Ɔfã-bere 4WD: Eyi yɛ anan-twɛre drive nhyehyɛe a draiver no betumi de ne nsa apaw abien{3}}twɛre drive ne anan-twɛre drive ntam. Ɔdrɔbani no sesa wɔ ntwahonan drive mmienu-twɛre drive ne anan-twɛre drive mode ntam denam transfer case no a ɔde ne ho bɛhyɛ mu anaasɛ ɔgyae mu, a egyina kwan no tebea so. Eyi ne drive mode a wɔtaa de di dwuma ma kar a ɛnyɛ kwan so anaasɛ SUV anan{10}}twɛre drive. Mfaso a ɛho hia sen biara ne sɛnea wotumi paw drive mode no sɛnea tebea horow ankasa te, na ɛma ɛyɛ nea ɛho nhia pii. Fa abien-twɛre drive di dwuma wɔ akwan a wɔabɔ so; paw four-wheel drive wɔ osu anaa sukyerɛmma mu na ama kar no twetwe ne ne di dwuma yiye.
Full-time 4WD: Saa drivetrain yi nhia sɛ draiver no hyɛ mu. Anim ne akyi ntwahonan no kura ntwahonan anan-ntwahonan drive mode mu bere nyinaa. Bere a wɔreka kar no, wɔde engine no ahoɔden a ɛba no si anim ne akyi ntwahonan no ntam 50:50, na ɛma torque no kyekyɛ yɛ pɛ. Full-time 4WD nhyehyɛe ahorow ma wotumi di ho dwuma yiye na wodi akyi, na ɛma wotumi ka kar yiye wɔ akwan a wɔabɔ so. Nanso, nea enye nso da adi: egye pɛtro pii na ɛho nhia pii. Bio nso, kar no nni afiri biara a ɛbɛhwɛ nsonsonoe a ɛda tae ahoɔhare so no so; sɛ tae biako fi fam a, ebia kar no bɛkyere na entumi nkɔ n’anim. Nanso, wɔayɛ all-wheel-drive nhyehyɛe ahorow bi a nyansa wom nso, te sɛ Audi quattro. Sɛ ɛhyia kwan so tebea soronko a, ɛbɛtumi asan akyekyɛ torque, akyekyɛ torque pii ama drive wheels a ɛnyɛ{16}}slipping, na ɛnam so adi all{17}}wheel-drive system dedaw no sintɔ ahorow ho dwuma.
On-demand drive systems ma kar kwan ma wɔde kɔmputa di dwuma de hwɛ na wɔpaw drive mode a ɛfata ma mprempren tebea no. Wɔ akwan a ɛyɛ daa so no, kar no taa de akyi-twɛre drive di dwuma. Nanso, sɛ wohyia kwan so tebea a enye anaasɛ kar no ntwahonan a ɛtwetwe a, kɔmputa no ankasa hu eyi na ntɛm ara na ɛkyekyɛ engine ahoɔden mu kɔ anim ntwahonan abien no mu, na sɛnea ɛte no, ɛdan kɔ ntwahonan anan-ntwahonan so. Eyi ma ɛho nhia sɛ ofirikafo no bu n’adwene na ɔde ne nsa yɛ adwuma, na ɛma ɛyɛ mmerɛw sɛ wɔde bedi dwuma. Nanso, sɛ wɔde toto onipa amemene ho a, kɔmputa yɛ n’ade brɛoo, na eyi nso brɛ nkate a ɛma wotumi di nneɛma so ne anigye a ɛwɔ karka mu no ase. Sɛ wuhyia kar ahorow pii wɔ gua so na wode ne bo toto ho a, mma wo werɛ mmfi sɛ wubesusuw w’ahiade ankasa ho yiye. Bere a woresusuw nneɛma bo ho no, sua kar no drive nhyehyɛe ne sɛnea ɛyɛ adwuma wɔ ɔkwan a ɛnyɛ kwan so no ho ade yiye; sɛ wopaw karka kwan a ɛfata a, ɛbɛma kar a woapaw no afata w’ahiade yiye.
