KickstandYesYes
SafetyUL 2849UL 2849
Safety certificationUL 2849: full systemUL 2849: full system
As the maker states itUL and TUV Safety Certified - UL 2849 / UL 2271Tern ebikes use e-bike systems that are certified to UL 2849
Warranty2 yr—
Warranty termsTwo-Year Limited Warranty on frames and framesets (brand policy)—

Specs transcribed from www.aventon.com on 09/20/2026 and www.ternbicycles.com on 09/30/2026. Manufacturers revise specs without notice: confirm before buying.

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