Suzuki DR 400 S vs Yamaha DT 400 MX (1981)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Suzuki DR 400 Sstacks up against the Yamaha DT 400 MX. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecSuzuki DR 400 SYamaha DT 400 MX
Model year19811979
Price
Engine396 cc397 cc
Horsepower27 hp21 hp
Fuel capacity2.4 L2.4 L
Fuel typepetrolpetrol
Transmission5-speed5-speed
Front brakesExpanding brakeExpanding brake
Rear brakesExpanding brakeExpanding brake
Tires3.00-21 / 4.60-18 3.00-21 / 4.00-18

Suzuki DR 400 S vs Yamaha DT 400 MX — which should you buy?

Picking between the Suzuki DR 400 S and the Yamaha DT 400 MX usually comes down to the numbers you care about most. On paper, the Suzuki DR 400 S brings 27 hp, while the Yamaha DT 400 MX counters with 21 hp.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: