Let us start with vehicle rental, since it forms the foundation of any self-drive safari. The good news is that both Tanzania and Kenya start at the same base rate — a fully equipped 4x4 Land Cruiser costs $170 per day in both countries, with comprehensive insurance adding just $10 per day on top. That is a clean, predictable number that makes budgeting straightforward from day one. You can find the full expense breakdown for Tanzania in our detailed Tanzania safari cost guide, and the equivalent numbers for Kenya in our comprehensive Kenya travel cost guide.

Where the two countries start to diverge is in park fees — and this is where Tanzania becomes significantly more expensive for the self-drive traveller. The Serengeti charges $70 per adult per day plus $40 per vehicle, and if you want to descend into the Ngorongoro Crater, you are looking at an additional $295 vehicle fee on top of the $70 per person entrance. A 7-day Northern Circuit in Tanzania can accumulate $800 to $1,200 in park fees alone for two people. Kenya, by contrast, is somewhat more accessible — the Maasai Mara charges $80 per adult per day, Amboseli $60, and Tsavo parks $52 each, with no separate crater-style vehicle surcharges. A comparable 7-day Kenyan itinerary typically runs $420 per person in park fees, making it meaningfully cheaper for multi-park visits.

Accommodation costs are broadly similar across both countries when you choose the same tier. Public campsites in Tanzania run $20 to $40 per person per night, while Kenya sits at $30 to $50. Mid-range lodges in both countries average $150 to $300 per room, and luxury properties in either destination will comfortably reach $600 or more per night. Stocking groceries in Arusha or Nairobi before entering parks cuts daily food costs to $20 to $50 per person, compared to $20 to $35 per meal at lodge dining rooms.

When you add everything together for two people over seven days — vehicle, insurance, fuel, parks, camping, and food — a Tanzania self-drive safari runs approximately $2,000 to $3,500 total, while Kenya comes in slightly lower at around $1,800 to $3,100 for a comparable itinerary. Tanzania's higher park fees, especially Ngorongoro, push the total cost up, while Kenya's lower fees and slightly cheaper camping make it the more budget-friendly option for first-timers.

That said, cost should not be the only factor. Tanzania gives you the sheer scale of the Serengeti, the calving season at Ndutu, and the drama of Ngorongoro — experiences that many travellers call the greatest wildlife encounters of their lives. Kenya gives you faster access to the Maasai Mara, a well-developed self-drive infrastructure, and the convenience of flying into Nairobi, one of East Africa's best-connected international hubs.