Which is faster, the Triumph Speed 400 or the Yamaha MT-03?

The Yamaha MT-03. It carries 0.25 hp per kilo (42 hp, 167 kg wet) against 0.24 hp per kilo for the Triumph Speed 400 (40 hp, 170 kg).

Is the Triumph Speed 400 cheaper than the Yamaha MT-03?

The Triumph Speed 400 is cheaper at €5,745 list, €1,154 less than the Yamaha MT-03 at €6,899.

Which is better for shorter riders?

The Yamaha MT-03. Its 780 mm seat is 10 mm lower than the Triumph Speed 400, and at 167 kg it is the easier bike to manage at a stop.

Which has better technology, the Speed 400 or the MT-03?

The Triumph Speed 400, which scores 3.3 of 10 tech points with traction control. The Yamaha MT-03 counters with phone connectivity.

Which goes further on a tank?

The Triumph Speed 400: 371 km from its 13 litre tank at the claimed consumption, against 368 km for the Yamaha MT-03.

Which bike wins overall?

The Triumph Speed 400, scoring 48.7 of 100 against 40.2 on our within-class points system. The full breakdown and formula are public on the methodology page.

Triumph Speed 400 vs Yamaha MT-03

Two naked bikes scored on the same 100-point system: specs side by side, points per category and a verdict that commits.

Triumph

Speed 400

48.7

/ 100

Winner

Yamaha

MT-03

40.2

/ 100

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0 to 100 km/h

Estimated from power to weight, not a measured time.

Triumph Speed 4000 km/h

Full specification comparison: Triumph Speed 400 versus Yamaha MT-03
Spec	TriumphSpeed 400	YamahaMT-03
Engine
Engine	Single cylinder, liquid cooled, DOHC	Parallel twin, liquid cooled, DOHC
Displacement	398.2 cc	321 cc
Power	40 hp at 8,000 rpm	42 hp at 10,750 rpm
Torque	37.5 Nm at 6,500 rpm	29.6 Nm at 9,000 rpm
Power to weight	0.24 hp/kg	0.25 hp/kg
Chassis
Wet weight	170 kg	167 kg
Front suspension	43 mm big piston fork, 140 mm	KYB 37 mm inverted, 130 mm
Front adjustability	Non-adjustable	Preload only
Rear suspension	Monoshock, 130 mm	KYB monoshock, 125 mm
Rear adjustability	Preload only	Preload only
Front brake	300 mm, radial 4-piston	298 mm, axial 2-piston
ABS	Standard ABS	Standard ABS
Dimensions
Seat height	790 mm	780 mm
Wheelbase	1377 mm	1380 mm
Fuel capacity	13 L	14 L
Claimed consumption	3.5 L/100 km	3.8 L/100 km
Fuel range	371 km	368 km
Ownership
Price	€5,745	€6,899
Service interval	16,000 km	10,000 km
Valve check	32,000 km	42,000 km
Warranty	2 years	2 years
Equipment
Dash	LCD	LCD
Ride modes	No	No
Traction control	Yes	No
Quickshifter	Not available	Not available
Cruise control	Not available	Not available
Connectivity	No	Yes

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Verdict

The Triumph Speed 400 wins this comparison clearly, 48.7 points to 40.2.

The gap of 8.5 points is built mostly in value, where the Speed 400 takes 13.4 points out of the MT-03. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.

On the road the MT-03 is the quicker machine: 42 hp and 29.6 Nm moving 167 kg, against 40 hp and 37.5 Nm moving 170 kg for the Speed 400. That is 0.25 hp per kilo playing 0.24.

The Speed 400 costs €5,745, which leaves €1,154 in your pocket against the MT-03 at €6,899. Service intervals run 16,000 km on the Speed 400 and 10,000 km on the MT-03.

Better for city and commuting

Triumph Speed 400

A 790 mm seat, 371 km of tank range and the stronger practicality and value scores make it the easier bike to live with daily.

Better for weekend twisties

Yamaha MT-03

42 hp pushing 167 kg with KYB 37 mm inverted up front. It takes the combined engine and handling points.

Better for longer trips

Triumph Speed 400

371 km between fuel stops and the better equipment score. Distance rewards range and rider aids, and it has more of both.

Frequently asked

Which is faster, the Triumph Speed 400 or the Yamaha MT-03?: The Yamaha MT-03. It carries 0.25 hp per kilo (42 hp, 167 kg wet) against 0.24 hp per kilo for the Triumph Speed 400 (40 hp, 170 kg).
Is the Triumph Speed 400 cheaper than the Yamaha MT-03?: The Triumph Speed 400 is cheaper at €5,745 list, €1,154 less than the Yamaha MT-03 at €6,899.
Which is better for shorter riders?: The Yamaha MT-03. Its 780 mm seat is 10 mm lower than the Triumph Speed 400, and at 167 kg it is the easier bike to manage at a stop.
Which has better technology, the Speed 400 or the MT-03?: The Triumph Speed 400, which scores 3.3 of 10 tech points with traction control. The Yamaha MT-03 counters with phone connectivity.
Which goes further on a tank?: The Triumph Speed 400: 371 km from its 13 litre tank at the claimed consumption, against 368 km for the Yamaha MT-03.
Which bike wins overall?: The Triumph Speed 400, scoring 48.7 of 100 against 40.2 on our within-class points system. The full breakdown and formula are public on the methodology page.

Dig into each bike

Triumph Speed 400 specs and score Yamaha MT-03 specs and score Speed 400 maintenance costs MT-03 maintenance costs All naked bikes

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