Data // The Numbers
THRIVE Data
Free, computed UK fleet running-cost numbers you can cite - updated every Tuesday from official OGL sources, with an open JSON & CSV API.
Weekly indices
- Fleet Cost Index2.68×Week commencing 26 October 2026
- Fleet Fuel Bill Index119.2↓ 0.1Week commencing 26 October 2026
- Charging Cost Gap2.14×Week commencing 26 October 2026
- Van Break-even8,566 mi↑ 5 miWeek commencing 26 October 2026
- UK fuel prices199.2p diesel↓ 0.11pWeek commencing 26 October 2026
- Market Sentiment Index59.6/100↑ 5.4September 2026
Reference rates
- Fleet Rate Cardv2026.09Issued 28 September 2026Next change: 1 December 2026
- Company car tax (electric)4%From 6 April 2026Next change: 6 April 2027 (5%)
- EV salary sacrifice42%Higher-rate saving, 2026/27
- HMRC mileage rates55pFirst 10,000 miles, 2026 to 2027
- AFR archive16pDiesel 1,601-2,000cc, from 1 September 2026Next change: 1 December 2026
- HGV MOT cost£112Checked 4 October 2026
- Operator licence cost£658Checked 28 August 2026
Calculators
Machine-readable catalogue: /api/v1 · Reuse terms: /data/terms